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Radiant|Lab Grown|IGI

1.52ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG778695330

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

Certificate IGI LG778695330

Diamond specifications and retailer prices

From $261 USD
As of October 27, 2026
Save $1,069 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,950 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct 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 LG778695330 or 778695330. Listed at 23 retailers as of October 27, 2026, with a 410% 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

1.52
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778695330
Dimensions7.80 × 5.80 × 3.92 mm
L/W Ratio1.34
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 mm5.80 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778695330
Side View
Table 61.0%Crown 44.2°Girdle: MediumPavilion 36°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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 27
Current: $2,860 USD|Low: $291 USD|High: $2,860 USD|Avg: $892 USD
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
October 28, 2026
Retailer 8$291 USD
Retailer 15$485 USD
Retailer 4$539 USD
Retailer 12$551 USD
Retailer 2$557 USD
Retailer 6$587 USD
Retailer 9$618 USD
Retailer 10$753 USD
Retailer 14$813 USD
Retailer 5$1,014 USD
Retailer 16$1,040 USD
Retailer 7$1,093 USD
Retailer 11$1,178 USD
Retailer 13$1,306 USD
Retailer 3$1,330 USD
Brilliant Earth$2,860 USD

36 data points across 16 retailers

23 retailers$261 USD to $1,330 USD

A
Cheapest Retailer
-
$261 USD
A
Retailer 2
-
$291 USD
View
Final sale: no returns
A
Retailer 3
-
$303 USD
View
A
Retailer 4
-
$324 USD
View
A
Retailer 5
-
$324 USD
View
A
Retailer 6
-
$485 USD
View
A
Retailer 7
-
$539 USD
View
A
Retailer 8
-
$551 USD
€525 EUR
View
A
Retailer 9
-
$557 USD
ZAR 8,991 ZAR
View
A
Retailer 10
-
$587 USD
View
A
Retailer 11
-
$618 USD
£486 GBP
View
A
Retailer 12
-
$753 USD
A$1,159 AUD
View
A
Retailer 13
-
$813 USD
View
A
Retailer 14
-
$1,014 USD
View
A
Retailer 15
-
$1,040 USD
SGD 1,406 SGD
View
B+
Retailer 16
-
$1,041 USD
View
B+
Retailer 17
-
$1,093 USD
View
B+
Retailer 18
-
$1,155 USD
View
B+
Retailer 19
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$1,178 USD
View
B+
Retailer 20
-
$1,306 USD
£1,028 GBP
View
Price last confirmed 8 days ago
B+
Retailer 21
-
$1,330 USD
View
B
Retailer 22
-
$2,860 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
18480067A · Sep 28
$2,950 USD
View
Price last confirmed 31 days ago
22 more retailers have this diamond
Prices start from $261 USDSave up to $1,069 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
1.52ct Radiant
$261 USD