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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG579399923

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG579399923

Diamond specifications and retailer prices

From €253 EUR
£223 GBP
As of November 1, 2026
Save €1,197 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,450 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG579399923 or 579399923. Listed at 10 retailers as of October 31, 2026, with prices from €253 to €1,450, a €1,197 spread on the same certified stone. Do Amore Diamonds lists it at €1,450. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579399923
Dimensions6.46 × 6.35 × 4.14 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.46 mm6.35 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579399923
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 65.2%

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: €1,450 EUR|Low: €253 EUR|High: €1,450 EUR|Avg: €604 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2€253 EUR
Retailer 9€336 EUR
Retailer 7€346 EUR
Retailer 4€348 EUR
Retailer 3€375 EUR
Retailer 5€636 EUR
Retailer 8€820 EUR
Retailer 6€972 EUR
Do Amore Diamonds€1,450 EUR

7 data points across 9 retailers

10 retailers€253 EUR to €1,450 EUR

A
Cheapest Retailer
-
€253 EUR
£223 GBP
B+
Retailer 2
-
€336 EUR
$375 USD
View
A
Retailer 3
-
€346 EUR
$386 USD
View
A
Retailer 4
-
€348 EUR
View
A
Retailer 5
-
€375 EUR
£329 GBP
View
B+
Retailer 6
-
€636 EUR
$710 USD
View
Retailer 7
-
€725 EUR
$810 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
€820 EUR
$916 USD
View
B
Retailer 9
-
€972 EUR
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6149F0C67 · Oct 31
€1,450 EUR
$1,620 USD
View
9 more retailers have this diamond
Prices start from €253 EURSave up to €1,197 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
€253 EUR