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Cushion|Lab Grown|IGI

12.12ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG627480506

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627480506

Diamond specifications and retailer prices

From $3,079 USD
£2,424 GBP
As of November 1, 2026
Save $10,354 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,433 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.12ct lab-grown cushion diamond

This 12.12ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627480506 or 627480506. Listed at 15 retailers as of October 31, 2026, with prices from $3,079 to $13,433, a $10,354 spread on the same certified stone. Taylor and Hart lists it at $13,433. 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

12.12
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627480506
Dimensions16.00 × 11.59 × 7.89 mm
L/W Ratio1.38
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
16.00 mm11.59 mm12.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627480506
Side View
Table 59.0%Crown 36.9°Girdle: STK-VTKPavilion 34°Culet: NoneDepth 68.1%

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 1
Current: $3,079 USD|Low: $3,078 USD|High: $10,636 USD|Avg: $5,730 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 1$3,079 USD
Retailer 3$3,700 USD
Retailer 2$3,834 USD
Retailer 5$4,157 USD
Retailer 12$4,823 USD
Retailer 11$4,825 USD
Retailer 6$5,107 USD
Retailer 8$5,933 USD
Retailer 13$5,951 USD
Retailer 7$6,123 USD
Retailer 9$8,975 USD
Retailer 10$9,147 USD
Retailer 4$10,636 USD

43 data points across 13 retailers

15 retailers$3,079 USD to $13,433 USD

A
Cheapest Retailer
-
$3,079 USD
£2,424 GBP
A
Retailer 2
-
$3,700 USD
View
Final sale: no returns
Retailer 3
-
$3,834 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$4,157 USD
View
A
Retailer 5
-
$4,823 USD
View
A
Retailer 6
-
$4,825 USD
View
A
Retailer 7
-
$5,107 USD
£4,021 GBP
View
B+
Retailer 8
-
$5,852 USD
£4,608 GBP
View
B+
Retailer 9
-
$5,933 USD
ZAR 95,853 ZAR
View
B+
Retailer 10
-
$5,951 USD
View
B+
Retailer 11
-
$6,123 USD
€5,831 EUR
View
B
Retailer 12
-
$8,975 USD
View
B
Retailer 13
-
$9,147 USD
View
B
Retailer 14
-
$10,636 USD
View
Most Expensive
B
Taylor and Hart
LFBMQ5O · Oct 31
$13,433 USD
View
14 more retailers have this diamond
Prices start from $3,079 USDSave up to $10,354 USD

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
12.12ct Cushion
$3,079 USD