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Round|Lab Grown|IGI

2.05ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG683520868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683520868

Diamond specifications and retailer prices

From £296 GBP
$396 USD
As of October 29, 2026
Save £1,646 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,942 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520868 or 683520868. Listed at 20 retailers as of October 29, 2026, with prices from £296 to £1,942, a £1,646 spread on the same certified stone. Adiamor lists it at £1,942. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.05
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520868
Dimensions8.17 × 8.13 × 5.02 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
8.17 mm8.13 mm2.05 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520868
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: Oct 29
Current: £478 GBP|Low: £284 GBP|High: £1,627 GBP|Avg: £750 GBP
Retailer 1
Retailer 2
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Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 3£296 GBP
Retailer 9£330 GBP
Retailer 6£331 GBP
Retailer 2£366 GBP
Retailer 4£366 GBP
Retailer 1£478 GBP
Retailer 18£504 GBP
Retailer 10£564 GBP
Retailer 12£593 GBP
Retailer 11£595 GBP
Retailer 13£811 GBP
Retailer 14£884 GBP
Retailer 17£1,028 GBP
Retailer 5£1,178 GBP
Retailer 7£1,357 GBP
Retailer 8£1,373 GBP
Retailer 16£1,440 GBP
Retailer 15£1,612 GBP

44 data points across 18 retailers

20 retailers£296 GBP to £1,942 GBP

A
Cheapest Retailer
-
£296 GBP
$396 USD
A
Retailer 2
-
£330 GBP
$442 USD
View
Final sale: no returns
A
Retailer 3
-
£331 GBP
$443 USD
View
A
Retailer 4
-
£366 GBP
$491 USD
View
A
Retailer 5
-
£366 GBP
$491 USD
View
A
Retailer 6
-
£478 GBP
$640 USD
View
A
Retailer 7
-
£504 GBP
$675 USD
View
A
Retailer 8
-
£564 GBP
$756 USD
View
A
Retailer 9
-
£593 GBP
View
A
Retailer 10
-
£595 GBP
View
A
Retailer 11
-
£811 GBP
A$1,671 AUD
View
A
Retailer 12
-
£884 GBP
ZAR 19,130 ZAR
View
B+
Retailer 13
-
£1,028 GBP
$1,377 USD
View
B+
Retailer 14
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£1,178 GBP
$1,578 USD
View
B+
Retailer 15
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£1,205 GBP
$1,615 USD
View
B+
Retailer 16
-
£1,357 GBP
$1,819 USD
View
B+
Retailer 17
-
£1,373 GBP
$1,839 USD
View
Retailer 18
-
£1,440 GBP
View
Price last confirmed 10 days ago
B
Retailer 19
-
£1,612 GBP
$2,160 USD
View
Most Expensive
B
Adiamor
D-66780018 · Oct 31
£1,942 GBP
$2,602 USD
View
19 more retailers have this diamond
Prices start from £296 GBPSave up to £1,646 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
£296 GBP