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Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839686812

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839686812

Diamond specifications and retailer prices

From $688 SGD
$538 USD
As of November 1, 2026
Save $2,746 SGD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,599 SGD at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839686812 or 839686812. Listed at 9 retailers as of November 1, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686812
Dimensions14.67 × 7.70 × 4.82 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.67 mm7.70 mm3.10 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686812
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

Caratlytics Score

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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 1
Current: $3,599 SGD|Low: $915 SGD|High: $3,599 SGD|Avg: $2,065 SGD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$915 SGD
Retailer 3$940 SGD
Retailer 4$1,153 SGD
Retailer 9$1,243 SGD
Retailer 8$2,045 SGD
Retailer 5$2,632 SGD
Retailer 2$2,796 SGD
Retailer 6$3,434 SGD
Rare Carat$3,599 SGD

14 data points across 9 retailers

9 retailers$688 SGD to $3,434 SGD

A
Cheapest Retailer
-
$688 SGD
$538 USD
A
Retailer 2
-
$940 SGD
$735 USD
View
Retailer 3
-
$1,153 SGD
€859 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,898 SGD
$1,485 USD
View
B+
Retailer 5
-
$2,045 SGD
$1,600 USD
View
B+
Retailer 6
-
$2,632 SGD
$2,059 USD
View
B+
Retailer 7
-
$2,796 SGD
£1,722 GBP
View
B
Retailer 8
-
$3,434 SGD
$2,686 USD
View
Most Expensive
Rare Carat
839686812 · Sep 30
$3,599 SGD
$2,815 USD
View
Price last confirmed 33 days ago
8 more retailers have this diamond
Prices start from $688 SGDSave up to $2,746 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
3.10ct Marquise
$688 SGD