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Round|Lab Grown|IGI

1.00ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG818686998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686998

Diamond specifications and retailer prices

From £123 GBP
$164 USD
As of October 24, 2026
Save £493 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £616 GBP at MOH London · As of October 26, 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 LG818686998 or 818686998. Listed at 18 retailers as of October 24, 2026, with prices from £123 to £616, a £493 spread on the same certified stone. MOH London lists it at £616. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686998
Dimensions6.36 × 6.39 × 4.00 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
6.36 mm6.39 mm1.00 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686998
Side View
Table 54.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 24
Current: £616 GBP|Low: £102 GBP|High: £623 GBP|Avg: £297 GBP|-1.1%
MOH London
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
October 28, 2026
Retailer 15£106 GBP
Retailer 16£123 GBP
Retailer 3£131 GBP
Retailer 4£131 GBP
Retailer 12£214 GBP
Retailer 8£214 GBP
Retailer 10£240 GBP
Retailer 17£245 GBP
Retailer 11£271 GBP
Retailer 13£293 GBP
Retailer 6£315 GBP
Retailer 2£360 GBP
Retailer 5£423 GBP
Retailer 14£447 GBP
Retailer 7£451 GBP
Retailer 9£465 GBP
MOH London£616 GBP

25 data points across 17 retailers

18 retailers£123 GBP to £616 GBP

Retailer 1
-
£106 GBP
$141 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£123 GBP
$164 USD
View
A
Retailer 3
-
£131 GBP
$175 USD
View
A
Retailer 4
-
£131 GBP
$175 USD
View
A
Retailer 5
-
£214 GBP
View
A
Retailer 6
-
£214 GBP
$285 USD
View
B+
Retailer 7
-
£240 GBP
€305 EUR
View
B+
Retailer 8
-
£245 GBP
$326 USD
View
B+
Retailer 9
-
£271 GBP
View
Retailer 10
-
£293 GBP
$390 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£300 GBP
$400 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
£315 GBP
$420 USD
View
B+
Retailer 13
-
£360 GBP
$480 USD
View
B
Retailer 14
-
£423 GBP
$563 USD
View
B
Retailer 15
-
£447 GBP
$595 USD
View
B
Retailer 16
-
£451 GBP
$600 USD
View
B
Retailer 17
-
£465 GBP
$619 USD
View
Most Expensive
B
MOH London
LG818686998 · Oct 26
£616 GBP
View
17 more retailers have this diamond
Prices start from £123 GBPSave up to £493 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
£123 GBP