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Round|Lab Grown|IGI

10.51ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG665415925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665415925

Diamond specifications and retailer prices

From HK$16,554 HKD
$2,110 USD
As of October 31, 2026
Save HK$141,223 HKD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$157,777 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.51ct lab-grown round diamond

This 10.51ct lab-grown round 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 LG665415925 or 665415925. Listed at 13 retailers as of October 31, 2026, with prices from HK$16,554 to HK$157,777, a HK$141,223 spread on the same certified stone. Brilliant Earth lists it at HK$157,777. 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

10.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415925
Dimensions13.91 × 13.98 × 8.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.91 mm13.98 mm10.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415925
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$157,777 HKD|Low: HK$16,554 HKD|High: HK$162,641 HKD|Avg: HK$45,870 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 1, 2026
Retailer 11HK$16,554 HKD
Retailer 6HK$18,477 HKD
Retailer 5HK$23,286 HKD
Retailer 7HK$26,540 HKD
Retailer 12HK$26,864 HKD
Retailer 9HK$28,150 HKD
Retailer 8HK$30,027 HKD
Retailer 2HK$31,766 HKD
Retailer 3HK$46,195 HKD
Retailer 10HK$54,661 HKD
Retailer 4HK$60,051 HKD
Brilliant EarthHK$157,777 HKD

43 data points across 12 retailers

13 retailersHK$16,554 HKD to HK$157,777 HKD

A
Cheapest Retailer
-
HK$16,554 HKD
$2,110 USD
Final sale: no returns
A
Retailer 2
-
HK$18,477 HKD
$2,355 USD
View
A
Retailer 3
-
HK$23,286 HKD
£2,337 GBP
View
A
Retailer 4
-
HK$26,540 HKD
ZAR 54,649 ZAR
View
A
Retailer 5
-
HK$26,864 HKD
$3,424 USD
View
A
Retailer 6
-
HK$28,150 HKD
$3,588 USD
View
A
Retailer 7
-
HK$30,027 HKD
€3,645 EUR
View
A
Retailer 8
-
HK$31,766 HKD
A$6,229 AUD
View
B+
Retailer 9
-
HK$46,195 HKD
$5,888 USD
View
Retailer 10
-
HK$49,865 HKD
$6,356 USD
View
Price last confirmed 112 days ago
B+
Retailer 11
-
HK$54,661 HKD
$6,967 USD
View
B+
Retailer 12
-
HK$60,051 HKD
$7,654 USD
View
Most Expensive
B
Brilliant Earth
21027698A · Oct 31
HK$157,777 HKD
$20,110 USD
View
12 more retailers have this diamond
Prices start from HK$16,554 HKDSave up to HK$141,223 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
10.51ct Round
HK$16,554 HKD