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Round|Lab Grown|IGI

2.60ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG788619648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788619648

Diamond specifications and retailer prices

From $326 USD
As of November 1, 2026
Save $1,634 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,960 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 2.6ct lab-grown round diamond

This 2.6ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788619648 or 788619648. Listed at 17 retailers as of November 1, 2026, with prices from $326 to $1,960, a $1,634 spread on the same certified stone. Brilliant Earth lists it at $1,960. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.60
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788619648
Dimensions8.86 × 8.81 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.86 mm8.81 mm2.60 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788619648
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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: Nov 1
Current: $1,960 USD|Low: $313 USD|High: $1,960 USD|Avg: $847 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$326 USD
Retailer 4$405 USD
Retailer 12$405 USD
Retailer 10$560 USD
Retailer 3$655 USD
Retailer 7$657 USD
Retailer 6$664 USD
Retailer 2$716 USD
Retailer 5$1,015 USD
Retailer 9$1,580 USD
Retailer 8$1,622 USD
Brilliant Earth$1,960 USD

39 data points across 12 retailers

17 retailers$326 USD to $1,960 USD

A
Cheapest Retailer
-
$326 USD
A
Retailer 2
-
$378 USD
View
A
Retailer 3
-
$405 USD
View
Retailer 4
-
$405 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$560 USD
View
B+
Retailer 6
-
$655 USD
View
A
Retailer 7
-
$657 USD
€626 EUR
View
A
Retailer 8
-
$664 USD
£523 GBP
View
A
Retailer 9
-
$705 USD
View
A
Retailer 10
-
$716 USD
£563 GBP
View
B+
Retailer 11
-
$829 USD
View
B+
Retailer 12
-
$1,015 USD
View
B+
Retailer 13
-
$1,301 USD
View
B
Retailer 14
-
$1,345 USD
View
B
Retailer 15
-
$1,580 USD
View
B
Retailer 16
-
$1,622 USD
£1,277 GBP
View
Most Expensive
B
Brilliant Earth
18656868A · Nov 1
$1,960 USD
View
16 more retailers have this diamond
Prices start from $326 USDSave up to $1,634 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
2.60ct Round
$326 USD