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Heart|Lab Grown|IGI

12.27ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG627422836

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627422836

Diamond specifications and retailer prices

From $4,263 USD
£3,357 GBP
As of October 30, 2026
Save $14,651 USD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,915 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 12.27ct lab-grown heart diamond

This 12.27ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627422836 or 627422836. Listed at 17 retailers as of October 30, 2026, with prices from $4,263 to $18,915, a $14,651 spread on the same certified stone. Taylor and Hart lists it at $18,915. 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

12.27
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627422836
Dimensions14.99 × 16.65 × 8.81 mm
L/W Ratio1.11
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
14.99 mm16.65 mm12.27 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627422836
Side View
Table 60.0%Crown 31.9°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 52.9%

Caratlytics Score

How it works →
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: Oct 30
Current: $8,609 USD|Low: $4,249 USD|High: $14,708 USD|Avg: $6,986 USD|+2.3%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 10$4,263 USD
Retailer 2$4,562 USD
Retailer 14$4,781 USD
Retailer 5$5,109 USD
Retailer 7$5,292 USD
Retailer 11$5,292 USD
Retailer 15$5,295 USD
Retailer 8$5,376 USD
Retailer 3$6,277 USD
Retailer 12$6,613 USD
Retailer 9$6,817 USD
Retailer 4$8,186 USD
Retailer 1$8,609 USD
Retailer 13$9,409 USD
Retailer 16$9,917 USD
Retailer 6$14,708 USD

36 data points across 16 retailers

17 retailers$4,263 USD to $18,915 USD

A
Cheapest Retailer
-
$4,263 USD
£3,357 GBP
A
Retailer 2
-
$4,562 USD
View
A
Retailer 3
-
$4,781 USD
View
A
Retailer 4
-
$5,109 USD
View
Final sale: no returns
A
Retailer 5
-
$5,292 USD
View
Retailer 6
-
$5,292 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$5,295 USD
View
A
Retailer 8
-
$5,376 USD
View
A
Retailer 9
-
$6,277 USD
View
B+
Retailer 10
-
$6,613 USD
View
B+
Retailer 11
-
$6,817 USD
£5,367 GBP
View
Retailer 12
-
$8,186 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$8,609 USD
€8,199 EUR
View
B+
Retailer 14
-
$9,409 USD
View
B+
Retailer 15
-
$9,917 USD
View
B
Retailer 16
-
$14,708 USD
View
Most Expensive
B
Taylor and Hart
W9WHQIR · Oct 30
$18,915 USD
View
16 more retailers have this diamond
Prices start from $4,263 USDSave up to $14,651 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
12.27ct Heart
$4,263 USD