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Marquise|Lab Grown|IGI

2.99ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG757531851

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG757531851

Diamond specifications and retailer prices

From $876 SGD
As of November 6, 2026
Save $1,247 SGD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,123 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG757531851 or 757531851. Listed at 4 retailers as of November 5, 2026, with prices from $876 to $2,123, a $1,247 spread on the same certified stone. MOH London lists it at $2,123. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.99
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757531851
Dimensions13.82 × 7.52 × 4.86 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.82 mm7.52 mm2.99 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757531851
Side View
Table 64.0%Crown 37°Girdle: STK-VTKPavilion 41.5°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,123 SGD|Low: $837 SGD|High: $2,327 SGD|Avg: $1,464 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$837 SGD
Retailer 3$876 SGD
Retailer 2$968 SGD
Retailer 4$1,008 SGD
Retailer 5$1,657 SGD
MOH London$2,123 SGD
Retailer 7$2,139 SGD
Retailer 6$2,327 SGD

3 data points across 8 retailers

4 retailers$876 SGD to $2,123 SGD

B+
Cheapest Retailer
-
$876 SGD
A
Retailer 2
-
$968 SGD
View
B+
Retailer 3
-
$1,657 SGD
View
Most Expensive
B
MOH London
LG757531851 · Nov 5
$2,123 SGD
£1,309 GBP
View
3 more retailers have this diamond
Prices start from $876 SGDSave up to $1,247 SGD

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
2.99ct Marquise
$876 SGD