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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 €7,017 EUR
£6,173 GBP
As of November 1, 2026
Save €23,704 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €30,721 EUR 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 €7,017 to €30,721, a €23,704 spread on the same certified stone. Michael Trio lists it at €30,721. 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

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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: €30,721 EUR|Low: €4,788 EUR|High: €30,721 EUR|Avg: €11,438 EUR
Michael Trio
Retailer 2
Retailer 3
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Retailer 11
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 2€7,017 EUR
Retailer 19€7,531 EUR
Retailer 12€7,833 EUR
Retailer 20€7,990 EUR
Retailer 11€8,434 EUR
Retailer 5€8,737 EUR
Retailer 16€8,741 EUR
Retailer 9€9,017 EUR
Retailer 21€9,718 EUR
Retailer 8€9,825 EUR
Retailer 18€10,110 EUR
Retailer 15€10,491 EUR
Retailer 3€10,670 EUR
Retailer 14€11,402 EUR
Retailer 17€13,524 EUR
Retailer 13€14,317 EUR
Retailer 6€15,981 EUR
Retailer 7€24,331 EUR
Retailer 10€27,886 EUR
Retailer 4€30,317 EUR
Michael Trio€30,721 EUR

34 data points across 21 retailers

22 retailers€7,017 EUR to €30,721 EUR

Retailer 1
-
€5,964 EUR
$6,663 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
€7,017 EUR
£6,173 GBP
View
B+
Retailer 3
-
€7,531 EUR
$8,414 USD
View
B+
Retailer 4
-
€7,833 EUR
$8,751 USD
View
B+
Retailer 5
-
€7,990 EUR
$8,927 USD
View
B+
Retailer 6
-
€8,434 EUR
$9,423 USD
View
Final sale: no returns
B+
Retailer 7
-
€8,737 EUR
$9,761 USD
View
B+
Retailer 8
-
€8,741 EUR
$9,765 USD
View
B+
Retailer 9
-
€9,017 EUR
HK$78,700 HKD
View
B+
Retailer 10
-
€9,718 EUR
$10,857 USD
View
B+
Retailer 11
-
€9,825 EUR
$10,977 USD
View
B+
Retailer 12
-
€10,110 EUR
$11,295 USD
View
B
Retailer 13
-
€10,491 EUR
£9,228 GBP
View
B+
Retailer 14
-
€10,670 EUR
$11,921 USD
View
Retailer 15
-
€11,402 EUR
A$19,598 AUD
View
Price last confirmed 10 days ago
B
Retailer 16
-
€13,524 EUR
ZAR 244,097 ZAR
View
B
Retailer 17
-
€14,317 EUR
A$24,607 AUD
View
B
Retailer 18
-
€15,981 EUR
$17,854 USD
View
B
Retailer 19
-
€24,331 EUR
$27,183 USD
View
B
Retailer 20
-
€27,886 EUR
$31,154 USD
View
B
Retailer 21
-
€30,317 EUR
$33,870 USD
View
Most Expensive
B
Michael Trio
9502612660 · Oct 31
€30,721 EUR
SGD 46,381 SGD
View
21 more retailers have this diamond
Prices start from €7,017 EURSave up to €23,704 EUR

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
€7,017 EUR