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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 $9,339 CAD
£5,264 GBP
As of October 30, 2026
Save $16,485 CAD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,824 CAD at Taylor and Hart · As of October 30, 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 $9,339 to $25,824, a $16,485 spread on the same certified stone. Taylor and Hart lists it at $25,824. 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
Color
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: $9,339 CAD|Low: $7,257 CAD|High: $25,824 CAD|Avg: $13,181 CAD|+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$8,242 CAD
Retailer 1$9,339 CAD
Retailer 2$9,671 CAD
Retailer 6$9,674 CAD
Retailer 10$10,133 CAD
Retailer 8$11,137 CAD
Retailer 3$11,143 CAD
Retailer 7$13,476 CAD
Retailer 4$13,632 CAD
Retailer 9$22,392 CAD
Taylor and Hart$25,824 CAD

36 data points across 11 retailers

11 retailers$9,339 CAD to $25,824 CAD

Retailer 1
-
$8,242 CAD
$5,900 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$9,339 CAD
£5,264 GBP
View
B+
Retailer 3
-
$9,671 CAD
$6,923 USD
View
B+
Retailer 4
-
$9,674 CAD
$6,925 USD
View
B
Retailer 5
-
$10,133 CAD
£5,712 GBP
View
B
Retailer 6
-
$11,137 CAD
$7,973 USD
View
B
Retailer 7
-
$11,143 CAD
ZAR 128,873 ZAR
View
B
Retailer 8
-
$13,476 CAD
$9,647 USD
View
Retailer 9
-
$13,632 CAD
A$15,013 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$22,392 CAD
SGD 21,662 SGD
View
Most Expensive
B
Taylor and Hart
B5EBCGX · Oct 30
$25,824 CAD
$18,487 USD
View
10 more retailers have this diamond
Prices start from $9,339 CADSave up to $16,485 CAD

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
$9,339 CAD