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Round|Lab Grown|IGI

3.10ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG691590668

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691590668

Diamond specifications and retailer prices

From $538 SGD
As of November 5, 2026
Save $2,937 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,474 SGD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691590668 or 691590668. Listed at 15 retailers as of November 5, 2026, with prices from $538 to $3,474, a $2,937 spread on the same certified stone. Brilliant Earth lists it at $3,474. 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

3.10
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691590668
Dimensions9.40 × 9.36 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.36 mm3.10 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691590668
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

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 5
Current: $3,474 SGD|Low: $516 SGD|High: $4,969 SGD|Avg: $1,432 SGD|-30.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$538 SGD
Retailer 3$667 SGD
Retailer 9$667 SGD
Retailer 10$894 SGD
Retailer 6$1,063 SGD
Retailer 4$1,084 SGD
Retailer 11$1,151 SGD
Retailer 7$1,567 SGD
Retailer 5$1,871 SGD
Retailer 2$2,442 SGD
Brilliant Earth$3,474 SGD

44 data points across 11 retailers

15 retailers$538 SGD to $3,474 SGD

A
Cheapest Retailer
-
$538 SGD
A
Retailer 2
-
$603 SGD
View
Retailer 3
-
$667 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$667 SGD
View
B+
Retailer 5
-
$894 SGD
View
A
Retailer 6
-
$1,063 SGD
View
A
Retailer 7
-
$1,084 SGD
View
A
Retailer 8
-
$1,151 SGD
View
B+
Retailer 9
-
$1,441 SGD
View
B+
Retailer 10
-
$1,567 SGD
View
B+
Retailer 11
-
$1,620 SGD
View
B
Retailer 12
-
$1,871 SGD
View
B
Retailer 13
-
$2,143 SGD
View
B
Retailer 14
-
$2,442 SGD
View
Most Expensive
B
Brilliant Earth
13678752A · Nov 5
$3,474 SGD
$2,720 USD
View
14 more retailers have this diamond
Prices start from $538 SGDSave up to $2,937 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 Round
$538 SGD