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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 €1,805 EUR
$2,016 USD
As of October 31, 2026
Save €6,448 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €8,253 EUR 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 €1,805 to €8,253, a €6,448 spread on the same certified stone. Brilliant Earth lists it at €8,253. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €8,253 EUR|Low: €1,805 EUR|High: €8,512 EUR|Avg: €3,312 EUR|-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 3€1,805 EUR
Retailer 12€1,870 EUR
Retailer 11€2,018 EUR
Retailer 13€2,373 EUR
Retailer 6€2,652 EUR
Retailer 9€2,660 EUR
Retailer 7€2,801 EUR
Retailer 10€2,854 EUR
Retailer 8€2,895 EUR
Retailer 2€3,464 EUR
Retailer 4€3,874 EUR
Retailer 5€4,605 EUR
Brilliant Earth€8,253 EUR

43 data points across 13 retailers

16 retailers€1,805 EUR to €8,253 EUR

A
Cheapest Retailer
-
€1,805 EUR
$2,016 USD
Final sale: no returns
Retailer 2
-
€1,870 EUR
$2,089 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€2,018 EUR
$2,255 USD
View
A
Retailer 4
-
€2,373 EUR
$2,651 USD
View
A
Retailer 5
-
€2,652 EUR
£2,333 GBP
View
B+
Retailer 6
-
€2,660 EUR
$2,972 USD
View
A
Retailer 7
-
€2,801 EUR
View
A
Retailer 8
-
€2,854 EUR
$3,189 USD
View
A
Retailer 9
-
€2,895 EUR
ZAR 52,243 ZAR
View
A
Retailer 10
-
€3,464 EUR
A$5,954 AUD
View
A
Retailer 11
-
€3,874 EUR
£3,408 GBP
View
B+
Retailer 12
-
€4,605 EUR
$5,145 USD
View
B+
Retailer 13
-
€5,378 EUR
$6,009 USD
View
B+
Retailer 14
-
€5,964 EUR
$6,663 USD
View
B
Retailer 15
-
€6,554 EUR
$7,322 USD
View
Most Expensive
B
Brilliant Earth
10792660A · Oct 31
€8,253 EUR
$9,220 USD
View
15 more retailers have this diamond
Prices start from €1,805 EURSave up to €6,448 EUR

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
€1,805 EUR