5 Carat Diamond Engagement Ring in 18K Gold & Platinum - Raphana Jewellery

5 Carat Diamond Engagement Ring in 18K Gold & Platinum

$249,900.00

Metal

18K White Gold

18K Yellow Gold

Platinum

18K Rose Gold

Gemstone Type

Natural Diamond

Size chart

Ring Size Chart

Find below a conversion chart for ring sizes. Please note, this should only act as a guide and sizing will differ depending on the brand and style.

MM	12.45	12.85	13.26	13.67	14.07	14.48	14.88	15.29	15.49	15.9
US	1	1½	2	2½	3	3½	4	4½	4¾	5¼
NZ/UK‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎ ‎	B	C	D	E	F	G	H	I	J	K

MM	16.31	16.71	17.12	17.53	17.93	18.34	18.75	19.15	19.56
US	5¾	6¼	6¾	7¼	7¾	8¼	8¾	9¼	9¾
NZ/UK‎ ‎ ‎ ‎ ‎	L	M	N	O	P	Q	R	S	T

MM	19.96	20.37	20.78	21.18	21.59	21.79	22.4	22.81	23.01	23.42
US	10¼	10¾	11¼	11¾	12¼	12½	13¼	13¾	14	14½
NZ/UK ‎ ‎ ‎ ‎ ‎	U	V	W	X	Y	Z	Z+1	Z+2	Z+3	Z+4

Free Resizing

Lifetime Warranty

Free Ring Customisation*

Free Insured Shipping on all orders

5 Carat Diamond Engagement Ring in 18K Gold or Platinum

Elevate your proposal with this breathtaking 5 carat diamond engagement ring, crafted in your choice of 18K gold or platinum. Each stone is available as a GIA-certified natural diamond delivering unparalleled brilliance at every angle.

Setting Features:

Center Diamond: 0.70 ct natural earth mined oval diamond
Colour: F
Clarity: SI1
Make: Excellent
Certification: GIA
Metal Options: 18K Solid Gold or Platinum
Setting: Four-prong on a sleek comfort-fit band
Finish: High-polish for maximum brilliance

Crafted entirely by hand, this ring harmonises timeless elegance with modern ethics—perfect for the couple who values both luxury and responsibility.

Order this piece online today! Crafted with care, it takes 6 weeks to create. Need it sooner or want a personal touch? Contact us—we’re happy to make it perfect for you!

[{"id":44724391411891,"title":"18K White Gold \/ Natural Diamond","option1":"18K White Gold","option2":"Natural Diamond","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":38040451645619,"product_id":8263267975347,"position":9,"created_at":"2025-05-28T12:31:43+12:00","updated_at":"2025-05-30T00:04:05+12:00","alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","width":1200,"height":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245","variant_ids":[44724391411891,44724391477427]},"available":true,"name":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - 18K White Gold \/ Natural Diamond","public_title":"18K White Gold \/ Natural Diamond","options":["18K White Gold","Natural Diamond"],"price":24990000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","featured_media":{"alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","id":29764364992691,"position":10,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":44724391444659,"title":"18K Yellow Gold \/ Natural Diamond","option1":"18K Yellow Gold","option2":"Natural Diamond","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":38040451481779,"product_id":8263267975347,"position":5,"created_at":"2025-05-28T12:31:43+12:00","updated_at":"2025-05-30T00:04:05+12:00","alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","width":1200,"height":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-974513.webp?v=1748520245","variant_ids":[44724391444659]},"available":true,"name":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - 18K Yellow Gold \/ Natural Diamond","public_title":"18K Yellow Gold \/ Natural Diamond","options":["18K Yellow Gold","Natural Diamond"],"price":24990000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","featured_media":{"alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","id":29764364894387,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-974513.webp?v=1748520245"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":44724391477427,"title":"Platinum \/ Natural Diamond","option1":"Platinum","option2":"Natural Diamond","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":38040451645619,"product_id":8263267975347,"position":9,"created_at":"2025-05-28T12:31:43+12:00","updated_at":"2025-05-30T00:04:05+12:00","alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","width":1200,"height":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245","variant_ids":[44724391411891,44724391477427]},"available":true,"name":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Platinum \/ Natural Diamond","public_title":"Platinum \/ Natural Diamond","options":["Platinum","Natural Diamond"],"price":24990000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","featured_media":{"alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","id":29764364992691,"position":10,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":44724391510195,"title":"18K Rose Gold \/ Natural Diamond","option1":"18K Rose Gold","option2":"Natural Diamond","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":38040478318771,"product_id":8263267975347,"position":7,"created_at":"2025-05-28T12:33:29+12:00","updated_at":"2025-05-30T00:04:05+12:00","alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","width":1200,"height":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-336748.webp?v=1748520245","variant_ids":[44724391510195]},"available":true,"name":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - 18K Rose Gold \/ Natural Diamond","public_title":"18K Rose Gold \/ Natural Diamond","options":["18K Rose Gold","Natural Diamond"],"price":24990000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","featured_media":{"alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","id":29764378951859,"position":8,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-336748.webp?v=1748520245"}},"requires_selling_plan":false,"selling_plan_allocations":[]}]

{"id":44724391411891,"title":"18K White Gold \/ Natural Diamond","option1":"18K White Gold","option2":"Natural Diamond","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":{"id":38040451645619,"product_id":8263267975347,"position":9,"created_at":"2025-05-28T12:31:43+12:00","updated_at":"2025-05-30T00:04:05+12:00","alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","width":1200,"height":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245","variant_ids":[44724391411891,44724391477427]},"available":true,"name":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - 18K White Gold \/ Natural Diamond","public_title":"18K White Gold \/ Natural Diamond","options":["18K White Gold","Natural Diamond"],"price":24990000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","featured_media":{"alt":"5 Carat Diamond Engagement Ring in 18K Gold \u0026 Platinum - Raphana Jewellery","id":29764364992691,"position":10,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.raphanajewellery.co.nz\/cdn\/shop\/files\/5-carat-diamond-engagement-ring-in-18k-gold-platinum-820904.webp?v=1748520245"}},"requires_selling_plan":false,"selling_plan_allocations":[]}

Eyes for details

Premium Collection

Elevate Your Style with Exquisite Fine Luxury Premium Jewellery

Discover Now

5 Carat Diamond Engagement Ring in 18K Gold & Platinum

Ring Size Chart

5 Carat Diamond Engagement Ring in 18K Gold or Platinum

Setting Features:

You may also like

Recently viewed