Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG798609626

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798609626

Diamond specifications and retailer prices

From $375 USD
As of November 1, 2026
Save $2,605 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,420 USD at Brilliant Earth · As of October 24, 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 LG798609626 or 798609626. Listed at 24 retailers as of October 31, 2026, with a 695% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798609626
Dimensions7.80 × 6.31 × 4.23 mm
L/W Ratio1.24
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
7.80 mm6.31 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798609626
Side View
Table 61.0%Crown 30.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 67.0%

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: Nov 1
Current: $2,870 USD|Low: $375 USD|High: $4,590 USD|Avg: $1,454 USD|-35.5%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
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Retailer 11
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Retailer 13
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 6$375 USD
Retailer 7$416 USD
Retailer 13$485 USD
Retailer 5$576 USD
Retailer 17$597 USD
Retailer 16$600 USD
Retailer 20$673 USD
Retailer 19$788 USD
Retailer 4$816 USD
Retailer 2$828 USD
Retailer 15$864 USD
Retailer 18$1,065 USD
Retailer 12$1,514 USD
Retailer 3$1,570 USD
Retailer 9$1,619 USD
Retailer 10$1,669 USD
Retailer 11$1,783 USD
Retailer 8$1,795 USD
Retailer 14$2,660 USD
Brilliant Earth$2,870 USD
Retailer 21$2,980 USD

29 data points across 21 retailers

24 retailers$375 USD to $2,980 USD

A
Cheapest Retailer
-
$375 USD
Final sale: no returns
Retailer 2
-
$416 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$485 USD
£382 GBP
View
A
Retailer 4
-
$576 USD
HK$4,500 HKD
View
A
Retailer 5
-
$597 USD
View
A
Retailer 6
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$600 USD
View
A
Retailer 7
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$673 USD
View
A
Retailer 8
-
$788 USD
ZAR 12,735 ZAR
View
A
Retailer 9
-
$816 USD
View
A
Retailer 10
-
$828 USD
£652 GBP
View
A
Retailer 11
-
$864 USD
€823 EUR
View
A
Retailer 12
-
$1,065 USD
A$1,638 AUD
View
B+
Retailer 13
-
$1,514 USD
View
A
Retailer 14
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$1,530 USD
View
B+
Retailer 15
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$1,570 USD
View
B+
Retailer 16
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$1,619 USD
View
B+
Retailer 17
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$1,669 USD
SGD 2,255 SGD
View
Retailer 18
-
$1,783 USD
£1,404 GBP
View
Price last confirmed 11 days ago
Retailer 19
-
$1,795 USD
£1,413 GBP
View
Price last confirmed 8 days ago
Retailer 20
-
$2,660 USD
View
Price last confirmed 28 days ago
B
Retailer 21
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$2,845 USD
£2,240 GBP
View
B
Retailer 22
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$2,870 USD
View
B
Retailer 23
-
$2,980 USD
View
Most Expensive
Brilliant Earth
19067400A · Oct 24
$3,420 USD
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $375 USDSave up to $2,605 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
$375 USD