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Round|Lab Grown|IGI

1.00ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG492112683

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112683

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 31, 2026
Save £758 GBP (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,049 GBP at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1ct lab-grown round diamond

This 1ct 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 LG492112683 or 492112683. Listed at 12 retailers as of October 31, 2026, with a 172% 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

1.00
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112683
Dimensions6.48 × 6.57 × 3.95 mm
L/W Ratio1.01
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
6.48 mm6.57 mm1.00 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112683
Side View
Table 55.5%Crown 31.5°Girdle: THN-STKPavilion 41.5°Culet: NoneDepth 60.8%

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: Oct 31
Current: £2,049 GBP|Low: £440 GBP|High: £3,483 GBP|Avg: £1,587 GBP
Friendly 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
October 30, 2026
Retailer 2£440 GBP
Retailer 8£922 GBP
Retailer 13£1,003 GBP
Retailer 11£1,033 GBP
Retailer 9£1,069 GBP
Retailer 3£1,198 GBP
Retailer 4£1,492 GBP
Retailer 10£1,695 GBP
Retailer 6£1,831 GBP
Retailer 12£2,005 GBP
Friendly Diamonds£2,049 GBP
Retailer 5£2,394 GBP
Retailer 7£3,442 GBP

16 data points across 13 retailers

12 retailers£440 GBP to £1,198 GBP

B+
Cheapest Retailer
-
£440 GBP
$590 USD
B
Retailer 2
-
£922 GBP
$1,236 USD
View
B
Retailer 3
-
£1,003 GBP
$1,344 USD
View
B
Retailer 4
-
£1,033 GBP
$1,384 USD
View
Final sale: no returns
Retailer 5
-
£1,069 GBP
$1,433 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
£1,069 GBP
$1,433 USD
View
B
Retailer 7
-
£1,198 GBP
$1,605 USD
View
Retailer 8
-
£1,695 GBP
$2,271 USD
View
Price under review
Retailer 9
-
£1,831 GBP
€2,336 EUR
View
Price under review
Retailer 10
-
£2,005 GBP
$2,687 USD
View
Price under review
Most Expensive
Friendly Diamonds
1595486 · Oct 30
£2,049 GBP
$2,746 USD
View
Price under review
10 more retailers have this diamond
Prices start from £440 GBPSave up to £758 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+
1.00ct Round
£440 GBP