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Round|Lab Grown|IGI

1.09ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492113510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113510

Diamond specifications and retailer prices

From £646 GBP
$860 USD
As of October 29, 2026
Save £653 GBP (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,195 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492113510 or 492113510. Listed at 13 retailers as of October 29, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113510
Dimensions6.59 × 6.60 × 4.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.59 mm6.60 mm1.09 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113510
Side View
Table 55.5%Crown 34.7°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,195 GBP|Low: £646 GBP|High: £3,813 GBP|Avg: £1,622 GBP
NZ Jewellers
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
October 30, 2026
Retailer 10£646 GBP
Retailer 9£1,009 GBP
Retailer 3£1,099 GBP
Retailer 14£1,131 GBP
Retailer 11£1,171 GBP
Retailer 13£1,171 GBP
Retailer 4£1,299 GBP
Retailer 5£1,594 GBP
Retailer 12£1,850 GBP
Retailer 2£1,887 GBP
Retailer 7£2,001 GBP
Retailer 6£2,183 GBP
NZ Jewellers£2,195 GBP
Retailer 8£3,782 GBP

41 data points across 14 retailers

13 retailers£646 GBP to £1,299 GBP

B
Cheapest Retailer
-
£646 GBP
$860 USD
B
Retailer 2
-
£1,009 GBP
$1,344 USD
View
B
Retailer 3
-
£1,099 GBP
$1,463 USD
View
B
Retailer 4
-
£1,131 GBP
$1,506 USD
View
Final sale: no returns
Retailer 5
-
£1,171 GBP
$1,559 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
£1,171 GBP
$1,559 USD
View
B
Retailer 7
-
£1,299 GBP
$1,730 USD
View
Retailer 8
-
£1,850 GBP
$2,464 USD
View
Price under review
Retailer 9
-
£1,887 GBP
View
Price under review
Retailer 10
-
£2,001 GBP
€2,538 EUR
View
Price under review
Retailer 11
-
£2,183 GBP
$2,907 USD
View
Price under review
Most Expensive
NZ Jewellers
248841e5-746b-4235-aee4-221d006de93a · Oct 27
£2,195 GBP
$2,923 USD
View
Price under review
11 more retailers have this diamond
Prices start from £646 GBPSave up to £653 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.

B
1.09ct Round
£646 GBP