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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG675592990

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675592990

Diamond specifications and retailer prices

From $814 NZD
$459 USD
As of October 30, 2026
Save $5,999 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,813 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675592990 or 675592990. Listed at 22 retailers as of October 30, 2026, with prices from $814 to $6,813, a $5,999 spread on the same certified stone. Brilliant Earth lists it at $6,813. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675592990
Dimensions8.73 × 6.63 × 4.41 mm
L/W Ratio1.32
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
8.73 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675592990
Side View
Table 61.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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: Oct 30
Current: $6,813 NZD|Low: $814 NZD|High: $8,233 NZD|Avg: $3,075 NZD|-17.2%
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
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Retailer 17
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Retailer 20
October 31, 2026
Retailer 8$814 NZD
Retailer 5$901 NZD
Retailer 3$1,058 NZD
Retailer 18$1,226 NZD
Retailer 17$1,295 NZD
Retailer 4$1,359 NZD
Retailer 13$1,427 NZD
Retailer 2$1,648 NZD
Retailer 16$1,711 NZD
Retailer 20$2,179 NZD
Retailer 14$2,319 NZD
Retailer 7$3,291 NZD
Retailer 10$3,345 NZD
Retailer 11$3,465 NZD
Retailer 9$3,519 NZD
Retailer 15$3,677 NZD
Retailer 12$4,137 NZD
Retailer 19$5,580 NZD
Retailer 6$6,458 NZD
Brilliant Earth$6,813 NZD

30 data points across 20 retailers

22 retailers$814 NZD to $6,813 NZD

A
Cheapest Retailer
-
$814 NZD
$459 USD
Final sale: no returns
A
Retailer 2
-
$901 NZD
$508 USD
View
Retailer 3
-
$1,058 NZD
£470 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,226 NZD
HK$5,400 HKD
View
A
Retailer 5
-
$1,295 NZD
$730 USD
View
A
Retailer 6
-
$1,359 NZD
$766 USD
View
A
Retailer 7
-
$1,427 NZD
$804 USD
View
A
Retailer 8
-
$1,648 NZD
£731 GBP
View
A
Retailer 9
-
$1,711 NZD
ZAR 15,582 ZAR
View
A
Retailer 10
-
$2,179 NZD
$1,228 USD
View
A
Retailer 11
-
$2,319 NZD
A$2,011 AUD
View
B+
Retailer 12
-
$3,291 NZD
$1,855 USD
View
B+
Retailer 13
-
$3,345 NZD
$1,885 USD
View
B+
Retailer 14
-
$3,465 NZD
$1,953 USD
View
B+
Retailer 15
-
$3,519 NZD
SGD 2,680 SGD
View
B+
Retailer 16
-
$3,677 NZD
£1,632 GBP
View
Retailer 17
-
$4,137 NZD
£1,836 GBP
View
Price last confirmed 17 days ago
Retailer 18
-
$5,580 NZD
$3,145 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$6,309 NZD
£2,800 GBP
View
Retailer 20
-
$6,350 NZD
$3,579 USD
View
Price last confirmed 83 days ago
B
Retailer 21
-
$6,458 NZD
$3,640 USD
View
Most Expensive
B
Brilliant Earth
20152130Y · Oct 30
$6,813 NZD
$3,840 USD
View
21 more retailers have this diamond
Prices start from $814 NZDSave up to $5,999 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
1.90ct Cushion
$814 NZD