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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 $502 NZD
£223 GBP
As of November 1, 2026
Save $2,373 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,874 NZD 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 12 retailers as of October 31, 2026, with prices from $502 to $2,874, a $2,373 spread on the same certified stone. Do Amore Diamonds lists it at $2,874. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,874 NZD|Low: $502 NZD|High: $2,874 NZD|Avg: $1,186 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$502 NZD
Retailer 10$665 NZD
Retailer 8$685 NZD
Retailer 6$689 NZD
Retailer 2$707 NZD
Retailer 5$742 NZD
Retailer 7$1,260 NZD
Retailer 9$1,625 NZD
Retailer 3$1,915 NZD
Do Amore Diamonds$2,874 NZD

7 data points across 10 retailers

12 retailers$502 NZD to $2,874 NZD

A
Cheapest Retailer
-
$502 NZD
£223 GBP
B+
Retailer 2
-
$665 NZD
$375 USD
View
A
Retailer 3
-
$685 NZD
$386 USD
View
A
Retailer 4
-
$689 NZD
€370 EUR
View
A
Retailer 5
-
$707 NZD
ZAR 6,441 ZAR
View
A
Retailer 6
-
$742 NZD
£329 GBP
View
B+
Retailer 7
-
$1,162 NZD
$655 USD
View
B+
Retailer 8
-
$1,260 NZD
$710 USD
View
Retailer 9
-
$1,437 NZD
$810 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$1,625 NZD
$916 USD
View
B
Retailer 11
-
$1,915 NZD
£850 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6149F0C67 · Oct 31
$2,874 NZD
$1,620 USD
View
11 more retailers have this diamond
Prices start from $502 NZDSave up to $2,373 NZD

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
$502 NZD