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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 £194 GBP
$260 USD
As of November 1, 2026
Save £963 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,157 GBP 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 31, 2026, with prices from £194 to £1,157, a £963 spread on the same certified stone. Brilliant Earth lists it at £1,157. 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
Colour
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

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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 1
Current: £1,157 GBP|Low: £187 GBP|High: £1,217 GBP|Avg: £544 GBP|-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 2, 2026
Retailer 6£194 GBP
Retailer 13£217 GBP
Retailer 18£225 GBP
Retailer 12£241 GBP
Retailer 10£242 GBP
Retailer 14£358 GBP
Retailer 3£401 GBP
Retailer 8£431 GBP
Retailer 9£450 GBP
Retailer 2£459 GBP
Retailer 17£509 GBP
Retailer 16£619 GBP
Retailer 11£765 GBP
Retailer 15£774 GBP
Retailer 5£777 GBP
Retailer 4£812 GBP
Retailer 7£975 GBP
Brilliant Earth£1,157 GBP

37 data points across 18 retailers

20 retailers£194 GBP to £1,157 GBP

Retailer 1
-
£190 GBP
$254 USD
Price last confirmed 44 days ago
A
Retailer 2
-
£194 GBP
$260 USD
View
A
Retailer 3
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 4
-
£225 GBP
$302 USD
View
Retailer 5
-
£232 GBP
$311 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
£241 GBP
$323 USD
View
Retailer 7
-
£242 GBP
$324 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
£358 GBP
$480 USD
View
B+
Retailer 9
-
£401 GBP
$537 USD
View
A
Retailer 10
-
£431 GBP
$578 USD
View
A
Retailer 11
-
£450 GBP
A$928 AUD
View
A
Retailer 12
-
£459 GBP
View
A
Retailer 13
-
£509 GBP
$682 USD
View
B+
Retailer 14
-
£619 GBP
$830 USD
View
B+
Retailer 15
-
£765 GBP
$1,025 USD
View
B+
Retailer 16
-
£774 GBP
$1,037 USD
View
B+
Retailer 17
-
£777 GBP
SGD 1,406 SGD
View
B
Retailer 18
-
£812 GBP
$1,088 USD
View
B
Retailer 19
-
£975 GBP
View
Most Expensive
B
Brilliant Earth
21492567A · Oct 31
£1,157 GBP
$1,550 USD
View
19 more retailers have this diamond
Prices start from £194 GBPSave up to £963 GBP

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
£194 GBP