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Heart|Lab Grown|IGI

12.03ct F VS2 Heart Lab Grown Diamond

EX • F/VS2 • IGI LG679516450

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG679516450

Diamond specifications and retailer prices

From €4,801 EUR
£4,223 GBP
As of November 2, 2026
Save €16,198 EUR (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €20,999 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.03ct lab-grown heart diamond

This 12.03ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG679516450 or 679516450. Listed at 17 retailers as of October 31, 2026, with prices from €4,801 to €20,999, a €16,198 spread on the same certified stone. Taylor and Hart lists it at €20,999. 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

12.03
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG679516450
Dimensions13.90 × 15.66 × 9.58 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.90 mm15.66 mm12.03 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG679516450
Side View
Table 58.0%Crown 35.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.2%

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: €4,801 EUR|Low: €4,800 EUR|High: €16,630 EUR|Avg: €7,979 EUR|-0.9%
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
Retailer 17
November 2, 2026
Retailer 1€4,801 EUR
Retailer 15€5,154 EUR
Retailer 6€5,401 EUR
Retailer 5€5,772 EUR
Retailer 8€5,802 EUR
Retailer 7€5,978 EUR
Retailer 16€5,978 EUR
Retailer 3€5,979 EUR
Retailer 14€6,774 EUR
Retailer 4€7,096 EUR
Retailer 11€7,620 EUR
Retailer 12€9,080 EUR
Retailer 17€9,229 EUR
Retailer 9€9,494 EUR
Retailer 10€9,939 EUR
Retailer 13€11,300 EUR
Retailer 2€16,630 EUR

39 data points across 17 retailers

17 retailers€4,801 EUR to €20,999 EUR

A
Cheapest Retailer
-
€4,801 EUR
£4,223 GBP
Retailer 2
-
€5,154 EUR
$5,758 USD
View
Price last confirmed 11 days ago
Retailer 3
-
€5,401 EUR
$6,034 USD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
€5,772 EUR
$6,448 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,802 EUR
$6,482 USD
View
Retailer 6
-
€5,978 EUR
$6,679 USD
View
Price last confirmed 11 days ago
Retailer 7
-
€5,978 EUR
$6,679 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
€5,979 EUR
$6,680 USD
View
B+
Retailer 9
-
€6,774 EUR
$7,568 USD
View
Retailer 10
-
€7,096 EUR
$7,928 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
€7,620 EUR
£6,703 GBP
View
B
Retailer 12
-
€9,080 EUR
$10,144 USD
View
B
Retailer 13
-
€9,229 EUR
$10,311 USD
View
B
Retailer 14
-
€9,939 EUR
A$17,083 AUD
View
B
Retailer 15
-
€11,300 EUR
$12,624 USD
View
B
Retailer 16
-
€16,630 EUR
$18,579 USD
View
Most Expensive
B
Taylor and Hart
2RMUQU0 · Oct 31
€20,999 EUR
$23,461 USD
View
16 more retailers have this diamond
Prices start from €4,801 EURSave up to €16,198 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
12.03ct Heart
€4,801 EUR