Round|Lab Grown|IGI

2.56ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG809661864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661864

Diamond specifications and retailer prices

From $603 USD
As of October 31, 2026
Save $4,647 USD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,250 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809661864 or 809661864. Listed at 26 retailers as of October 31, 2026, with prices from $603 to $5,250, a $4,647 spread on the same certified stone. Brilliant Earth lists it at $5,250. 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809661864
Dimensions8.80 × 8.75 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.80 mm8.75 mm2.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809661864
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,250 USD|Low: $603 USD|High: $6,430 USD|Avg: $1,855 USD|-18.4%
Brilliant Earth
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 6$603 USD
Retailer 8$669 USD
Retailer 16$942 USD
Retailer 13$945 USD
Retailer 5$1,003 USD
Retailer 11$1,020 USD
Retailer 2$1,038 USD
Retailer 10$1,485 USD
Retailer 9$1,485 USD
Retailer 7$1,569 USD
Retailer 12$1,614 USD
Retailer 3$1,845 USD
Retailer 4$2,323 USD
Retailer 14$2,795 USD
Retailer 15$4,995 USD
Brilliant Earth$5,250 USD

39 data points across 16 retailers

26 retailers$603 USD to $5,250 USD

Retailer 1
-
$539 USD
Price last confirmed 41 days ago
Retailer 2
-
$539 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$603 USD
View
Final sale: no returns
Retailer 4
-
$604 USD
View
Price last confirmed 40 days ago
Retailer 5
-
$660 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$669 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$669 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
$942 USD
View
A
Retailer 9
-
$945 USD
View
A
Retailer 10
-
$1,003 USD
View
A
Retailer 11
-
$1,020 USD
€971 EUR
View
A
Retailer 12
-
$1,038 USD
£817 GBP
View
A
Retailer 13
-
$1,485 USD
A$2,284 AUD
View
A
Retailer 14
-
$1,485 USD
View
B+
Retailer 15
-
$1,569 USD
View
A
Retailer 16
-
$1,614 USD
ZAR 26,068 ZAR
View
Retailer 17
-
$1,759 USD
View
Price last confirmed 42 days ago
Retailer 18
-
$1,759 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$1,845 USD
View
B+
Retailer 20
-
$2,153 USD
View
B+
Retailer 21
-
$2,171 USD
View
B+
Retailer 22
-
$2,276 USD
View
B+
Retailer 23
-
$2,323 USD
View
B+
Retailer 24
-
$2,795 USD
£2,201 GBP
View
Retailer 25
-
$4,995 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20436236A · Oct 31
$5,250 USD
View
25 more retailers have this diamond
Prices start from $603 USDSave up to $4,647 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 Round
$603 USD