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Cushion|Lab Grown|IGI

1.89ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG839647791

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839647791

Diamond specifications and retailer prices

From $1,079 NZD
$606 USD
As of October 27, 2026
Save $7,770 NZD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,849 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839647791 or 839647791. Listed at 19 retailers as of October 27, 2026, with prices from $1,079 to $8,849, a $7,770 spread on the same certified stone. Brilliant Earth lists it at $8,849. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647791
Dimensions8.72 × 6.26 × 3.95 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm6.26 mm1.89 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647791
Side View
Table 66.0%Crown 33.6°Girdle: MED-THKPavilion 32.8°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,849 NZD|Low: $1,079 NZD|High: $8,849 NZD|Avg: $3,253 NZD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 9$1,079 NZD
Retailer 3$1,237 NZD
Retailer 17$1,299 NZD
Retailer 6$1,442 NZD
Retailer 2$1,733 NZD
Retailer 4$1,846 NZD
Retailer 14$1,851 NZD
Retailer 16$2,037 NZD
Retailer 18$2,801 NZD
Retailer 8$2,861 NZD
Retailer 5$3,473 NZD
Retailer 13$3,738 NZD
Retailer 7$3,849 NZD
Retailer 11$3,881 NZD
Retailer 10$4,066 NZD
Retailer 15$4,997 NZD
Retailer 12$5,190 NZD
Retailer 19$5,190 NZD
Brilliant Earth$8,849 NZD

23 data points across 19 retailers

19 retailers$1,079 NZD to $8,849 NZD

A
Cheapest Retailer
-
$1,079 NZD
$606 USD
Final sale: no returns
A
Retailer 2
-
$1,237 NZD
£547 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$1,299 NZD
HK$5,700 HKD
View
A
Retailer 4
-
$1,442 NZD
$810 USD
View
A
Retailer 5
-
$1,733 NZD
€927 EUR
View
A
Retailer 6
-
$1,846 NZD
$1,037 USD
View
A
Retailer 7
-
$1,851 NZD
£819 GBP
View
A
Retailer 8
-
$2,037 NZD
ZAR 18,478 ZAR
View
A
Retailer 9
-
$2,801 NZD
A$2,420 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$2,861 NZD
$1,607 USD
View
B+
Retailer 11
-
$3,473 NZD
£1,536 GBP
View
B+
Retailer 12
-
$3,738 NZD
SGD 2,837 SGD
View
B+
Retailer 13
-
$3,849 NZD
$2,162 USD
View
B+
Retailer 14
-
$3,881 NZD
$2,180 USD
View
B+
Retailer 15
-
$4,066 NZD
$2,283 USD
View
B+
Retailer 16
-
$4,997 NZD
£2,210 GBP
View
B+
Retailer 17
-
$5,190 NZD
$2,915 USD
View
B+
Retailer 18
-
$5,190 NZD
$2,915 USD
View
Most Expensive
B
Brilliant Earth
21808108A · Oct 29
$8,849 NZD
$4,970 USD
View
18 more retailers have this diamond
Prices start from $1,079 NZDSave up to $7,770 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
1.89ct Cushion
$1,079 NZD