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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 HK$56,884 HKD
$7,250 USD
As of November 3, 2026
Save HK$174,105 HKD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$230,989 HKD 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 HK$56,884 to HK$230,989, a HK$174,105 spread on the same certified stone. Brilliant Earth lists it at HK$230,989. 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: HK$230,989 HKD|Low: HK$56,884 HKD|High: HK$238,129 HKD|Avg: HK$141,408 HKD|-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 7HK$56,884 HKD
Retailer 8HK$67,626 HKD
Retailer 2HK$70,638 HKD
Retailer 11HK$84,589 HKD
Retailer 9HK$87,751 HKD
Retailer 6HK$117,585 HKD
Retailer 5HK$146,446 HKD
Retailer 10HK$162,148 HKD
Retailer 4HK$197,216 HKD
Retailer 3HK$218,944 HKD
Brilliant EarthHK$230,989 HKD
Retailer 12HK$233,323 HKD

37 data points across 12 retailers

12 retailersHK$56,884 HKD to HK$230,989 HKD

A
Cheapest Retailer
-
HK$56,884 HKD
$7,250 USD
A
Retailer 2
-
HK$67,626 HKD
$8,619 USD
View
A
Retailer 3
-
HK$70,638 HKD
£7,089 GBP
View
B+
Retailer 4
-
HK$84,589 HKD
$10,781 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$87,751 HKD
$11,184 USD
View
B+
Retailer 6
-
HK$117,585 HKD
A$23,056 AUD
View
B
Retailer 7
-
HK$137,309 HKD
€16,667 EUR
View
B
Retailer 8
-
HK$146,446 HKD
€17,776 EUR
View
B
Retailer 9
-
HK$162,148 HKD
$20,666 USD
View
B
Retailer 10
-
HK$197,216 HKD
$25,136 USD
View
B
Retailer 11
-
HK$218,944 HKD
$27,905 USD
View
Most Expensive
B
Brilliant Earth
20464725A · Nov 2
HK$230,989 HKD
$29,440 USD
View
11 more retailers have this diamond
Prices start from HK$56,884 HKDSave up to HK$174,105 HKD

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
HK$56,884 HKD