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Heart|Lab Grown|IGI

12.13ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG628489578

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628489578

Diamond specifications and retailer prices

From €3,889 EUR
£3,435 GBP
As of November 2, 2026
Save €13,442 EUR (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €17,331 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.13ct lab-grown heart diamond

This 12.13ct lab-grown heart 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 LG628489578 or 628489578. Listed at 20 retailers as of October 31, 2026, with prices from €3,889 to €17,331, a €13,442 spread on the same certified stone. Taylor and Hart lists it at €17,331. 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

12.13
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628489578
Dimensions13.66 × 16.11 × 9.45 mm
L/W Ratio1.18
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
13.66 mm16.11 mm12.13 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628489578
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.7%

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 2
Current: €3,889 EUR|Low: €3,888 EUR|High: €13,460 EUR|Avg: €7,129 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€3,889 EUR
Retailer 15€4,175 EUR
Retailer 5€4,675 EUR
Retailer 4€4,843 EUR
Retailer 16€4,843 EUR
Retailer 12€4,846 EUR
Retailer 8€4,896 EUR
Retailer 3€6,051 EUR
Retailer 14€6,185 EUR
Retailer 9€6,297 EUR
Retailer 2€7,488 EUR
Retailer 13€7,496 EUR
Retailer 11€9,084 EUR
Retailer 10€9,174 EUR
Retailer 7€13,348 EUR
Retailer 6€13,460 EUR

40 data points across 16 retailers

20 retailers€3,889 EUR to €17,331 EUR

A
Cheapest Retailer
-
€3,889 EUR
£3,435 GBP
A
Retailer 2
-
€4,175 EUR
$4,683 USD
View
A
Retailer 3
-
€4,375 EUR
$4,907 USD
View
A
Retailer 4
-
€4,611 EUR
HK$40,400 HKD
View
A
Retailer 5
-
€4,675 EUR
$5,244 USD
View
Final sale: no returns
A
Retailer 6
-
€4,843 EUR
$5,432 USD
View
Retailer 7
-
€4,843 EUR
$5,432 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
€4,846 EUR
$5,435 USD
View
A
Retailer 9
-
€4,896 EUR
$5,491 USD
View
B+
Retailer 10
-
€6,051 EUR
$6,787 USD
View
B+
Retailer 11
-
€6,185 EUR
$6,937 USD
View
B+
Retailer 12
-
€6,297 EUR
£5,561 GBP
View
B+
Retailer 13
-
€7,488 EUR
$8,399 USD
View
B+
Retailer 14
-
€7,496 EUR
ZAR 135,824 ZAR
View
B
Retailer 15
-
€8,442 EUR
$9,469 USD
View
B
Retailer 16
-
€9,084 EUR
$10,189 USD
View
B
Retailer 17
-
€9,174 EUR
A$15,830 AUD
View
B
Retailer 18
-
€13,348 EUR
SGD 20,231 SGD
View
B
Retailer 19
-
€13,460 EUR
$15,097 USD
View
Most Expensive
B
Taylor and Hart
7TQ4J77 · Oct 31
€17,331 EUR
$19,438 USD
View
19 more retailers have this diamond
Prices start from €3,889 EURSave up to €13,442 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
12.13ct Heart
€3,889 EUR