CaratHunter
Plans
Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754563673

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754563673

Diamond specifications and retailer prices

From $459 USD
As of October 30, 2026
Save $2,871 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,330 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct 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 LG754563673 or 754563673. Listed at 22 retailers as of October 30, 2026, with prices from $459 to $3,330, a $2,871 spread on the same certified stone. Do Amore Diamonds lists it at $3,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563673
Dimensions6.25 × 6.25 × 4.10 mm
L/W Ratio1.00
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
6.25 mm6.25 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563673
Side View
Table 62.0%Crown 36°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 65.6%

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: $3,330 USD|Low: $459 USD|High: $3,670 USD|Avg: $1,589 USD|-9.3%
Do Amore Diamonds
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 7$459 USD
Retailer 15$545 USD
Retailer 3$666 USD
Retailer 19$670 USD
Retailer 21$710 USD
Retailer 4$725 USD
Retailer 6$797 USD
Retailer 17$828 USD
Retailer 2$846 USD
Retailer 18$883 USD
Retailer 10$1,188 USD
Retailer 16$1,197 USD
Retailer 8$1,742 USD
Retailer 5$1,745 USD
Retailer 11$1,805 USD
Retailer 20$1,890 USD
Retailer 9$1,919 USD
Retailer 14$2,431 USD
Retailer 12$2,490 USD
Retailer 13$2,810 USD
Do Amore Diamonds$3,330 USD

30 data points across 21 retailers

22 retailers$459 USD to $3,330 USD

A
Cheapest Retailer
-
$459 USD
Final sale: no returns
A
Retailer 2
-
$545 USD
£429 GBP
View
A
Retailer 3
-
$666 USD
HK$5,200 HKD
View
A
Retailer 4
-
$670 USD
View
A
Retailer 5
-
$710 USD
View
A
Retailer 6
-
$725 USD
View
A
Retailer 7
-
$797 USD
View
A
Retailer 8
-
$828 USD
€789 EUR
View
A
Retailer 9
-
$846 USD
£666 GBP
View
A
Retailer 10
-
$883 USD
ZAR 14,263 ZAR
View
A
Retailer 11
-
$1,188 USD
View
A
Retailer 12
-
$1,197 USD
A$1,841 AUD
View
B+
Retailer 13
-
$1,742 USD
View
B+
Retailer 14
-
$1,745 USD
View
B+
Retailer 15
-
$1,805 USD
View
B+
Retailer 16
-
$1,890 USD
£1,488 GBP
View
B+
Retailer 17
-
$1,919 USD
SGD 2,593 SGD
View
Retailer 18
-
$2,431 USD
A$3,740 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
$2,490 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$2,645 USD
View
B
Retailer 21
-
$2,810 USD
View
Most Expensive
B
Do Amore Diamonds
27-1742896DE · Oct 31
$3,330 USD
View
21 more retailers have this diamond
Prices start from $459 USDSave up to $2,871 USD

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
1.50ct Cushion
$459 USD