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Cushion|Lab Grown|IGI

1.61ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG608365884

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG608365884

Diamond specifications and retailer prices

From $633 NZD
$357 USD
As of November 1, 2026
Save $2,188 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,821 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG608365884 or 608365884. Listed at 10 retailers as of November 1, 2026, with prices from $633 to $2,821, a $2,188 spread on the same certified stone. MOH London lists it at $2,821. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.61
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608365884
Dimensions6.86 × 6.83 × 4.55 mm
L/W Ratio1.00
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
6.86 mm6.83 mm1.61 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608365884
Side View
Table 61.0%Crown 32.7°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 66.6%

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: $2,821 NZD|Low: $633 NZD|High: $3,013 NZD|Avg: $1,349 NZD|-6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$633 NZD
Retailer 10$711 NZD
Retailer 2$901 NZD
Retailer 4$976 NZD
Retailer 7$1,018 NZD
Retailer 6$1,143 NZD
Retailer 5$1,167 NZD
Retailer 3$1,256 NZD
Retailer 8$2,343 NZD
MOH London$2,821 NZD

42 data points across 10 retailers

10 retailers$633 NZD to $2,821 NZD

A
Cheapest Retailer
-
$633 NZD
$357 USD
Final sale: no returns
Retailer 2
-
$711 NZD
$401 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$901 NZD
£400 GBP
View
A
Retailer 4
-
$976 NZD
$550 USD
View
A
Retailer 5
-
$1,018 NZD
$574 USD
View
A
Retailer 6
-
$1,143 NZD
$644 USD
View
A
Retailer 7
-
$1,167 NZD
$658 USD
View
A
Retailer 8
-
$1,256 NZD
£558 GBP
View
B
Retailer 9
-
$2,343 NZD
$1,320 USD
View
Most Expensive
B
MOH London
LG608365884 · Nov 1
$2,821 NZD
£1,252 GBP
View
9 more retailers have this diamond
Prices start from $633 NZDSave up to $2,188 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
1.61ct Cushion
$633 NZD