Cushion|Lab Grown|IGI

10.62ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG586376400

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG586376400

Diamond specifications and retailer prices

From $1,411 USD
£1,111 GBP
As of November 1, 2026
Save $6,086 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,497 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.62ct lab-grown cushion diamond

This 10.62ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG586376400 or 586376400. Listed at 9 retailers as of October 31, 2026, with prices from $1,411 to $7,497, a $6,086 spread on the same certified stone. Adiamor lists it at $7,497. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.62
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586376400
Dimensions12.88 × 12.87 × 8.42 mm
L/W Ratio1.00
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
12.88 mm12.87 mm10.62 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586376400
Side View
Table 64.0%Crown 36.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 65.4%

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: Nov 1
Current: $7,497 USD|Low: $1,411 USD|High: $14,009 USD|Avg: $5,011 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$1,411 USD
Retailer 8$1,755 USD
Retailer 10$1,869 USD
Retailer 9$2,120 USD
Retailer 6$2,230 USD
Retailer 4$2,499 USD
Retailer 7$2,540 USD
Retailer 2$5,625 USD
Adiamor$7,497 USD
Retailer 11$9,340 USD
Retailer 3$14,009 USD

5 data points across 11 retailers

9 retailers$1,411 USD to $7,497 USD

A
Cheapest Retailer
-
$1,411 USD
£1,111 GBP
A
Retailer 2
-
$1,755 USD
View
A
Retailer 3
-
$1,869 USD
HK$14,600 HKD
View
A
Retailer 4
-
$2,120 USD
View
A
Retailer 5
-
$2,230 USD
£1,756 GBP
View
B+
Retailer 6
-
$2,499 USD
View
A
Retailer 7
-
$2,540 USD
€2,419 EUR
View
B
Retailer 8
-
$5,625 USD
View
Most Expensive
B
Adiamor
D-82833908 · Oct 31
$7,497 USD
View
8 more retailers have this diamond
Prices start from $1,411 USDSave up to $6,086 USD

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
10.62ct Cushion
$1,411 USD