CaratHunter
Plans
Cushion|Lab Grown|IGI

1.89ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836607909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607909

Diamond specifications and retailer prices

From $945 SGD
$739 USD
As of October 30, 2026
Save $4,808 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,753 SGD at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836607909 or 836607909. Listed at 17 retailers as of October 30, 2026, with prices from $945 to $5,753, a $4,808 spread on the same certified stone. Brilliant Earth lists it at $5,753. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607909
Dimensions9.08 × 6.22 × 4.18 mm
L/W Ratio1.46
Girdle conditionFaceted
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
9.08 mm6.22 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607909
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 67.2%

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 30
Current: $5,753 SGD|Low: $945 SGD|High: $7,747 SGD|Avg: $2,708 SGD|-25.7%
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
October 31, 2026
Retailer 4$945 SGD
Retailer 9$1,038 SGD
Retailer 13$1,095 SGD
Retailer 11$1,195 SGD
Retailer 10$1,544 SGD
Retailer 15$1,576 SGD
Retailer 2$1,646 SGD
Retailer 14$1,775 SGD
Retailer 16$2,089 SGD
Retailer 12$2,242 SGD
Retailer 3$3,000 SGD
Retailer 5$3,169 SGD
Retailer 17$3,333 SGD
Retailer 6$3,420 SGD
Retailer 8$4,096 SGD
Retailer 7$4,698 SGD
Brilliant Earth$5,753 SGD

27 data points across 17 retailers

17 retailers$945 SGD to $5,753 SGD

A
Cheapest Retailer
-
$945 SGD
$739 USD
Final sale: no returns
Retailer 2
-
$1,038 SGD
$812 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,095 SGD
£675 GBP
View
A
Retailer 4
-
$1,195 SGD
$935 USD
View
A
Retailer 5
-
$1,544 SGD
£951 GBP
View
A
Retailer 6
-
$1,576 SGD
$1,233 USD
View
A
Retailer 7
-
$1,646 SGD
€1,226 EUR
View
A
Retailer 8
-
$1,775 SGD
ZAR 22,430 ZAR
View
A
Retailer 9
-
$2,089 SGD
$1,634 USD
View
B+
Retailer 10
-
$2,242 SGD
$1,754 USD
View
B+
Retailer 11
-
$3,000 SGD
£1,848 GBP
View
B+
Retailer 12
-
$3,169 SGD
$2,479 USD
View
B+
Retailer 13
-
$3,333 SGD
$2,607 USD
View
B+
Retailer 14
-
$3,420 SGD
View
Retailer 15
-
$4,096 SGD
£2,523 GBP
View
Price last confirmed 13 days ago
Retailer 16
-
$4,698 SGD
$3,675 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21640937A · Oct 30
$5,753 SGD
$4,500 USD
View
16 more retailers have this diamond
Prices start from $945 SGDSave up to $4,808 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
$945 SGD