Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837677857

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837677857

Diamond specifications and retailer prices

From $419 USD
As of October 30, 2026
Save $2,471 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,890 USD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837677857 or 837677857. Listed at 18 retailers as of October 30, 2026, with prices from $419 to $2,890, a $2,471 spread on the same certified stone. Brilliant Earth lists it at $2,890. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677857
Dimensions7.98 × 5.84 × 3.83 mm
L/W Ratio1.37
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
7.98 mm5.84 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677857
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 31.5°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
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 30
Current: $2,890 USD|Low: $419 USD|High: $3,420 USD|Avg: $1,409 USD|-15.5%
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
October 31, 2026
Retailer 7$419 USD
Retailer 15$493 USD
Retailer 13$615 USD
Retailer 2$735 USD
Retailer 3$738 USD
Retailer 18$798 USD
Retailer 12$840 USD
Retailer 8$1,058 USD
Retailer 16$1,078 USD
Retailer 14$1,166 USD
Retailer 9$1,532 USD
Retailer 11$1,620 USD
Retailer 4$1,745 USD
Retailer 6$1,751 USD
Retailer 17$1,825 USD
Retailer 10$2,452 USD
Retailer 5$2,630 USD
Brilliant Earth$2,890 USD

36 data points across 18 retailers

18 retailers$419 USD to $2,890 USD

A
Cheapest Retailer
-
$419 USD
Final sale: no returns
A
Retailer 2
-
$493 USD
£388 GBP
View
A
Retailer 3
-
$615 USD
View
A
Retailer 4
-
$735 USD
€700 EUR
View
A
Retailer 5
-
$738 USD
View
A
Retailer 6
-
$798 USD
ZAR 12,897 ZAR
View
A
Retailer 7
-
$840 USD
£661 GBP
View
A
Retailer 8
-
$1,058 USD
View
A
Retailer 9
-
$1,078 USD
A$1,659 AUD
View
A
Retailer 10
-
$1,166 USD
View
B+
Retailer 11
-
$1,532 USD
View
B+
Retailer 12
-
$1,620 USD
View
B+
Retailer 13
-
$1,745 USD
SGD 2,358 SGD
View
B+
Retailer 14
-
$1,751 USD
View
B+
Retailer 15
-
$1,825 USD
£1,437 GBP
View
Retailer 16
-
$2,452 USD
A$3,773 AUD
View
Price last confirmed 35 days ago
Retailer 17
-
$2,630 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22183646A · Oct 31
$2,890 USD
View
17 more retailers have this diamond
Prices start from $419 USDSave up to $2,471 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
$419 USD