CaratHunter
Plans
Heart|Lab Grown|IGI

10.40ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG837605707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837605707

Diamond specifications and retailer prices

From HK$15,394 HKD
$1,962 USD
As of November 1, 2026
Save HK$55,378 HKD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$70,772 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.4ct lab-grown heart diamond

This 10.4ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837605707 or 837605707. Listed at 3 retailers as of November 1, 2026, with prices from HK$15,394 to HK$70,772, a HK$55,378 spread on the same certified stone. Brilliant Earth lists it at HK$70,772. 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

10.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837605707
Dimensions15.36 × 13.70 × 8.63 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.36 mm13.70 mm10.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837605707
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 56.2%

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$70,772 HKD|Low: HK$15,261 HKD|High: HK$72,969 HKD|Avg: HK$43,913 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3HK$15,394 HKD
Retailer 2HK$22,808 HKD
Brilliant EarthHK$70,772 HKD

36 data points across 3 retailers

3 retailersHK$15,394 HKD to HK$70,772 HKD

A
Cheapest Retailer
-
HK$15,394 HKD
$1,962 USD
Final sale: no returns
A
Retailer 2
-
HK$22,808 HKD
£2,289 GBP
View
Most Expensive
B
Brilliant Earth
21352505A · Nov 2
HK$70,772 HKD
$9,020 USD
View
2 more retailers have this diamond
Prices start from HK$15,394 HKDSave up to HK$55,378 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
10.40ct Heart
HK$15,394 HKD