CaratHunter
Plans
Heart|Lab Grown|IGI

18.12ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG776651106

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG776651106

Diamond specifications and retailer prices

From €6,464 EUR
$7,250 USD
As of November 3, 2026
Save €19,784 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €26,248 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 18.12ct lab-grown heart diamond

This 18.12ct 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 LG776651106 or 776651106. Listed at 12 retailers as of November 2, 2026, with prices from €6,464 to €26,248, a €19,784 spread on the same certified stone. Brilliant Earth lists it at €26,248. 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

18.12
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776651106
Dimensions17.42 × 16.16 × 9.52 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.42 mm16.16 mm18.12 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776651106
Side View
Table 58.0%Crown 35°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 54.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: €26,248 EUR|Low: €6,464 EUR|High: €27,059 EUR|Avg: €16,069 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7€6,464 EUR
Retailer 8€7,685 EUR
Retailer 2€8,027 EUR
Retailer 11€9,612 EUR
Retailer 9€9,971 EUR
Retailer 6€13,362 EUR
Retailer 5€16,641 EUR
Retailer 10€18,425 EUR
Retailer 4€22,410 EUR
Retailer 3€24,879 EUR
Brilliant Earth€26,248 EUR
Retailer 12€26,513 EUR

37 data points across 12 retailers

12 retailers€6,464 EUR to €26,248 EUR

A
Cheapest Retailer
-
€6,464 EUR
$7,250 USD
A
Retailer 2
-
€7,685 EUR
$8,619 USD
View
A
Retailer 3
-
€8,027 EUR
£7,089 GBP
View
B+
Retailer 4
-
€9,612 EUR
$10,781 USD
View
Final sale: no returns
B+
Retailer 5
-
€9,971 EUR
$11,184 USD
View
B+
Retailer 6
-
€13,362 EUR
A$23,056 AUD
View
B
Retailer 7
-
€15,603 EUR
View
B
Retailer 8
-
€16,641 EUR
View
B
Retailer 9
-
€18,425 EUR
$20,666 USD
View
B
Retailer 10
-
€22,410 EUR
$25,136 USD
View
Retailer 11
-
€24,879 EUR
$27,905 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
20464725A · Nov 2
€26,248 EUR
$29,440 USD
View
11 more retailers have this diamond
Prices start from €6,464 EURSave up to €19,784 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
18.12ct Heart
€6,464 EUR