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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG794609681

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609681

Diamond specifications and retailer prices

From $259 USD
As of October 29, 2026
Save $1,291 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,550 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.05ct lab-grown round diamond

This 2.05ct 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 LG794609681 or 794609681. Listed at 19 retailers as of October 29, 2026, with prices from $259 to $1,550, a $1,291 spread on the same certified stone. Brilliant Earth lists it at $1,550. 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

2.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609681
Dimensions8.24 × 8.22 × 4.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm8.22 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609681
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.1%

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 29
Current: $1,550 USD|Low: $250 USD|High: $1,610 USD|Avg: $675 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$259 USD
Retailer 11$288 USD
Retailer 17$300 USD
Retailer 2$321 USD
Retailer 7$480 USD
Retailer 4$528 USD
Retailer 18$535 USD
Retailer 15$577 USD
Retailer 9$603 USD
Retailer 12$611 USD
Retailer 16$680 USD
Retailer 14$820 USD
Retailer 13$1,031 USD
Retailer 10$1,035 USD
Retailer 5$1,035 USD
Retailer 3$1,082 USD
Retailer 8$1,294 USD
Brilliant Earth$1,550 USD

28 data points across 18 retailers

19 retailers$259 USD to $1,550 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$300 USD
View
A
Retailer 4
-
$321 USD
View
A
Retailer 5
-
$323 USD
View
A
Retailer 6
-
$480 USD
View
A
Retailer 7
-
$528 USD
£416 GBP
View
B+
Retailer 8
-
$535 USD
View
A
Retailer 9
-
$577 USD
View
A
Retailer 10
-
$603 USD
A$928 AUD
View
A
Retailer 11
-
$611 USD
£481 GBP
View
A
Retailer 12
-
$680 USD
View
B+
Retailer 13
-
$820 USD
View
B+
Retailer 14
-
$1,031 USD
View
Retailer 15
-
$1,035 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$1,035 USD
SGD 1,399 SGD
View
B
Retailer 17
-
$1,082 USD
View
B
Retailer 18
-
$1,294 USD
£1,019 GBP
View
Most Expensive
B
Brilliant Earth
21503091A · Oct 30
$1,550 USD
View
18 more retailers have this diamond
Prices start from $259 USDSave up to $1,291 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
2.05ct Round
$259 USD