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Round|Lab Grown|IGI

1.20ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG514292630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG514292630

Diamond specifications and retailer prices

From £114 GBP
$153 USD
As of November 1, 2026
Save £981 GBP (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,095 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514292630 or 514292630. Listed at 8 retailers as of November 1, 2026, with prices from £114 to £1,095, a £981 spread on the same certified stone. Do Amore Diamonds lists it at £1,095. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514292630
Dimensions6.85 × 6.83 × 4.25 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
6.85 mm6.83 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514292630
Side View
Table 54.5%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: Nov 1
Current: £1,095 GBP|Low: £114 GBP|High: £1,148 GBP|Avg: £400 GBP|-4.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£114 GBP
Retailer 10£193 GBP
Retailer 8£226 GBP
Retailer 12£247 GBP
Retailer 3£257 GBP
Retailer 2£263 GBP
Retailer 11£271 GBP
Retailer 5£382 GBP
Retailer 9£481 GBP
Retailer 4£517 GBP
Retailer 7£732 GBP
Do Amore Diamonds£1,095 GBP

16 data points across 12 retailers

8 retailers£114 GBP to £1,095 GBP

A
Cheapest Retailer
-
£114 GBP
$153 USD
B+
Retailer 2
-
£193 GBP
$259 USD
View
Retailer 3
-
£226 GBP
$303 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
£263 GBP
€336 EUR
View
B+
Retailer 5
-
£382 GBP
A$788 AUD
View
B+
Retailer 6
-
£481 GBP
$646 USD
View
B
Retailer 7
-
£732 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F5E09269E · Nov 2
£1,095 GBP
$1,470 USD
View
7 more retailers have this diamond
Prices start from £114 GBPSave up to £981 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
1.20ct Round
£114 GBP