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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG595360309

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG595360309

Diamond specifications and retailer prices

From €249 EUR
£220 GBP
As of November 2, 2026
Save €810 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,060 EUR at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG595360309 or 595360309. Listed at 12 retailers as of November 2, 2026, with prices from €249 to €1,060, a €810 spread on the same certified stone. Flawless Fine Jewelry lists it at €1,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595360309
Dimensions6.41 × 6.32 × 4.19 mm
L/W Ratio1.01
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
6.41 mm6.32 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595360309
Side View
Table 62.0%Crown 36.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.3%

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 2
Current: €1,060 EUR|Low: €203 EUR|High: €1,060 EUR|Avg: €522 EUR
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€203 EUR
Retailer 2€249 EUR
Retailer 5€352 EUR
Retailer 8€358 EUR
Retailer 4€365 EUR
Retailer 9€366 EUR
Retailer 10€427 EUR
Retailer 3€497 EUR
Retailer 6€952 EUR
Flawless Fine Jewelry€1,060 EUR

42 data points across 10 retailers

12 retailers€249 EUR to €1,060 EUR

Retailer 1
-
€203 EUR
$228 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€249 EUR
£220 GBP
View
A
Retailer 3
-
€352 EUR
ZAR 6,372 ZAR
View
A
Retailer 4
-
€358 EUR
$402 USD
View
A
Retailer 5
-
€365 EUR
£323 GBP
View
Retailer 6
-
€366 EUR
$410 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
€427 EUR
$479 USD
View
A
Retailer 8
-
€444 EUR
$498 USD
View
A
Retailer 9
-
€497 EUR
A$857 AUD
View
B+
Retailer 10
-
€703 EUR
$789 USD
View
B
Retailer 11
-
€952 EUR
£841 GBP
View
Most Expensive
B
Flawless Fine Jewelry
AC526EA9B · Nov 2
€1,060 EUR
£936 GBP
View
11 more retailers have this diamond
Prices start from €249 EURSave up to €810 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
1.31ct Cushion
€249 EUR