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Round|Lab Grown|IGI

12.31ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG666406796

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666406796

Diamond specifications and retailer prices

From $10,022 SGD
£6,173 GBP
As of November 1, 2026
Save $33,855 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $43,877 SGD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 12.31ct lab-grown round diamond

This 12.31ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG666406796 or 666406796. Listed at 22 retailers as of October 31, 2026, with prices from $10,022 to $43,877, a $33,855 spread on the same certified stone. Michael Trio lists it at $43,877. 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

12.31
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666406796
Dimensions14.96 × 15.00 × 9.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.96 mm15.00 mm12.31 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666406796
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $43,877 SGD|Low: $6,839 SGD|High: $43,877 SGD|Avg: $16,337 SGD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 2$10,022 SGD
Retailer 19$10,756 SGD
Retailer 12$11,187 SGD
Retailer 20$11,412 SGD
Retailer 11$12,046 SGD
Retailer 5$12,478 SGD
Retailer 16$12,484 SGD
Retailer 9$12,878 SGD
Retailer 21$13,880 SGD
Retailer 8$14,033 SGD
Retailer 18$14,440 SGD
Retailer 15$14,983 SGD
Retailer 3$15,240 SGD
Retailer 14$16,285 SGD
Retailer 17$19,316 SGD
Retailer 13$20,447 SGD
Retailer 6$22,825 SGD
Retailer 7$34,751 SGD
Retailer 10$39,827 SGD
Retailer 4$43,299 SGD
Michael Trio$43,877 SGD

34 data points across 21 retailers

22 retailers$10,022 SGD to $43,877 SGD

Retailer 1
-
$8,518 SGD
$6,663 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
$10,022 SGD
£6,173 GBP
View
B+
Retailer 3
-
$10,756 SGD
$8,414 USD
View
B+
Retailer 4
-
$11,187 SGD
$8,751 USD
View
B+
Retailer 5
-
$11,412 SGD
$8,927 USD
View
B+
Retailer 6
-
$12,046 SGD
$9,423 USD
View
Final sale: no returns
B+
Retailer 7
-
$12,478 SGD
$9,761 USD
View
B+
Retailer 8
-
$12,484 SGD
$9,765 USD
View
B+
Retailer 9
-
$12,878 SGD
HK$78,700 HKD
View
B+
Retailer 10
-
$13,880 SGD
$10,857 USD
View
B+
Retailer 11
-
$14,033 SGD
$10,977 USD
View
B+
Retailer 12
-
$14,440 SGD
$11,295 USD
View
B
Retailer 13
-
$14,983 SGD
£9,228 GBP
View
B+
Retailer 14
-
$15,240 SGD
$11,921 USD
View
Retailer 15
-
$16,285 SGD
A$19,598 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$19,316 SGD
ZAR 244,097 ZAR
View
B
Retailer 17
-
$20,447 SGD
A$24,607 AUD
View
B
Retailer 18
-
$22,825 SGD
$17,854 USD
View
B
Retailer 19
-
$34,751 SGD
$27,183 USD
View
B
Retailer 20
-
$39,827 SGD
$31,154 USD
View
B
Retailer 21
-
$43,299 SGD
$33,870 USD
View
Most Expensive
B
Michael Trio
9502612660 · Oct 31
$43,877 SGD
View
21 more retailers have this diamond
Prices start from $10,022 SGDSave up to $33,855 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.

B+
12.31ct Round
$10,022 SGD