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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG712546420

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG712546420

Diamond specifications and retailer prices

From $691 NZD
$389 USD
As of November 1, 2026
Save $3,947 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,639 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG712546420 or 712546420. Listed at 14 retailers as of November 1, 2026, with prices from $691 to $4,639, a $3,947 spread on the same certified stone. Do Amore Diamonds lists it at $4,639. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle48.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712546420
Dimensions8.18 × 5.58 × 3.91 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.58 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712546420
Side View
Table 66.0%Crown 38.6°Girdle: MED-STKPavilion 48.1°Culet: LargeDepth 70.1%

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: $4,639 NZD|Low: $649 NZD|High: $4,639 NZD|Avg: $1,826 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$649 NZD
Retailer 9$825 NZD
Retailer 3$864 NZD
Retailer 4$1,234 NZD
Retailer 2$1,279 NZD
Retailer 11$1,535 NZD
Retailer 6$1,668 NZD
Retailer 7$2,492 NZD
Retailer 10$2,790 NZD
Retailer 5$2,869 NZD
Do Amore Diamonds$4,639 NZD

42 data points across 11 retailers

14 retailers$691 NZD to $4,639 NZD

Retailer 1
-
$649 NZD
$365 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$691 NZD
$389 USD
View
A
Retailer 3
-
$825 NZD
$464 USD
View
A
Retailer 4
-
$864 NZD
$486 USD
View
A
Retailer 5
-
$924 NZD
$520 USD
View
B+
Retailer 6
-
$1,234 NZD
ZAR 11,220 ZAR
View
B+
Retailer 7
-
$1,279 NZD
£567 GBP
View
B+
Retailer 8
-
$1,535 NZD
$864 USD
View
B+
Retailer 9
-
$1,668 NZD
A$1,444 AUD
View
B
Retailer 10
-
$2,492 NZD
$1,402 USD
View
B
Retailer 11
-
$2,588 NZD
$1,456 USD
View
B
Retailer 12
-
$2,790 NZD
£1,236 GBP
View
B
Retailer 13
-
$2,869 NZD
£1,271 GBP
View
Most Expensive
B
Do Amore Diamonds
27-86F0D0661 · Nov 2
$4,639 NZD
$2,610 USD
View
13 more retailers have this diamond
Prices start from $691 NZDSave up to $3,947 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
1.51ct Cushion
$691 NZD