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Cushion|Lab Grown|IGI

10.05ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG821678431

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821678431

Diamond specifications and retailer prices

From HK$46,290 HKD
$5,900 USD
As of November 1, 2026
Save HK$98,753 HKD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$145,043 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 10.05ct lab-grown cushion diamond

This 10.05ct 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 LG821678431 or 821678431. Listed at 11 retailers as of October 31, 2026, with prices from HK$46,290 to HK$145,043, a HK$98,753 spread on the same certified stone. Taylor and Hart lists it at HK$145,043. 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

10.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821678431
Dimensions16.53 × 10.40 × 6.15 mm
L/W Ratio1.59
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.53 mm10.40 mm10.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821678431
Side View
Table 62.0%Crown 35.1°Girdle: STK-THKPavilion 33.7°Culet: LargeDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$76,429 HKD|Low: HK$40,758 HKD|High: HK$145,043 HKD|Avg: HK$74,026 HKD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 5HK$46,290 HKD
Retailer 3HK$52,455 HKD
Retailer 2HK$54,316 HKD
Retailer 6HK$54,331 HKD
Retailer 10HK$56,915 HKD
Retailer 8HK$62,554 HKD
Retailer 4HK$62,587 HKD
Retailer 7HK$75,687 HKD
Retailer 1HK$76,429 HKD
Retailer 9HK$125,766 HKD
Taylor and HartHK$145,043 HKD

37 data points across 11 retailers

11 retailersHK$46,290 HKD to HK$145,043 HKD

B+
Cheapest Retailer
-
HK$46,290 HKD
$5,900 USD
B+
Retailer 2
-
HK$52,455 HKD
£5,264 GBP
View
B+
Retailer 3
-
HK$54,316 HKD
$6,923 USD
View
B+
Retailer 4
-
HK$54,331 HKD
$6,925 USD
View
B
Retailer 5
-
HK$56,915 HKD
£5,712 GBP
View
B
Retailer 6
-
HK$62,554 HKD
$7,973 USD
View
B
Retailer 7
-
HK$62,587 HKD
ZAR 128,873 ZAR
View
B
Retailer 8
-
HK$75,687 HKD
$9,647 USD
View
B
Retailer 9
-
HK$76,429 HKD
A$14,987 AUD
View
B
Retailer 10
-
HK$125,766 HKD
SGD 21,662 SGD
View
Most Expensive
B
Taylor and Hart
B5EBCGX · Oct 31
HK$145,043 HKD
$18,487 USD
View
10 more retailers have this diamond
Prices start from HK$46,290 HKDSave up to HK$98,753 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.

B+
10.05ct Cushion
HK$46,290 HKD