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Round|Lab Grown|IGI

1.20ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG492113522

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113522

Diamond specifications and retailer prices

From £507 GBP
$680 USD
As of November 2, 2026
Save £908 GBP (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,591 GBP at RockHer · As of November 3, 2026
View at RockHer

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG492113522 or 492113522. Listed at 12 retailers as of November 2, 2026, with a 179% 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

1.20
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113522
Dimensions6.91 × 6.86 × 4.16 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
6.91 mm6.86 mm1.20 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113522
Side View
Table 58.5%Crown 33.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.4%

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: £2,695 GBP|Low: £507 GBP|High: £4,239 GBP|Avg: £2,064 GBP|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
RockHer
November 3, 2026
Retailer 6£507 GBP
Retailer 8£1,262 GBP
Retailer 12£1,414 GBP
Retailer 9£1,464 GBP
Retailer 11£1,464 GBP
Retailer 3£1,503 GBP
RockHer£1,591 GBP
Retailer 2£1,945 GBP
Retailer 10£2,300 GBP
Retailer 7£2,525 GBP
Retailer 1£2,695 GBP
Retailer 4£3,278 GBP
Retailer 5£4,183 GBP

25 data points across 13 retailers

12 retailers£507 GBP to £1,414 GBP

B+
Cheapest Retailer
-
£507 GBP
$680 USD
B
Retailer 2
-
£1,262 GBP
$1,694 USD
View
B
Retailer 3
-
£1,373 GBP
$1,843 USD
View
B
Retailer 4
-
£1,414 GBP
$1,898 USD
View
Final sale: no returns
Retailer 5
-
£1,464 GBP
$1,965 USD
View
Price under review
Retailer 6
-
£1,464 GBP
$1,965 USD
View
Price under review
Most Expensive
RockHer
igi-1d550e72 · Nov 3
£1,591 GBP
$2,135 USD
View
Price under review
6 more retailers have this diamond
Prices start from £507 GBPSave up to £908 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+
1.20ct Round
£507 GBP