Marquise|Lab Grown|IGI

1.27ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG837603777

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837603777

Diamond specifications and retailer prices

From £230 GBP
As of November 1, 2026
Save £484 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £713 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837603777 or 837603777. Listed at 9 retailers as of October 30, 2026, with prices from £230 to £713, a £484 spread on the same certified stone. Brilliant Earth lists it at £713. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837603777
Dimensions11.73 × 5.57 × 3.53 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm5.57 mm1.27 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837603777
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £713 GBP|Low: £230 GBP|High: £713 GBP|Avg: £404 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£230 GBP
Retailer 9£260 GBP
Retailer 5£291 GBP
Retailer 4£341 GBP
Retailer 10£354 GBP
Retailer 2£357 GBP
Retailer 8£440 GBP
Retailer 3£606 GBP
Retailer 7£687 GBP
Brilliant Earth£713 GBP

11 data points across 10 retailers

9 retailers£230 GBP to £713 GBP

A
Cheapest Retailer
-
£230 GBP
B+
Retailer 2
-
£260 GBP
View
A
Retailer 3
-
£291 GBP
View
Retailer 4
-
£322 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£341 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£440 GBP
View
Price last confirmed 13 days ago
Retailer 7
-
£606 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£687 GBP
View
Most Expensive
B
Brilliant Earth
22297735A · Oct 30
£713 GBP
$960 USD
View
8 more retailers have this diamond
Prices start from £230 GBPSave up to £484 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.27ct Marquise
£230 GBP