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 $777 SGD
$606 USD
As of October 27, 2026
Save $5,593 SGD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,370 SGD 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 $777 to $6,370, a $5,593 spread on the same certified stone. Brilliant Earth lists it at $6,370. 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: $6,370 SGD|Low: $777 SGD|High: $6,370 SGD|Avg: $2,341 SGD
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$777 SGD
Retailer 3$891 SGD
Retailer 17$935 SGD
Retailer 6$1,038 SGD
Retailer 2$1,248 SGD
Retailer 4$1,329 SGD
Retailer 14$1,333 SGD
Retailer 16$1,466 SGD
Retailer 18$2,016 SGD
Retailer 8$2,060 SGD
Retailer 5$2,500 SGD
Retailer 13$2,691 SGD
Retailer 7$2,771 SGD
Retailer 11$2,794 SGD
Retailer 10$2,927 SGD
Retailer 15$3,597 SGD
Retailer 12$3,736 SGD
Retailer 19$3,736 SGD
Brilliant Earth$6,370 SGD

23 data points across 19 retailers

19 retailers$777 SGD to $6,370 SGD

A
Cheapest Retailer
-
$777 SGD
$606 USD
Final sale: no returns
A
Retailer 2
-
$891 SGD
£547 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$935 SGD
HK$5,700 HKD
View
A
Retailer 4
-
$1,038 SGD
$810 USD
View
A
Retailer 5
-
$1,248 SGD
€927 EUR
View
A
Retailer 6
-
$1,329 SGD
$1,037 USD
View
A
Retailer 7
-
$1,333 SGD
£819 GBP
View
A
Retailer 8
-
$1,466 SGD
ZAR 18,478 ZAR
View
A
Retailer 9
-
$2,016 SGD
A$2,420 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$2,060 SGD
$1,607 USD
View
B+
Retailer 11
-
$2,500 SGD
£1,536 GBP
View
B+
Retailer 12
-
$2,691 SGD
View
B+
Retailer 13
-
$2,771 SGD
$2,162 USD
View
B+
Retailer 14
-
$2,794 SGD
$2,180 USD
View
B+
Retailer 15
-
$2,927 SGD
$2,283 USD
View
B+
Retailer 16
-
$3,597 SGD
£2,210 GBP
View
B+
Retailer 17
-
$3,736 SGD
$2,915 USD
View
B+
Retailer 18
-
$3,736 SGD
$2,915 USD
View
Most Expensive
B
Brilliant Earth
21808108A · Oct 29
$6,370 SGD
$4,970 USD
View
18 more retailers have this diamond
Prices start from $777 SGDSave up to $5,593 SGD

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
$777 SGD