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Radiant|Lab Grown|IGI

1.54ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629932

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

Certificate IGI LG768629932

Diamond specifications and retailer prices

From $866 USD
As of October 30, 2026
Save $2,789 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,655 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629932 or 768629932. Listed at 14 retailers as of October 28, 2026, with prices from $866 to $3,655, a $2,789 spread on the same certified stone. Rare Carat lists it at $3,655. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629932
Dimensions8.08 × 5.78 × 3.83 mm
L/W Ratio1.40
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
8.08 mm5.78 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629932
Side View
Table 64.0%Crown 43.1°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 66.3%

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 30
Current: $3,655 USD|Low: $866 USD|High: $4,880 USD|Avg: $2,050 USD|-1.3%
Rare Carat
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
November 1, 2026
Retailer 5$866 USD
Retailer 13$871 USD
Retailer 11$896 USD
Retailer 6$1,012 USD
Retailer 8$1,097 USD
Retailer 7$1,121 USD
Retailer 10$1,233 USD
Retailer 4$1,694 USD
Retailer 12$2,410 USD
Retailer 14$2,440 USD
Retailer 3$2,851 USD
Retailer 2$3,115 USD
Retailer 9$3,170 USD
Rare Carat$3,655 USD

43 data points across 14 retailers

14 retailers$866 USD to $3,655 USD

A
Cheapest Retailer
-
$866 USD
A
Retailer 2
-
$871 USD
View
A
Retailer 3
-
$896 USD
HK$7,000 HKD
View
A
Retailer 4
-
$1,012 USD
View
A
Retailer 5
-
$1,097 USD
€1,045 EUR
View
A
Retailer 6
-
$1,121 USD
£883 GBP
View
B+
Retailer 7
-
$1,233 USD
ZAR 19,922 ZAR
View
B+
Retailer 8
-
$1,694 USD
View
B
Retailer 9
-
$2,410 USD
View
B
Retailer 10
-
$2,440 USD
View
B
Retailer 11
-
$2,851 USD
View
B
Retailer 12
-
$3,115 USD
£2,453 GBP
View
B
Retailer 13
-
$3,170 USD
View
Most Expensive
B
Rare Carat
51487 · Oct 28
$3,655 USD
View
13 more retailers have this diamond
Prices start from $866 USDSave up to $2,789 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
1.54ct Radiant
$866 USD