CaratHunter
Plans
Cushion|Lab Grown|IGI

1.45ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG838619306

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG838619306

Diamond specifications and retailer prices

From $541 SGD
$423 USD
As of October 30, 2026
Save $2,706 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,247 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619306 or 838619306. Listed at 15 retailers as of October 30, 2026, with prices from $541 to $3,247, a $2,706 spread on the same certified stone. Brilliant Earth lists it at $3,247. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619306
Dimensions8.22 × 5.82 × 3.84 mm
L/W Ratio1.41
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
8.22 mm5.82 mm1.45 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619306
Side View
Table 65.0%Crown 35.5°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,247 SGD|Low: $502 SGD|High: $3,733 SGD|Avg: $1,287 SGD|-13.0%
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
October 31, 2026
Retailer 11$541 SGD
Retailer 6$561 SGD
Retailer 12$619 SGD
Retailer 13$655 SGD
Retailer 5$754 SGD
Retailer 10$805 SGD
Retailer 14$905 SGD
Retailer 9$910 SGD
Retailer 4$959 SGD
Retailer 2$1,084 SGD
Retailer 15$1,355 SGD
Retailer 8$1,911 SGD
Retailer 3$2,192 SGD
Retailer 7$2,710 SGD
Brilliant Earth$3,247 SGD

19 data points across 15 retailers

15 retailers$541 SGD to $3,247 SGD

A
Cheapest Retailer
-
$541 SGD
$423 USD
Final sale: no returns
A+
Retailer 2
-
$561 SGD
$439 USD
View
A
Retailer 3
-
$619 SGD
£381 GBP
View
A
Retailer 4
-
$655 SGD
HK$4,000 HKD
View
A
Retailer 5
-
$754 SGD
$590 USD
View
A
Retailer 6
-
$805 SGD
$630 USD
View
A
Retailer 7
-
$905 SGD
€674 EUR
View
A
Retailer 8
-
$910 SGD
$712 USD
View
A
Retailer 9
-
$959 SGD
ZAR 12,116 ZAR
View
A
Retailer 10
-
$1,084 SGD
£668 GBP
View
A
Retailer 11
-
$1,355 SGD
A$1,631 AUD
View
B+
Retailer 12
-
$1,911 SGD
View
B+
Retailer 13
-
$2,192 SGD
£1,350 GBP
View
Retailer 14
-
$2,710 SGD
$2,120 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21621026A · Oct 30
$3,247 SGD
$2,540 USD
View
14 more retailers have this diamond
Prices start from $541 SGDSave up to $2,706 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+
1.45ct Cushion
$541 SGD