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Radiant|Lab Grown|IGI

1.54ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801686058

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

Certificate IGI LG801686058

Diamond specifications and retailer prices

From $528 USD
As of October 30, 2026
Save $4,162 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,690 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG801686058 or 801686058. Listed at 14 retailers as of October 30, 2026, with prices from $528 to $4,690, a $4,162 spread on the same certified stone. Do Amore Diamonds lists it at $4,690. 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 angle44.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801686058
Dimensions8.09 × 5.76 × 3.86 mm
L/W Ratio1.40
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
8.09 mm5.76 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801686058
Side View
Table 61.0%Crown 44.1°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.0%

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: $4,690 USD|Low: $528 USD|High: $5,470 USD|Avg: $2,003 USD|-14.3%
Do Amore Diamonds
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 9$528 USD
Retailer 14$591 USD
Retailer 6$700 USD
Retailer 11$784 USD
Retailer 4$785 USD
Retailer 5$893 USD
Retailer 10$1,013 USD
Retailer 7$1,158 USD
Retailer 12$1,688 USD
Retailer 13$1,899 USD
Retailer 2$3,136 USD
Retailer 8$3,320 USD
Retailer 3$3,655 USD
Do Amore Diamonds$4,690 USD

33 data points across 14 retailers

14 retailers$528 USD to $4,690 USD

A
Cheapest Retailer
-
$528 USD
A
Retailer 2
-
$591 USD
View
A
Retailer 3
-
$700 USD
View
Final sale: no returns
A
Retailer 4
-
$784 USD
View
A
Retailer 5
-
$785 USD
View
A
Retailer 6
-
$893 USD
View
A
Retailer 7
-
$1,013 USD
View
B+
Retailer 8
-
$1,158 USD
€1,103 EUR
View
B+
Retailer 9
-
$1,688 USD
View
B+
Retailer 10
-
$1,899 USD
View
B
Retailer 11
-
$3,136 USD
£2,469 GBP
View
B
Retailer 12
-
$3,320 USD
View
B
Retailer 13
-
$3,655 USD
View
Most Expensive
B
Do Amore Diamonds
27-FC6410DA3 · Nov 1
$4,690 USD
View
13 more retailers have this diamond
Prices start from $528 USDSave up to $4,162 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
$528 USD