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Heart|Lab Grown|IGI

6.54ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG818626555

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818626555

Diamond specifications and retailer prices

From HK$12,151 HKD
As of November 1, 2026
Save HK$38,532 HKD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$50,683 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 6.54ct lab-grown heart diamond

This 6.54ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818626555 or 818626555. Listed at 9 retailers as of November 1, 2026, with prices from HK$12,151 to HK$50,683, a HK$38,532 spread on the same certified stone. With Clarity lists it at HK$50,683. 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

6.54
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818626555
Dimensions11.74 × 12.84 × 7.59 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm12.84 mm6.54 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818626555
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.1%

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 1
Current: HK$14,796 HKD|Low: HK$12,151 HKD|High: HK$53,155 HKD|Avg: HK$28,935 HKD|-7.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 5HK$12,151 HKD
Retailer 1HK$14,796 HKD
Retailer 6HK$16,366 HKD
Retailer 3HK$16,509 HKD
Retailer 7HK$24,424 HKD
Retailer 2HK$33,061 HKD
Retailer 8HK$36,005 HKD
Retailer 4HK$41,456 HKD
With ClarityHK$50,683 HKD

42 data points across 9 retailers

9 retailersHK$12,151 HKD to HK$50,683 HKD

A
Cheapest Retailer
-
HK$12,151 HKD
A
Retailer 2
-
HK$14,796 HKD
£1,485 GBP
View
A
Retailer 3
-
HK$16,366 HKD
$2,086 USD
View
A
Retailer 4
-
HK$16,509 HKD
€2,004 EUR
View
B+
Retailer 5
-
HK$24,424 HKD
$3,113 USD
View
B+
Retailer 6
-
HK$33,061 HKD
£3,318 GBP
View
B
Retailer 7
-
HK$36,005 HKD
$4,589 USD
View
B
Retailer 8
-
HK$41,456 HKD
A$8,129 AUD
View
Most Expensive
B
With Clarity
818626555 · Nov 2
HK$50,683 HKD
$6,460 USD
View
8 more retailers have this diamond
Prices start from HK$12,151 HKDSave up to HK$38,532 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
6.54ct Heart
HK$12,151 HKD