CaratHunter
Plans
Round|Lab Grown|IGI

1.03ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818682347

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818682347

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of October 29, 2026
Save £566 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £683 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG818682347 or 818682347. Listed at 19 retailers as of October 29, 2026, with prices from £117 to £683, a £566 spread on the same certified stone. MOH London lists it at £683. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682347
Dimensions6.49 × 6.47 × 4.02 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
6.49 mm6.47 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682347
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.0%

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: £683 GBP|Low: £113 GBP|High: £689 GBP|Avg: £299 GBP|-0.1%
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
Retailer 16
October 30, 2026
Retailer 15£117 GBP
Retailer 16£131 GBP
Retailer 6£136 GBP
Retailer 8£146 GBP
Retailer 7£222 GBP
Retailer 13£250 GBP
Retailer 9£252 GBP
Retailer 10£254 GBP
Retailer 12£265 GBP
Retailer 5£302 GBP
Retailer 14£354 GBP
Retailer 2£380 GBP
Retailer 11£383 GBP
Retailer 4£398 GBP
Retailer 3£508 GBP
MOH London£683 GBP

27 data points across 16 retailers

19 retailers£117 GBP to £683 GBP

A
Cheapest Retailer
-
£117 GBP
$157 USD
A
Retailer 2
-
£131 GBP
$175 USD
View
Final sale: no returns
A
Retailer 3
-
£136 GBP
$182 USD
View
A
Retailer 4
-
£146 GBP
$195 USD
View
A
Retailer 5
-
£146 GBP
$195 USD
View
A
Retailer 6
-
£222 GBP
$298 USD
View
B+
Retailer 7
-
£250 GBP
ZAR 5,403 ZAR
View
A
Retailer 8
-
£252 GBP
View
B+
Retailer 9
-
£254 GBP
View
B+
Retailer 10
-
£265 GBP
$355 USD
View
B+
Retailer 11
-
£302 GBP
$405 USD
View
B+
Retailer 12
-
£354 GBP
A$730 AUD
View
B+
Retailer 13
-
£380 GBP
$509 USD
View
B+
Retailer 14
-
£383 GBP
$513 USD
View
B+
Retailer 15
-
£398 GBP
SGD 720 SGD
View
B
Retailer 16
-
£467 GBP
$626 USD
View
B
Retailer 17
-
£475 GBP
$637 USD
View
B
Retailer 18
-
£508 GBP
$681 USD
View
Most Expensive
B
MOH London
LG818682347 · Oct 29
£683 GBP
View
18 more retailers have this diamond
Prices start from £117 GBPSave up to £566 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
1.03ct Round
£117 GBP