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Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799646985

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799646985

Diamond specifications and retailer prices

From $556 USD
As of October 31, 2026
Save $2,964 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,520 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 LG799646985 or 799646985. Listed at 19 retailers as of October 31, 2026, with prices from $556 to $3,520, a $2,964 spread on the same certified stone. Brilliant Earth lists it at $3,520. 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 angle34°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799646985
Dimensions8.40 × 5.69 × 3.81 mm
L/W Ratio1.48
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
8.40 mm5.69 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799646985
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,520 USD|Low: $556 USD|High: $4,890 USD|Avg: $1,615 USD|-28.0%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 3$556 USD
Retailer 11$652 USD
Retailer 10$693 USD
Retailer 18$849 USD
Retailer 13$922 USD
Retailer 14$930 USD
Retailer 4$959 USD
Retailer 12$1,017 USD
Retailer 2$1,063 USD
Retailer 16$1,101 USD
Retailer 6$1,437 USD
Retailer 17$2,007 USD
Retailer 9$2,012 USD
Retailer 7$2,012 USD
Retailer 5$2,224 USD
Retailer 15$2,576 USD
Retailer 8$2,715 USD
Brilliant Earth$3,520 USD

26 data points across 18 retailers

19 retailers$556 USD to $3,520 USD

A+
Cheapest Retailer
-
$556 USD
Final sale: no returns
A
Retailer 2
-
$652 USD
£513 GBP
View
Retailer 3
-
$693 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$849 USD
View
A
Retailer 5
-
$922 USD
€878 EUR
View
A
Retailer 6
-
$930 USD
View
A
Retailer 7
-
$959 USD
View
A
Retailer 8
-
$1,017 USD
£800 GBP
View
A
Retailer 9
-
$1,063 USD
ZAR 17,168 ZAR
View
A
Retailer 10
-
$1,101 USD
View
Retailer 11
-
$1,437 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,007 USD
View
Retailer 13
-
$2,012 USD
£1,584 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$2,012 USD
SGD 2,719 SGD
View
B+
Retailer 15
-
$2,160 USD
View
B+
Retailer 16
-
$2,224 USD
View
Retailer 17
-
$2,576 USD
£2,028 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
$2,715 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21421015A · Nov 2
$3,520 USD
View
18 more retailers have this diamond
Prices start from $556 USDSave up to $2,964 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
$556 USD