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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 HK$61,506 HKD
£6,173 GBP
As of November 1, 2026
Save HK$207,773 HKD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$269,280 HKD 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 HK$61,506 to HK$269,280, a HK$207,773 spread on the same certified stone. Michael Trio lists it at HK$269,280. 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: HK$269,280 HKD|Low: HK$41,970 HKD|High: HK$269,280 HKD|Avg: HK$100,260 HKD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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 2HK$61,506 HKD
Retailer 19HK$66,014 HKD
Retailer 12HK$68,658 HKD
Retailer 20HK$70,039 HKD
Retailer 11HK$73,930 HKD
Retailer 5HK$76,582 HKD
Retailer 16HK$76,613 HKD
Retailer 9HK$79,034 HKD
Retailer 21HK$85,181 HKD
Retailer 8HK$86,122 HKD
Retailer 18HK$88,617 HKD
Retailer 15HK$91,953 HKD
Retailer 3HK$93,529 HKD
Retailer 14HK$99,944 HKD
Retailer 17HK$118,545 HKD
Retailer 13HK$125,488 HKD
Retailer 6HK$140,077 HKD
Retailer 7HK$213,269 HKD
Retailer 10HK$244,425 HKD
Retailer 4HK$265,734 HKD
Michael TrioHK$269,280 HKD

34 data points across 21 retailers

22 retailersHK$61,506 HKD to HK$269,280 HKD

Retailer 1
-
HK$52,276 HKD
$6,663 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
HK$61,506 HKD
£6,173 GBP
View
B+
Retailer 3
-
HK$66,014 HKD
$8,414 USD
View
B+
Retailer 4
-
HK$68,658 HKD
$8,751 USD
View
B+
Retailer 5
-
HK$70,039 HKD
$8,927 USD
View
B+
Retailer 6
-
HK$73,930 HKD
$9,423 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$76,582 HKD
$9,761 USD
View
B+
Retailer 8
-
HK$76,613 HKD
$9,765 USD
View
B+
Retailer 9
-
HK$79,034 HKD
View
B+
Retailer 10
-
HK$85,181 HKD
$10,857 USD
View
B+
Retailer 11
-
HK$86,122 HKD
$10,977 USD
View
B+
Retailer 12
-
HK$88,617 HKD
$11,295 USD
View
B
Retailer 13
-
HK$91,953 HKD
£9,228 GBP
View
B+
Retailer 14
-
HK$93,529 HKD
$11,921 USD
View
Retailer 15
-
HK$99,944 HKD
A$19,598 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
HK$118,545 HKD
ZAR 244,097 ZAR
View
B
Retailer 17
-
HK$125,488 HKD
A$24,607 AUD
View
B
Retailer 18
-
HK$140,077 HKD
$17,854 USD
View
B
Retailer 19
-
HK$213,269 HKD
$27,183 USD
View
B
Retailer 20
-
HK$244,425 HKD
$31,154 USD
View
B
Retailer 21
-
HK$265,734 HKD
$33,870 USD
View
Most Expensive
B
Michael Trio
9502612660 · Oct 31
HK$269,280 HKD
SGD 46,381 SGD
View
21 more retailers have this diamond
Prices start from HK$61,506 HKDSave up to HK$207,773 HKD

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
HK$61,506 HKD