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Round|Lab Grown|IGI

2.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG779631733

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779631733

Diamond specifications and retailer prices

From $311 USD
As of November 4, 2026
Save $2,269 USD (88%) vs most expensive(unlock to see where)
14 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 LG779631733 or 779631733. Listed at 14 retailers as of November 4, 2026, with prices from $311 to $2,580, a $2,269 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 angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779631733
Dimensions8.16 × 8.19 × 5.02 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
8.16 mm8.19 mm2.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779631733
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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 4
Current: $2,580 USD|Low: $311 USD|High: $2,630 USD|Avg: $1,013 USD|-1.9%
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
November 5, 2026
Retailer 3$311 USD
Retailer 12$486 USD
Retailer 7$505 USD
Retailer 11$505 USD
Retailer 13$554 USD
Retailer 14$592 USD
Retailer 9$596 USD
Retailer 8$669 USD
Retailer 10$700 USD
Retailer 6$1,225 USD
Retailer 4$1,388 USD
Retailer 5$1,424 USD
Retailer 15$1,440 USD
Retailer 2$1,522 USD
Brilliant Earth$2,580 USD

39 data points across 15 retailers

14 retailers$311 USD to $2,580 USD

A
Cheapest Retailer
-
$311 USD
Final sale: no returns
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$505 USD
View
A
Retailer 4
-
$505 USD
View
A
Retailer 5
-
$592 USD
View
A
Retailer 6
-
$596 USD
View
A
Retailer 7
-
$669 USD
View
A
Retailer 8
-
$700 USD
View
B
Retailer 9
-
$1,225 USD
View
B
Retailer 10
-
$1,388 USD
View
B
Retailer 11
-
$1,424 USD
View
B
Retailer 12
-
$1,440 USD
View
B
Retailer 13
-
$1,522 USD
View
Most Expensive
B
Brilliant Earth
18111141A · Nov 5
$2,580 USD
View
13 more retailers have this diamond
Prices start from $311 USDSave up to $2,269 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
$311 USD