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Round|Lab Grown|IGI

1.11ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG492112504

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112504

Diamond specifications and retailer prices

From £477 GBP
$640 USD
As of November 2, 2026
Save £920 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,337 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 1.11ct lab-grown round diamond

This 1.11ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492112504 or 492112504. Listed at 13 retailers as of November 2, 2026, with a 193% 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

1.11
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112504
Dimensions6.68 × 6.65 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.68 mm6.65 mm1.11 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112504
Side View
Table 59.5%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,337 GBP|Low: £477 GBP|High: £3,671 GBP|Avg: £1,884 GBP|+2.8%
Cape Diamonds
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 3, 2026
Retailer 8£477 GBP
Retailer 10£1,095 GBP
Retailer 14£1,226 GBP
Retailer 11£1,270 GBP
Retailer 13£1,270 GBP
Retailer 15£1,397 GBP
Retailer 5£1,425 GBP
Retailer 3£1,711 GBP
Retailer 12£2,002 GBP
Retailer 9£2,138 GBP
Retailer 4£2,305 GBP
Cape Diamonds£2,337 GBP
Retailer 6£2,578 GBP
Retailer 7£2,843 GBP
Retailer 2£3,628 GBP

23 data points across 15 retailers

13 retailers£477 GBP to £1,397 GBP

B+
Cheapest Retailer
-
£477 GBP
$640 USD
B
Retailer 2
-
£1,095 GBP
$1,469 USD
View
B
Retailer 3
-
£1,192 GBP
$1,599 USD
View
B
Retailer 4
-
£1,226 GBP
$1,645 USD
View
Final sale: no returns
Retailer 5
-
£1,270 GBP
$1,704 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
£1,270 GBP
$1,704 USD
View
B
Retailer 7
-
£1,397 GBP
$1,875 USD
View
Retailer 8
-
£2,002 GBP
$2,686 USD
View
Price under review
Retailer 9
-
£2,138 GBP
€2,733 EUR
View
Price under review
Retailer 10
-
£2,305 GBP
$3,093 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_492112504 · Nov 3
£2,337 GBP
ZAR 50,663 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from £477 GBPSave up to £920 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+
1.11ct Round
£477 GBP