Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG766619917

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG766619917

Diamond specifications and retailer prices

From $262 USD
As of October 30, 2026
Save $2,108 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,370 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766619917 or 766619917. Listed at 18 retailers as of October 30, 2026, with prices from $262 to $2,370, a $2,108 spread on the same certified stone. Brilliant Earth lists it at $2,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766619917
Dimensions8.13 × 5.57 × 3.84 mm
L/W Ratio1.46
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
8.13 mm5.57 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766619917
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 68.9%

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: $2,370 USD|Low: $260 USD|High: $2,860 USD|Avg: $1,011 USD|-17.1%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 16$262 USD
Retailer 17$293 USD
Retailer 15$304 USD
Retailer 12$370 USD
Retailer 5$416 USD
Retailer 3$452 USD
Retailer 11$455 USD
Retailer 2$584 USD
Retailer 4$588 USD
Retailer 14$833 USD
Retailer 9$910 USD
Retailer 6$1,073 USD
Retailer 13$1,152 USD
Retailer 10$1,247 USD
Retailer 7$1,426 USD
Retailer 8$2,150 USD
Retailer 18$2,330 USD
Brilliant Earth$2,370 USD

33 data points across 18 retailers

18 retailers$262 USD to $2,370 USD

A
Cheapest Retailer
-
$262 USD
A
Retailer 2
-
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$304 USD
View
A
Retailer 4
-
$370 USD
£291 GBP
View
A
Retailer 5
-
$416 USD
View
B+
Retailer 6
-
$452 USD
View
A
Retailer 7
-
$455 USD
View
A
Retailer 8
-
$584 USD
€556 EUR
View
A
Retailer 9
-
$588 USD
View
A
Retailer 10
-
$833 USD
A$1,282 AUD
View
A
Retailer 11
-
$910 USD
View
A
Retailer 12
-
$1,073 USD
View
B+
Retailer 13
-
$1,152 USD
View
B+
Retailer 14
-
$1,247 USD
View
B+
Retailer 15
-
$1,426 USD
£1,123 GBP
View
Retailer 16
-
$2,150 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$2,330 USD
View
Most Expensive
B
Brilliant Earth
21401129Y · Oct 30
$2,370 USD
View
17 more retailers have this diamond
Prices start from $262 USDSave up to $2,108 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 Radiant
$262 USD