Radiant|Lab Grown|IGI

2.56ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816608558

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

Certificate IGI LG816608558

Diamond specifications and retailer prices

From $1,375 USD
As of October 31, 2026
Save $7,805 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,180 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.56ct lab-grown radiant diamond

This 2.56ct 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 LG816608558 or 816608558. Listed at 12 retailers as of October 30, 2026, with prices from $1,375 to $9,180, a $7,805 spread on the same certified stone. Do Amore Diamonds lists it at $9,180. 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

2.56
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608558
Dimensions9.37 × 6.69 × 4.82 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
9.37 mm6.69 mm2.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608558
Side View
Table 64.0%Crown 46.3°Girdle: THK-VTKPavilion 36.7°Culet: NoneDepth 72.0%

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 31
Current: $9,180 USD|Low: $1,375 USD|High: $11,890 USD|Avg: $5,366 USD|-22.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2$1,375 USD
Retailer 5$1,913 USD
Retailer 8$2,080 USD
Retailer 7$2,225 USD
Retailer 6$2,506 USD
Retailer 4$4,276 USD
Retailer 9$5,710 USD
Retailer 3$6,230 USD
Do Amore Diamonds$9,180 USD
Retailer 10$9,423 USD

27 data points across 10 retailers

12 retailers$1,375 USD to $9,180 USD

A
Cheapest Retailer
-
$1,375 USD
Retailer 2
-
$1,657 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$1,878 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,913 USD
View
A
Retailer 5
-
$2,080 USD
View
Retailer 6
-
$2,225 USD
€2,119 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$2,506 USD
View
Retailer 8
-
$4,143 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
$4,276 USD
£3,367 GBP
View
Retailer 10
-
$5,710 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$6,230 USD
View
Most Expensive
B
Do Amore Diamonds
27-38F93DA12 · Oct 30
$9,180 USD
View
11 more retailers have this diamond
Prices start from $1,375 USDSave up to $7,805 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
2.56ct Radiant
$1,375 USD