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Cushion|Lab Grown|IGI

1.87ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG840635037

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840635037

Diamond specifications and retailer prices

From $527 NZD
$297 USD
As of November 1, 2026
Save $3,444 NZD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,971 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840635037 or 840635037. Listed at 18 retailers as of November 1, 2026, with prices from $527 to $3,971, a $3,444 spread on the same certified stone. Helzberg Diamonds lists it at $3,971. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635037
Dimensions8.91 × 6.28 × 4.16 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.91 mm6.28 mm1.87 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635037
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 66.2%

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: $3,971 NZD|Low: $527 NZD|High: $4,755 NZD|Avg: $1,816 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 5$527 NZD
Retailer 2$617 NZD
Retailer 17$869 NZD
Retailer 10$969 NZD
Retailer 12$1,006 NZD
Retailer 15$1,043 NZD
Retailer 8$1,073 NZD
Retailer 11$1,117 NZD
Retailer 4$1,356 NZD
Retailer 18$1,476 NZD
Retailer 7$1,661 NZD
Retailer 9$1,966 NZD
Retailer 6$2,054 NZD
Retailer 16$2,097 NZD
Retailer 14$2,339 NZD
Retailer 13$3,114 NZD
Retailer 3$3,566 NZD
Helzberg Diamonds$3,971 NZD

18 data points across 18 retailers

18 retailers$527 NZD to $3,971 NZD

A
Cheapest Retailer
-
$527 NZD
$297 USD
Final sale: no returns
A
Retailer 2
-
$617 NZD
£274 GBP
View
A
Retailer 3
-
$869 NZD
$490 USD
View
B+
Retailer 4
-
$969 NZD
$546 USD
View
A
Retailer 5
-
$1,006 NZD
ZAR 9,158 ZAR
View
A
Retailer 6
-
$1,043 NZD
€560 EUR
View
A
Retailer 7
-
$1,073 NZD
$605 USD
View
A
Retailer 8
-
$1,117 NZD
£496 GBP
View
A
Retailer 9
-
$1,356 NZD
A$1,176 AUD
View
A
Retailer 10
-
$1,476 NZD
$832 USD
View
B+
Retailer 11
-
$1,661 NZD
$936 USD
View
B+
Retailer 12
-
$1,966 NZD
$1,108 USD
View
B+
Retailer 13
-
$2,054 NZD
SGD 1,564 SGD
View
B+
Retailer 14
-
$2,097 NZD
$1,182 USD
View
B+
Retailer 15
-
$2,339 NZD
£1,038 GBP
View
B
Retailer 16
-
$3,114 NZD
$1,755 USD
View
B
Retailer 17
-
$3,566 NZD
$2,010 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLGJN · Nov 1
$3,971 NZD
$2,238 USD
View
17 more retailers have this diamond
Prices start from $527 NZDSave up to $3,444 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
1.87ct Cushion
$527 NZD