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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG532240127

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG532240127

Diamond specifications and retailer prices

From $522 NZD
$294 USD
As of November 1, 2026
Save $2,211 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,732 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532240127 or 532240127. Listed at 14 retailers as of October 31, 2026, with prices from $522 to $2,732, a $2,211 spread on the same certified stone. Brilliant Earth lists it at $2,732. 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

1.60
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532240127
Dimensions6.94 × 6.88 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.94 mm6.88 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532240127
Side View
Table 59.5%Crown 35.7°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
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: $2,732 NZD|Low: $515 NZD|High: $2,750 NZD|Avg: $1,247 NZD|-0.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4$522 NZD
Retailer 11$578 NZD
Retailer 2$644 NZD
Retailer 13$777 NZD
Retailer 9$781 NZD
Retailer 5$1,001 NZD
Retailer 7$1,034 NZD
Retailer 3$1,050 NZD
Retailer 6$1,097 NZD
Retailer 12$1,462 NZD
Retailer 10$1,907 NZD
Retailer 8$2,330 NZD
Brilliant Earth$2,732 NZD

41 data points across 13 retailers

14 retailers$522 NZD to $2,732 NZD

A
Cheapest Retailer
-
$522 NZD
$294 USD
Final sale: no returns
Retailer 2
-
$578 NZD
$326 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$644 NZD
£286 GBP
View
B+
Retailer 4
-
$777 NZD
$438 USD
View
A
Retailer 5
-
$781 NZD
$440 USD
View
B+
Retailer 6
-
$1,001 NZD
$564 USD
View
A
Retailer 7
-
$1,034 NZD
€555 EUR
View
B+
Retailer 8
-
$1,050 NZD
$592 USD
View
A
Retailer 9
-
$1,097 NZD
£487 GBP
View
B+
Retailer 10
-
$1,462 NZD
$824 USD
View
Retailer 11
-
$1,907 NZD
$1,075 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,949 NZD
$1,099 USD
View
B
Retailer 13
-
$2,330 NZD
£1,034 GBP
View
Most Expensive
B
Brilliant Earth
11226005A · Oct 31
$2,732 NZD
$1,540 USD
View
13 more retailers have this diamond
Prices start from $522 NZDSave up to $2,211 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
1.60ct Cushion
$522 NZD