Radiant|Lab Grown|IGI

2.56ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG811635410

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

Certificate IGI LG811635410

Diamond specifications and retailer prices

From $1,352 USD
As of October 30, 2026
Save $7,828 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,180 USD at Do Amore Diamonds · As of October 31, 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 LG811635410 or 811635410. Listed at 13 retailers as of October 30, 2026, with prices from $1,352 to $9,180, a $7,828 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 angle41.6°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635410
Dimensions9.93 × 6.70 × 4.37 mm
L/W Ratio1.48
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
9.93 mm6.70 mm2.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635410
Side View
Table 65.0%Crown 41.6°Girdle: ThickPavilion 32.5°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,180 USD|Low: $1,352 USD|High: $11,890 USD|Avg: $4,442 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 6$1,352 USD
Retailer 2$1,375 USD
Retailer 5$1,913 USD
Retailer 9$2,080 USD
Retailer 8$2,225 USD
Retailer 7$2,506 USD
Retailer 4$4,276 USD
Retailer 10$5,710 USD
Retailer 3$7,000 USD
Do Amore Diamonds$9,180 USD

29 data points across 10 retailers

13 retailers$1,352 USD to $9,180 USD

A
Cheapest Retailer
-
$1,352 USD
A
Retailer 2
-
$1,375 USD
View
Retailer 3
-
$1,657 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$1,878 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$1,913 USD
View
A
Retailer 6
-
$2,080 USD
View
Retailer 7
-
$2,225 USD
€2,119 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,506 USD
View
Retailer 9
-
$4,143 USD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$4,276 USD
£3,367 GBP
View
Retailer 11
-
$5,710 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$7,000 USD
View
Most Expensive
B
Do Amore Diamonds
27-42043347B · Oct 31
$9,180 USD
View
12 more retailers have this diamond
Prices start from $1,352 USDSave up to $7,828 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
$1,352 USD