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Marquise|Lab Grown|IGI

1.29ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG777627476

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG777627476

Diamond specifications and retailer prices

From £597 GBP
As of November 5, 2026
Save £193 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £790 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

About this 1.29ct lab-grown marquise diamond

This 1.29ct 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 LG777627476 or 777627476. Listed at 3 retailers as of November 5, 2026, with prices from £597 to £790, a £193 spread on the same certified stone. The Diamond Guys lists it at £790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777627476
Dimensions11.16 × 5.87 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
11.16 mm5.87 mm1.29 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777627476
Side View
Table 62.0%Crown 34.4°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £597 GBP|Low: £123 GBP|High: £70,043 GBP|Avg: £3,404 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
August 3, 2026
Retailer 2£347 GBP
Retailer 6£394 GBP
Retailer 3£417 GBP
Retailer 7£424 GBP
Retailer 9£431 GBP
Retailer 10£553 GBP
Retailer 4£594 GBP
Retailer 1£597 GBP
Retailer 5£750 GBP
Retailer 8£786 GBP
The Diamond Guys£790 GBP

52 data points across 11 retailers

3 retailers£597 GBP to £790 GBP

Retailer 1
-
£594 GBP
Price last confirmed 148 days ago
B+
Retailer 2
-
£597 GBP
View
Most Expensive
B
The Diamond Guys
1955241473 · Nov 5
£790 GBP
$1,063 USD
View
2 more retailers have this diamond
Prices start from £597 GBPSave up to £193 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.

B+
1.29ct Marquise
£597 GBP