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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG636457387

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636457387

Diamond specifications and retailer prices

From $245 USD
As of October 29, 2026
Save $1,115 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,360 USD at Brilliant Earth · As of October 29, 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 LG636457387 or 636457387. Listed at 16 retailers as of October 29, 2026, with prices from $245 to $1,360, a $1,115 spread on the same certified stone. Brilliant Earth lists it at $1,360. 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 angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636457387
Dimensions8.26 × 8.21 × 4.94 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
8.26 mm8.21 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636457387
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

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 29
Current: $1,360 USD|Low: $235 USD|High: $1,440 USD|Avg: $639 USD|-5.6%
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
October 29, 2026
Retailer 10$245 USD
Retailer 11$284 USD
Retailer 3$303 USD
Retailer 12$303 USD
Retailer 7$501 USD
Retailer 13$511 USD
Retailer 8$513 USD
Retailer 2$574 USD
Retailer 5$575 USD
Retailer 9$800 USD
Retailer 4$975 USD
Retailer 6$1,222 USD
Brilliant Earth$1,360 USD

44 data points across 13 retailers

16 retailers$245 USD to $1,360 USD

A
Cheapest Retailer
-
$245 USD
A
Retailer 2
-
$284 USD
View
A
Retailer 3
-
$303 USD
View
A
Retailer 4
-
$303 USD
View
A
Retailer 5
-
$501 USD
£394 GBP
View
B+
Retailer 6
-
$511 USD
View
A
Retailer 7
-
$513 USD
€489 EUR
View
A
Retailer 8
-
$572 USD
View
A
Retailer 9
-
$574 USD
£452 GBP
View
A
Retailer 10
-
$575 USD
View
B+
Retailer 11
-
$800 USD
View
B+
Retailer 12
-
$890 USD
View
Price last confirmed 43 days ago
B+
Retailer 13
-
$975 USD
View
B+
Retailer 14
-
$1,027 USD
View
B
Retailer 15
-
$1,222 USD
£962 GBP
View
Most Expensive
B
Brilliant Earth
14981592A · Oct 29
$1,360 USD
View
15 more retailers have this diamond
Prices start from $245 USDSave up to $1,115 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
$245 USD