Radiant|Lab Grown|IGI

1.52ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG677520852

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

Certificate IGI LG677520852

Diamond specifications and retailer prices

From $280 USD
As of November 2, 2026
Save $2,570 USD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,850 USD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677520852 or 677520852. Listed at 27 retailers as of October 31, 2026, with prices from $280 to $2,850, a $2,570 spread on the same certified stone. Brilliant Earth lists it at $2,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677520852
Dimensions8.40 × 5.70 × 3.69 mm
L/W Ratio1.47
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
8.40 mm5.70 mm1.52 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677520852
Side View
Table 64.0%Crown 43.8°Girdle: MediumPavilion 33.6°Culet: NoneDepth 64.7%

Caratlytics Score

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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: Nov 2
Current: $2,850 USD|Low: $269 USD|High: $3,290 USD|Avg: $1,071 USD|-13.4%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 4$280 USD
Retailer 23$325 USD
Retailer 22$333 USD
Retailer 25$348 USD
Retailer 3$408 USD
Retailer 7$510 USD
Retailer 16$512 USD
Retailer 8$540 USD
Retailer 14$609 USD
Retailer 20$626 USD
Retailer 13$662 USD
Retailer 2$683 USD
Retailer 9$795 USD
Retailer 15$863 USD
Retailer 21$894 USD
Retailer 6$1,068 USD
Retailer 5$1,234 USD
Retailer 11$1,336 USD
Retailer 18$1,397 USD
Retailer 10$1,447 USD
Retailer 19$1,538 USD
Retailer 17$1,652 USD
Retailer 24$2,475 USD
Retailer 12$2,490 USD
Brilliant Earth$2,850 USD

32 data points across 25 retailers

27 retailers$280 USD to $2,850 USD

A+
Cheapest Retailer
-
$280 USD
A
Retailer 2
-
$325 USD
View
A
Retailer 3
-
$333 USD
View
Final sale: no returns
A
Retailer 4
-
$348 USD
View
A
Retailer 5
-
$510 USD
View
A
Retailer 6
-
$512 USD
HK$4,000 HKD
View
A
Retailer 7
-
$540 USD
View
A
Retailer 8
-
$609 USD
View
A
Retailer 9
-
$626 USD
€596 EUR
View
A
Retailer 10
-
$662 USD
ZAR 10,690 ZAR
View
Retailer 11
-
$675 USD
£531 GBP
View
Price last confirmed 18 days ago
A
Retailer 12
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$683 USD
£538 GBP
View
A
Retailer 13
-
$795 USD
View
A
Retailer 14
-
$863 USD
View
A
Retailer 15
-
$894 USD
A$1,376 AUD
View
B+
Retailer 16
-
$1,068 USD
View
B+
Retailer 17
-
$1,234 USD
View
B+
Retailer 18
-
$1,336 USD
View
B+
Retailer 19
-
$1,397 USD
View
B+
Retailer 20
-
$1,447 USD
View
B+
Retailer 21
-
$1,489 USD
SGD 2,012 SGD
View
B+
Retailer 22
-
$1,538 USD
£1,211 GBP
View
Retailer 23
-
$1,652 USD
A$2,541 AUD
View
Price last confirmed 28 days ago
B
Retailer 24
-
$2,475 USD
View
Retailer 25
-
$2,490 USD
View
Price last confirmed 35 days ago
B
Retailer 26
-
$2,490 USD
View
Most Expensive
B
Brilliant Earth
13509688Y · Oct 31
$2,850 USD
View
26 more retailers have this diamond
Prices start from $280 USDSave up to $2,570 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
$280 USD