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Round|Lab Grown|IGI

1.20ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG814634321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814634321

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 29, 2026
Save £673 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £810 GBP at Reve Diamonds · As of October 25, 2026
View at Reve 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814634321 or 814634321. Listed at 19 retailers as of October 25, 2026, with prices from £137 to £810, a £673 spread on the same certified stone. Reve Diamonds lists it at £810. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634321
Dimensions6.86 × 6.83 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm6.83 mm1.20 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG814634321
Side View
Table 62.0%Crown 34.2°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.9%

Caratlytics Score

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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: Oct 29
Current: £259 GBP|Low: £116 GBP|High: £810 GBP|Avg: £342 GBP|-6.2%
Retailer 1
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
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 5£121 GBP
Retailer 14£137 GBP
Retailer 7£154 GBP
Retailer 8£163 GBP
Retailer 11£205 GBP
Retailer 1£259 GBP
Retailer 12£267 GBP
Retailer 10£299 GBP
Retailer 16£314 GBP
Retailer 4£355 GBP
Retailer 9£373 GBP
Retailer 3£396 GBP
Retailer 13£433 GBP
Retailer 6£482 GBP
Retailer 15£530 GBP
Retailer 2£719 GBP
Reve Diamonds£810 GBP

38 data points across 17 retailers

19 retailers£137 GBP to £810 GBP

Retailer 1
-
£121 GBP
$162 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£137 GBP
$183 USD
View
Final sale: no returns
Retailer 3
-
£154 GBP
$207 USD
View
Price last confirmed 39 days ago
Retailer 4
-
£163 GBP
$219 USD
View
Price last confirmed 39 days ago
B+
Retailer 5
-
£205 GBP
$275 USD
View
A
Retailer 6
-
£259 GBP
€331 EUR
View
B+
Retailer 7
-
£267 GBP
View
B+
Retailer 8
-
£299 GBP
$400 USD
View
B+
Retailer 9
-
£314 GBP
View
Retailer 10
-
£355 GBP
$475 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£373 GBP
$500 USD
View
B
Retailer 12
-
£393 GBP
$527 USD
View
B
Retailer 13
-
£396 GBP
$530 USD
View
B+
Retailer 14
-
£433 GBP
$580 USD
View
Retailer 15
-
£440 GBP
$590 USD
View
Price last confirmed 21 days ago
Retailer 16
-
£482 GBP
$646 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
£530 GBP
$710 USD
View
B
Retailer 18
-
£719 GBP
View
Most Expensive
B
Reve Diamonds
31678589C · Oct 25
£810 GBP
$1,085 USD
View
18 more retailers have this diamond
Prices start from £137 GBPSave up to £673 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
£137 GBP