CaratHunter
Plans
Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681100

Diamond specifications and retailer prices

From $730 USD
As of November 3, 2026
Save $2,930 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,660 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG818681100 or 818681100. Listed at 16 retailers as of November 2, 2026, with prices from $730 to $3,660, a $2,930 spread on the same certified stone. Brilliant Earth lists it at $3,660. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681100
Dimensions8.60 × 5.78 × 3.81 mm
L/W Ratio1.49
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
8.60 mm5.78 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681100
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 65.9%

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: Nov 3
Current: $3,660 USD|Low: $693 USD|High: $4,890 USD|Avg: $1,781 USD|-25.2%
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
November 3, 2026
Retailer 8$693 USD
Retailer 14$730 USD
Retailer 4$855 USD
Retailer 11$946 USD
Retailer 5$984 USD
Retailer 2$1,055 USD
Retailer 12$1,092 USD
Retailer 15$1,105 USD
Retailer 10$1,497 USD
Retailer 3$1,844 USD
Retailer 6$2,059 USD
Retailer 16$2,061 USD
Retailer 9$2,276 USD
Retailer 13$2,643 USD
Retailer 7$2,715 USD
Brilliant Earth$3,660 USD

30 data points across 16 retailers

16 retailers$730 USD to $3,660 USD

Retailer 1
-
$693 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$730 USD
View
A
Retailer 3
-
$855 USD
View
A
Retailer 4
-
$946 USD
€901 EUR
View
A
Retailer 5
-
$984 USD
View
A
Retailer 6
-
$1,055 USD
£831 GBP
View
A
Retailer 7
-
$1,092 USD
ZAR 17,644 ZAR
View
A
Retailer 8
-
$1,105 USD
View
A
Retailer 9
-
$1,497 USD
View
B+
Retailer 10
-
$1,844 USD
£1,452 GBP
View
B+
Retailer 11
-
$2,059 USD
SGD 2,782 SGD
View
B+
Retailer 12
-
$2,061 USD
View
B+
Retailer 13
-
$2,276 USD
View
B+
Retailer 14
-
$2,643 USD
£2,081 GBP
View
Retailer 15
-
$2,715 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21418369A · Nov 2
$3,660 USD
View
15 more retailers have this diamond
Prices start from $730 USDSave up to $2,930 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
1.53ct Cushion
$730 USD