Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784646891

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

Certificate IGI LG784646891

Diamond specifications and retailer prices

From $1,347 USD
As of October 30, 2026
Save $7,803 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,150 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown radiant diamond

This 2.55ct 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 LG784646891 or 784646891. Listed at 14 retailers as of October 30, 2026, with prices from $1,347 to $9,150, a $7,803 spread on the same certified stone. Do Amore Diamonds lists it at $9,150. 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

2.55
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646891
Dimensions9.76 × 6.93 × 4.40 mm
L/W Ratio1.41
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
9.76 mm6.93 mm2.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646891
Side View
Table 64.0%Crown 42.5°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $9,150 USD|Low: $1,347 USD|High: $11,840 USD|Avg: $4,504 USD|-22.7%
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
October 31, 2026
Retailer 8$1,347 USD
Retailer 2$1,370 USD
Retailer 7$1,906 USD
Retailer 3$2,036 USD
Retailer 11$2,065 USD
Retailer 10$2,217 USD
Retailer 9$2,497 USD
Retailer 6$4,260 USD
Retailer 12$5,690 USD
Retailer 5$6,980 USD
Retailer 4$7,719 USD
Do Amore Diamonds$9,150 USD

28 data points across 12 retailers

14 retailers$1,347 USD to $9,150 USD

A
Cheapest Retailer
-
$1,347 USD
A
Retailer 2
-
$1,370 USD
View
Retailer 3
-
$1,651 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$1,871 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$1,906 USD
View
A
Retailer 6
-
$2,036 USD
View
Final sale: no returns
A
Retailer 7
-
$2,065 USD
View
Retailer 8
-
$2,217 USD
€2,111 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,497 USD
View
Retailer 10
-
$4,127 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$4,260 USD
£3,354 GBP
View
Retailer 12
-
$5,690 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$6,980 USD
View
Most Expensive
B
Do Amore Diamonds
27-3A6A4C455 · Oct 30
$9,150 USD
View
13 more retailers have this diamond
Prices start from $1,347 USDSave up to $7,803 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
2.55ct Radiant
$1,347 USD