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Heart|Lab Grown|IGI

12.64ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG626417683

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG626417683

Diamond specifications and retailer prices

From €3,899 EUR
£3,443 GBP
As of November 2, 2026
Save €13,477 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €17,376 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.64ct lab-grown heart diamond

This 12.64ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626417683 or 626417683. Listed at 16 retailers as of October 31, 2026, with prices from €3,899 to €17,376, a €13,477 spread on the same certified stone. Taylor and Hart lists it at €17,376. 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

12.64
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626417683
Dimensions16.13 × 14.53 × 9.17 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
16.13 mm14.53 mm12.64 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626417683
Side View
Table 60.0%Crown 37.3°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 56.9%

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: Nov 2
Current: €3,899 EUR|Low: €3,898 EUR|High: €13,494 EUR|Avg: €6,571 EUR|-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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 1€3,899 EUR
Retailer 15€4,185 EUR
Retailer 14€4,386 EUR
Retailer 4€4,687 EUR
Retailer 16€4,832 EUR
Retailer 6€4,855 EUR
Retailer 11€4,855 EUR
Retailer 7€4,924 EUR
Retailer 2€5,656 EUR
Retailer 12€6,066 EUR
Retailer 3€7,506 EUR
Retailer 13€7,510 EUR
Retailer 10€7,515 EUR
Retailer 9€7,908 EUR
Retailer 8€11,662 EUR
Retailer 5€13,494 EUR

36 data points across 16 retailers

16 retailers€3,899 EUR to €17,376 EUR

A
Cheapest Retailer
-
€3,899 EUR
£3,443 GBP
A
Retailer 2
-
€4,185 EUR
$4,694 USD
View
A
Retailer 3
-
€4,386 EUR
$4,919 USD
View
A
Retailer 4
-
€4,687 EUR
$5,257 USD
View
Final sale: no returns
A
Retailer 5
-
€4,832 EUR
$5,420 USD
View
A
Retailer 6
-
€4,855 EUR
$5,445 USD
View
Retailer 7
-
€4,855 EUR
$5,445 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
€4,924 EUR
$5,523 USD
View
B+
Retailer 9
-
€5,656 EUR
$6,344 USD
View
B+
Retailer 10
-
€6,066 EUR
$6,804 USD
View
B
Retailer 11
-
€7,506 EUR
$8,419 USD
View
B+
Retailer 12
-
€7,510 EUR
$8,423 USD
View
B+
Retailer 13
-
€7,515 EUR
ZAR 136,162 ZAR
View
B
Retailer 14
-
€7,908 EUR
View
B
Retailer 15
-
€13,494 EUR
$15,135 USD
View
Most Expensive
B
Taylor and Hart
O2A74YH · Oct 31
€17,376 EUR
$19,489 USD
View
15 more retailers have this diamond
Prices start from €3,899 EURSave up to €13,477 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.

A
12.64ct Heart
€3,899 EUR