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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 $8,547 SGD
£5,264 GBP
As of October 30, 2026
Save $15,087 SGD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,634 SGD 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 30, 2026, with prices from $8,547 to $23,634, a $15,087 spread on the same certified stone. Taylor and Hart lists it at $23,634. 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: Oct 30
Current: $8,547 SGD|Low: $6,641 SGD|High: $23,634 SGD|Avg: $12,063 SGD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 5$7,543 SGD
Retailer 1$8,547 SGD
Retailer 2$8,850 SGD
Retailer 6$8,853 SGD
Retailer 10$9,274 SGD
Retailer 8$10,193 SGD
Retailer 3$10,198 SGD
Retailer 7$12,333 SGD
Retailer 4$12,475 SGD
Retailer 9$20,493 SGD
Taylor and Hart$23,634 SGD

36 data points across 11 retailers

11 retailers$8,547 SGD to $23,634 SGD

Retailer 1
-
$7,543 SGD
$5,900 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$8,547 SGD
£5,264 GBP
View
B+
Retailer 3
-
$8,850 SGD
$6,923 USD
View
B+
Retailer 4
-
$8,853 SGD
$6,925 USD
View
B
Retailer 5
-
$9,274 SGD
£5,712 GBP
View
B
Retailer 6
-
$10,193 SGD
$7,973 USD
View
B
Retailer 7
-
$10,198 SGD
ZAR 128,873 ZAR
View
B
Retailer 8
-
$12,333 SGD
$9,647 USD
View
Retailer 9
-
$12,475 SGD
A$15,013 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$20,493 SGD
View
Most Expensive
B
Taylor and Hart
B5EBCGX · Oct 31
$23,634 SGD
$18,487 USD
View
10 more retailers have this diamond
Prices start from $8,547 SGDSave up to $15,087 SGD

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
$8,547 SGD