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Round|Lab Grown|IGI

1.00ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG816620197

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816620197

Diamond specifications and retailer prices

From £115 GBP
$153 USD
As of October 29, 2026
Save £550 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £665 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG816620197 or 816620197. Listed at 16 retailers as of October 25, 2026, with prices from £115 to £665, a £550 spread on the same certified stone. MOH London lists it at £665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620197
Dimensions6.42 × 6.39 × 3.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.39 mm1.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620197
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £665 GBP|Low: £109 GBP|High: £673 GBP|Avg: £328 GBP
MOH London
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
October 29, 2026
Retailer 8£115 GBP
Retailer 14£128 GBP
Retailer 4£133 GBP
Retailer 11£142 GBP
Retailer 13£217 GBP
Retailer 2£246 GBP
Retailer 9£260 GBP
Retailer 3£300 GBP
Retailer 6£393 GBP
Retailer 7£447 GBP
Retailer 10£457 GBP
Retailer 12£482 GBP
Retailer 15£498 GBP
Retailer 5£586 GBP
MOH London£665 GBP

42 data points across 15 retailers

16 retailers£115 GBP to £665 GBP

A
Cheapest Retailer
-
£115 GBP
$153 USD
A
Retailer 2
-
£128 GBP
$171 USD
View
Final sale: no returns
A
Retailer 3
-
£133 GBP
$177 USD
View
A
Retailer 4
-
£142 GBP
$189 USD
View
A
Retailer 5
-
£142 GBP
$189 USD
View
A
Retailer 6
-
£217 GBP
$289 USD
View
B+
Retailer 7
-
£246 GBP
View
B+
Retailer 8
-
£260 GBP
$346 USD
View
Retailer 9
-
£300 GBP
$400 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
£393 GBP
SGD 707 SGD
View
B
Retailer 11
-
£457 GBP
$608 USD
View
B
Retailer 12
-
£462 GBP
$615 USD
View
B
Retailer 13
-
£482 GBP
$642 USD
View
B
Retailer 14
-
£498 GBP
$664 USD
View
Retailer 15
-
£586 GBP
$780 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG816620197 · Oct 25
£665 GBP
View
15 more retailers have this diamond
Prices start from £115 GBPSave up to £550 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
1.00ct Round
£115 GBP