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Cushion|Lab Grown|IGI

10.63ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG600309118

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG600309118

Diamond specifications and retailer prices

From HK$15,817 HKD
$2,016 USD
As of October 31, 2026
Save HK$56,520 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$72,337 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.63ct lab-grown cushion diamond

This 10.63ct lab-grown cushion 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 LG600309118 or 600309118. Listed at 16 retailers as of October 31, 2026, with prices from HK$15,817 to HK$72,337, a HK$56,520 spread on the same certified stone. Brilliant Earth lists it at HK$72,337. 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

10.63
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600309118
Dimensions12.49 × 12.22 × 7.66 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.49 mm12.22 mm10.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600309118
Side View
Table 59.0%Crown 39.5°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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$72,337 HKD|Low: HK$15,817 HKD|High: HK$74,613 HKD|Avg: HK$29,053 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
Retailer 13
November 1, 2026
Retailer 3HK$15,817 HKD
Retailer 12HK$16,390 HKD
Retailer 11HK$17,692 HKD
Retailer 13HK$20,799 HKD
Retailer 6HK$23,244 HKD
Retailer 9HK$23,317 HKD
Retailer 7HK$24,549 HKD
Retailer 10HK$25,020 HKD
Retailer 8HK$25,372 HKD
Retailer 2HK$30,364 HKD
Retailer 4HK$33,957 HKD
Retailer 5HK$40,365 HKD
Brilliant EarthHK$72,337 HKD

42 data points across 13 retailers

16 retailersHK$15,817 HKD to HK$72,337 HKD

A
Cheapest Retailer
-
HK$15,817 HKD
$2,016 USD
Final sale: no returns
Retailer 2
-
HK$16,390 HKD
$2,089 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
HK$17,692 HKD
$2,255 USD
View
A
Retailer 4
-
HK$20,799 HKD
$2,651 USD
View
A
Retailer 5
-
HK$23,244 HKD
£2,333 GBP
View
B+
Retailer 6
-
HK$23,317 HKD
$2,972 USD
View
A
Retailer 7
-
HK$24,549 HKD
€2,980 EUR
View
A
Retailer 8
-
HK$25,020 HKD
$3,189 USD
View
A
Retailer 9
-
HK$25,372 HKD
ZAR 52,243 ZAR
View
A
Retailer 10
-
HK$30,364 HKD
A$5,954 AUD
View
A
Retailer 11
-
HK$33,957 HKD
£3,408 GBP
View
B+
Retailer 12
-
HK$40,365 HKD
$5,145 USD
View
B+
Retailer 13
-
HK$47,144 HKD
$6,009 USD
View
B+
Retailer 14
-
HK$52,276 HKD
$6,663 USD
View
B
Retailer 15
-
HK$57,448 HKD
$7,322 USD
View
Most Expensive
B
Brilliant Earth
10792660A · Oct 31
HK$72,337 HKD
$9,220 USD
View
15 more retailers have this diamond
Prices start from HK$15,817 HKDSave up to HK$56,520 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
10.63ct Cushion
HK$15,817 HKD