Radiant|Lab Grown|IGI

2.57ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830624738

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

Certificate IGI LG830624738

Diamond specifications and retailer prices

From $1,038 USD
As of October 30, 2026
Save $8,182 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,220 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624738 or 830624738. Listed at 16 retailers as of October 29, 2026, with prices from $1,038 to $9,220, a $8,182 spread on the same certified stone. Do Amore Diamonds lists it at $9,220. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624738
Dimensions9.80 × 6.83 × 4.48 mm
L/W Ratio1.43
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
9.80 mm6.83 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624738
Side View
Table 62.0%Crown 40.2°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.6%

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: $9,220 USD|Low: $1,038 USD|High: $11,920 USD|Avg: $4,778 USD|-22.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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 30, 2026
Retailer 13$1,038 USD
Retailer 3$1,129 USD
Retailer 15$1,357 USD
Retailer 12$1,405 USD
Retailer 11$1,767 USD
Retailer 14$1,919 USD
Retailer 7$2,096 USD
Retailer 6$2,234 USD
Retailer 17$2,491 USD
Retailer 16$2,516 USD
Retailer 5$3,424 USD
Retailer 18$4,275 USD
Retailer 8$5,735 USD
Retailer 2$6,250 USD
Retailer 4$6,862 USD
Retailer 9$7,187 USD
Do Amore Diamonds$9,220 USD
Retailer 10$9,329 USD

34 data points across 18 retailers

16 retailers$1,038 USD to $9,220 USD

A
Cheapest Retailer
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$1,038 USD
A
Retailer 2
-
$1,129 USD
View
A
Retailer 3
-
$1,357 USD
View
A
Retailer 4
-
$1,405 USD
View
A
Retailer 5
-
$1,590 USD
View
A
Retailer 6
-
$1,919 USD
View
A
Retailer 7
-
$2,096 USD
View
Retailer 8
-
$2,234 USD
€2,128 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,491 USD
View
A
Retailer 10
-
$2,516 USD
View
B+
Retailer 11
-
$3,424 USD
View
B+
Retailer 12
-
$4,275 USD
£3,366 GBP
View
Retailer 13
-
$5,735 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$6,250 USD
View
B
Retailer 15
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$6,862 USD
View
Most Expensive
B
Do Amore Diamonds
27-0F12B062A · Oct 29
$9,220 USD
View
15 more retailers have this diamond
Prices start from $1,038 USDSave up to $8,182 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
2.57ct Radiant
$1,038 USD