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Cushion|Lab Grown|IGI

1.70ct H SI2 Cushion Lab Grown Diamond

ID • H/SI2 • IGI LG522253828

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522253828

Diamond specifications and retailer prices

From $415 NZD
As of November 6, 2026
Save $1,725 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,140 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522253828 or 522253828. Listed at 10 retailers as of November 5, 2026, with prices from $415 to $2,140, a $1,725 spread on the same certified stone. MOH London lists it at $2,140. 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

1.70
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522253828
Dimensions7.01 × 7.00 × 4.59 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
7.01 mm7.00 mm1.70 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522253828
Side View
Table 61.0%Crown 35.3°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 65.6%

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 6
Current: $2,140 NZD|Low: $361 NZD|High: $2,904 NZD|Avg: $1,133 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$415 NZD
Retailer 6$458 NZD
Retailer 12$507 NZD
Retailer 9$649 NZD
Retailer 2$745 NZD
Retailer 10$871 NZD
Retailer 8$934 NZD
Retailer 4$1,122 NZD
Retailer 11$1,488 NZD
Retailer 3$1,550 NZD
Retailer 5$1,642 NZD
MOH London$2,140 NZD

19 data points across 12 retailers

10 retailers$415 NZD to $2,140 NZD

A
Cheapest Retailer
-
$415 NZD
Final sale: no returns
Retailer 2
-
$458 NZD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$507 NZD
View
B+
Retailer 4
-
$649 NZD
View
A
Retailer 5
-
$745 NZD
View
A
Retailer 6
-
$871 NZD
View
A
Retailer 7
-
$934 NZD
View
B+
Retailer 8
-
$1,488 NZD
View
B+
Retailer 9
-
$1,642 NZD
View
Most Expensive
B+
MOH London
LG522253828 · Nov 5
$2,140 NZD
£934 GBP
View
9 more retailers have this diamond
Prices start from $415 NZDSave up to $1,725 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
1.70ct Cushion
$415 NZD