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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG559255934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559255934

Diamond specifications and retailer prices

From $303 USD
As of November 5, 2026
Save $2,277 USD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,580 USD at Brilliant Earth · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559255934 or 559255934. Listed at 17 retailers as of November 5, 2026, with prices from $303 to $2,580, a $2,277 spread on the same certified stone. Brilliant Earth lists it at $2,580. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559255934
Dimensions8.20 × 8.17 × 4.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.20 mm8.17 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559255934
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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 5
Current: $2,580 USD|Low: $303 USD|High: $2,660 USD|Avg: $906 USD|-3.0%
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
November 5, 2026
Retailer 12$303 USD
Retailer 3$339 USD
Retailer 13$376 USD
Retailer 11$505 USD
Retailer 9$530 USD
Retailer 8$606 USD
Retailer 4$644 USD
Retailer 6$658 USD
Retailer 10$943 USD
Retailer 7$1,125 USD
Retailer 5$1,254 USD
Retailer 2$1,501 USD
Brilliant Earth$2,580 USD

44 data points across 13 retailers

17 retailers$303 USD to $2,580 USD

A
Cheapest Retailer
-
$303 USD
A
Retailer 2
-
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$351 USD
View
Retailer 4
-
$376 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$376 USD
View
B+
Retailer 6
-
$505 USD
View
A
Retailer 7
-
$530 USD
View
A
Retailer 8
-
$606 USD
View
A
Retailer 9
-
$644 USD
View
A
Retailer 10
-
$658 USD
View
B+
Retailer 11
-
$943 USD
View
B+
Retailer 12
-
$1,125 USD
View
B
Retailer 13
-
$1,207 USD
View
B
Retailer 14
-
$1,254 USD
View
B
Retailer 15
-
$1,501 USD
View
Most Expensive
B
Brilliant Earth
21311940A · Nov 5
$2,580 USD
View
15 more retailers have this diamond
Prices start from $303 USDSave up to $2,277 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
$303 USD