Marquise|Lab Grown|IGI

1.03ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG831623712

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831623712

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 30, 2026
Save £694 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £822 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831623712 or 831623712. Listed at 16 retailers as of October 30, 2026, with prices from £128 to £822, a £694 spread on the same certified stone. Reve Diamonds lists it at £822. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831623712
Dimensions9.93 × 5.46 × 3.36 mm
L/W Ratio1.82
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.93 mm5.46 mm1.03 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831623712
Side View
Table 60.0%Crown 32.9°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £283 GBP|Low: £128 GBP|High: £822 GBP|Avg: £327 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Reve Diamonds
October 31, 2026
Retailer 13£128 GBP
Retailer 4£143 GBP
Retailer 10£148 GBP
Retailer 8£158 GBP
Retailer 12£158 GBP
Retailer 2£191 GBP
Retailer 5£215 GBP
Retailer 7£254 GBP
Retailer 1£283 GBP
Retailer 3£339 GBP
Retailer 14£418 GBP
Retailer 11£509 GBP
Retailer 15£537 GBP
Retailer 6£550 GBP
Retailer 9£741 GBP
Reve Diamonds£822 GBP

23 data points across 16 retailers

16 retailers£128 GBP to £822 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
A
Retailer 2
-
£143 GBP
$192 USD
View
Final sale: no returns
A
Retailer 3
-
£148 GBP
$198 USD
View
A
Retailer 4
-
£158 GBP
$212 USD
View
A
Retailer 5
-
£158 GBP
$212 USD
View
Retailer 6
-
£191 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
£215 GBP
$288 USD
View
A
Retailer 8
-
£254 GBP
$340 USD
View
A
Retailer 9
-
£283 GBP
View
B+
Retailer 10
-
£339 GBP
$454 USD
View
B+
Retailer 11
-
£418 GBP
$560 USD
View
B+
Retailer 12
-
£509 GBP
$682 USD
View
B
Retailer 13
-
£537 GBP
$720 USD
View
B
Retailer 14
-
£550 GBP
$737 USD
View
B
Retailer 15
-
£741 GBP
View
Most Expensive
B
Reve Diamonds
05F281DD4 · Oct 30
£822 GBP
$1,101 USD
View
15 more retailers have this diamond
Prices start from £128 GBPSave up to £694 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
1.03ct Marquise
£128 GBP