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Round|Lab Grown|IGI

3.16ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG478113412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478113412

Diamond specifications and retailer prices

From $2,248 SGD
As of November 5, 2026
Save $14,553 SGD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,801 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 3.16ct lab-grown round diamond

This 3.16ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478113412 or 478113412. Listed at 11 retailers as of November 5, 2026, with prices from $2,248 to $16,801, a $14,553 spread on the same certified stone. MOH London lists it at $16,801. 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

3.16
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478113412
Dimensions9.40 × 9.37 × 5.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.40 mm9.37 mm3.16 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478113412
Side View
Table 60.5%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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 5
Current: $16,801 SGD|Low: $2,248 SGD|High: $17,072 SGD|Avg: $9,741 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$2,248 SGD
Retailer 4$7,136 SGD
Retailer 6$7,992 SGD
Retailer 7$8,283 SGD
Retailer 8$8,845 SGD
Retailer 3$10,195 SGD
Retailer 9$10,665 SGD
Retailer 5$12,783 SGD
MOH London$16,801 SGD

16 data points across 9 retailers

11 retailers$2,248 SGD to $16,801 SGD

A
Cheapest Retailer
-
$2,248 SGD
B+
Retailer 2
-
$7,136 SGD
View
B+
Retailer 3
-
$7,480 SGD
View
B+
Retailer 4
-
$7,992 SGD
View
Final sale: no returns
Retailer 5
-
$8,278 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$8,278 SGD
View
B+
Retailer 7
-
$8,283 SGD
View
B
Retailer 8
-
$9,828 SGD
View
B
Retailer 9
-
$10,195 SGD
View
B
Retailer 10
-
$12,783 SGD
View
Most Expensive
B
MOH London
LG478113412 · Nov 5
$16,801 SGD
£10,357 GBP
View
10 more retailers have this diamond
Prices start from $2,248 SGDSave up to $14,553 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
3.16ct Round
$2,248 SGD