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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG799648890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648890

Diamond specifications and retailer prices

From $260 USD
As of October 29, 2026
Save $1,290 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,550 USD at Brilliant Earth · As of October 31, 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 LG799648890 or 799648890. Listed at 20 retailers as of October 29, 2026, with prices from $260 to $1,550, a $1,290 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 angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648890
Dimensions8.22 × 8.17 × 5.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm8.17 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648890
Side View
Table 59.0%Crown 34.8°Girdle: THN-MEDPavilion 41.2°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: Oct 29
Current: $1,550 USD|Low: $251 USD|High: $1,630 USD|Avg: $729 USD|-0.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 6$260 USD
Retailer 13$291 USD
Retailer 18$302 USD
Retailer 12$323 USD
Retailer 10$324 USD
Retailer 14$480 USD
Retailer 3$537 USD
Retailer 8$578 USD
Retailer 9$603 USD
Retailer 11$615 USD
Retailer 17$682 USD
Retailer 16$830 USD
Retailer 2$1,025 USD
Retailer 15$1,037 USD
Retailer 5$1,040 USD
Retailer 4$1,088 USD
Retailer 7$1,307 USD
Brilliant Earth$1,550 USD

36 data points across 18 retailers

20 retailers$260 USD to $1,550 USD

Retailer 1
-
$254 USD
Price last confirmed 43 days ago
A
Retailer 2
-
$260 USD
View
A
Retailer 3
-
$291 USD
View
Final sale: no returns
A
Retailer 4
-
$302 USD
View
Retailer 5
-
$311 USD
View
Price last confirmed 42 days ago
A
Retailer 6
-
$323 USD
View
Retailer 7
-
$324 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$480 USD
View
B+
Retailer 9
-
$537 USD
View
A
Retailer 10
-
$578 USD
View
A
Retailer 11
-
$603 USD
A$928 AUD
View
A
Retailer 12
-
$615 USD
£484 GBP
View
A
Retailer 13
-
$682 USD
View
B+
Retailer 14
-
$830 USD
View
B+
Retailer 15
-
$1,025 USD
View
B+
Retailer 16
-
$1,037 USD
View
B+
Retailer 17
-
$1,040 USD
SGD 1,406 SGD
View
B
Retailer 18
-
$1,088 USD
View
B
Retailer 19
-
$1,307 USD
£1,029 GBP
View
Most Expensive
B
Brilliant Earth
21492567A · Oct 31
$1,550 USD
View
19 more retailers have this diamond
Prices start from $260 USDSave up to $1,290 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
$260 USD