Home / Rings / Engagement-rings / Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring
1.50ct Ceylon Blue Sapphire GIA • IGI Certified
Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring High Definition View
White Gold / Sterling Silver View
Sold by: Trabert Goldsmiths

Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring

$2,750.00 $3,162.50 Save $412.50
Select Metal & Gold Purity: 92.5 Sterling Silver
92.5 Silver
$2,750.00
10K YG
$4,109.88
10K WG
$4,109.88
14K YG
$4,707.18
14K WG
$4,707.18
18K YG
$5,602.85
18K WG
$5,602.85
Select Finger Size: Find My Ring Size
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Brilliance, without compromise – same diamonds, different origin. D colour and VVS clarity reflect the high grading across the lab-grown collection. Part of the Goldsmiths Lab Grown Diamond Collection, shaped by scientific precision and established craftsmanship. Certified by the International Gemological Institute. Set in platinum, the solitaire style emphasises the graceful form of the marquise cut. Crafted Above Ground Goldsmiths’ Lab Grown Diamond Collection reimagines luxury through innovation. Born from a single natural diamond seed, each stone is created above ground to deliver identical brilliance and purity to its mined counterpart. Rated VVS for clarity and D for colour, these diamonds offer exceptional sparkle. With a legacy of craftsmanship and innovation, Goldsmiths continues to lead in ethical fine jewellery. Lab-grown diamonds represent a conscious choice—free from the cost and environmental impact of traditional mining, yet uncompromising in beauty. Marquise Silhouette This 1. 50ct marquise-cut lab-grown diamond brings an elongated, refined profile that carries light along its surface with subtle clarity. Its D colour and VVS clarity ensure the brightness and precision seen throughout the Goldsmiths laboratory-created range. Set in warm cool platinum, the solitaire design presents the stone with quiet confidence, allowing its shape and purity to remain the focal point. Fully IGI certified, it reflects Goldsmiths’ focus on craftsmanship, provenance, and understated refinement.

Product Name Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring
Item Code / SKU SKU-25040239060
Category Rings
Subcategory Engagement Rings
Availability In Stock • Available Online

Frequently Asked Questions: Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring

Find details regarding authenticity, materials, sizing, and care tailored to this piece.

Are the lab-grown diamonds in this Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring certified and authentic?
Yes. Lab-grown diamonds are 100% genuine diamonds with identical carbon crystal lattice, fire, and durability as earth-mined diamonds. Every piece is certified for authenticity, color, and clarity.
What precious metal options and customizations are available?
This piece is crafted in Solid Gold & Sterling Silver. We also offer bespoke crafting in 10K, 14K, 18K Solid Yellow Gold, White Gold, Rose Gold, or Platinum upon request. Every piece carries official hallmark stamps guaranteeing genuine metal purity.
Can this ring be ordered in my exact finger size, and is resizing available?
Yes. We offer standard US ring sizes from 4.5 through 10, as well as custom half and quarter sizes. We also provide complimentary 60-day ring resizing so your ring fits comfortably and securely.
How should I clean and maintain this Platinum 1.50cttw Marquise Cut Lab Grown Diamond Solitaire Engagement Ring to keep its brilliance?
Clean gently at home using warm water, mild soap, and a soft-bristled brush, then pat dry with a lint-free cloth. Avoid exposure to chlorine, bleach, household cleaners, and perfumes. Store your jewelry in the complimentary luxury presentation box when not being worn.
What shipping, warranty, and return guarantees are included?
Your order includes complimentary 100% fully insured express courier shipping with signature confirmation, discrete luxury gift packaging, a 30-day money-back satisfaction guarantee, and a lifetime warranty on metal casting and stone setting craftsmanship.
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