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Heart|Lab Grown|IGI

3.51ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG678573994

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678573994

Diamond specifications and retailer prices

From HK$6,998 HKD
$892 USD
As of October 30, 2026
Save HK$26,346 HKD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$33,344 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678573994 or 678573994. Listed at 5 retailers as of October 30, 2026, with prices from HK$6,998 to HK$33,344, a HK$26,346 spread on the same certified stone. Brilliant Earth lists it at HK$33,344. 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

3.51
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573994
Dimensions10.18 × 10.18 × 9.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.18 mm3.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573994
Side View
Table 54.0%Crown 37.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.6%

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: Oct 30
Current: HK$33,344 HKD|Low: HK$5,727 HKD|High: HK$48,094 HKD|Avg: HK$14,558 HKD|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 9HK$5,727 HKD
Retailer 10HK$6,885 HKD
Retailer 13HK$6,998 HKD
Retailer 5HK$7,801 HKD
Retailer 2HK$8,551 HKD
Retailer 11HK$8,599 HKD
Retailer 4HK$8,685 HKD
Retailer 7HK$11,770 HKD
Retailer 14HK$12,420 HKD
Retailer 8HK$13,086 HKD
Retailer 3HK$15,186 HKD
Retailer 6HK$18,767 HKD
Brilliant EarthHK$33,344 HKD
Retailer 12HK$37,895 HKD

18 data points across 14 retailers

5 retailersHK$6,998 HKD to HK$33,344 HKD

B+
Cheapest Retailer
-
HK$6,998 HKD
$892 USD
A
Retailer 2
-
HK$8,551 HKD
€1,038 EUR
View
A
Retailer 3
-
HK$11,770 HKD
A$2,308 AUD
View
B+
Retailer 4
-
HK$13,086 HKD
$1,668 USD
View
Most Expensive
B
Brilliant Earth
20509676A · Oct 30
HK$33,344 HKD
$4,250 USD
View
4 more retailers have this diamond
Prices start from HK$6,998 HKDSave up to HK$26,346 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
3.51ct Heart
HK$6,998 HKD