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Heart|Lab Grown|IGI

12.01ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG671453956

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671453956

Diamond specifications and retailer prices

From €3,576 EUR
$4,011 USD
As of November 1, 2026
Save €9,883 EUR (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €17,395 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 12.01ct lab-grown heart diamond

This 12.01ct 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 LG671453956 or 671453956. Listed at 15 retailers as of October 31, 2026, with a 276% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

12.01
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671453956
Dimensions14.64 × 15.30 × 9.18 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm15.30 mm12.01 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671453956
Side View
Table 59.0%Crown 36.2°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 60.0%

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: €17,395 EUR|Low: €3,544 EUR|High: €17,395 EUR|Avg: €7,647 EUR
Brilliant Earth
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
November 2, 2026
Retailer 7€3,576 EUR
Retailer 13€3,950 EUR
Retailer 3€4,485 EUR
Retailer 2€4,984 EUR
Retailer 10€5,155 EUR
Retailer 5€5,553 EUR
Retailer 12€5,901 EUR
Retailer 8€5,909 EUR
Retailer 9€7,143 EUR
Retailer 11€7,997 EUR
Retailer 14€9,595 EUR
Retailer 6€11,995 EUR
Retailer 4€13,459 EUR
Brilliant Earth€17,395 EUR

43 data points across 14 retailers

15 retailers€3,576 EUR to €13,459 EUR

A
Cheapest Retailer
-
€3,576 EUR
$4,011 USD
A
Retailer 2
-
€3,950 EUR
$4,430 USD
View
A
Retailer 3
-
€4,485 EUR
HK$39,300 HKD
View
A
Retailer 4
-
€4,984 EUR
£4,402 GBP
View
A
Retailer 5
-
€5,155 EUR
$5,782 USD
View
A
Retailer 6
-
€5,553 EUR
View
B+
Retailer 7
-
€5,901 EUR
ZAR 106,921 ZAR
View
B+
Retailer 8
-
€5,909 EUR
$6,628 USD
View
B
Retailer 9
-
€7,143 EUR
A$12,325 AUD
View
B+
Retailer 10
-
€7,997 EUR
$8,969 USD
View
Retailer 11
-
€8,306 EUR
$9,316 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
€9,595 EUR
$10,762 USD
View
B
Retailer 13
-
€11,995 EUR
SGD 18,180 SGD
View
B
Retailer 14
-
€13,459 EUR
$15,096 USD
View
Most Expensive
Brilliant Earth
18017656A · Oct 26
€17,395 EUR
$19,510 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from €3,576 EURSave up to €9,883 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
12.01ct Heart
€3,576 EUR