Round|Lab Grown|IGI

1.03ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG728509201

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728509201

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 30, 2026
Save £576 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £697 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728509201 or 728509201. Listed at 11 retailers as of October 29, 2026, with prices from £121 to £697, a £576 spread on the same certified stone. MOH London lists it at £697. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728509201
Dimensions6.40 × 6.45 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm6.45 mm1.03 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728509201
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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 30
Current: £697 GBP|Low: £121 GBP|High: £697 GBP|Avg: £365 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11£121 GBP
Retailer 6£212 GBP
Retailer 9£249 GBP
Retailer 7£249 GBP
Retailer 2£255 GBP
Retailer 4£361 GBP
Retailer 8£373 GBP
Retailer 10£456 GBP
Retailer 5£477 GBP
Retailer 3£607 GBP
MOH London£697 GBP

12 data points across 11 retailers

11 retailers£121 GBP to £697 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
Final sale: no returns
A
Retailer 2
-
£212 GBP
$284 USD
View
A
Retailer 3
-
£249 GBP
$333 USD
View
Retailer 4
-
£249 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
£255 GBP
ZAR 5,510 ZAR
View
B+
Retailer 6
-
£361 GBP
A$745 AUD
View
B+
Retailer 7
-
£373 GBP
$500 USD
View
B
Retailer 8
-
£456 GBP
$611 USD
View
B
Retailer 9
-
£477 GBP
$639 USD
View
B
Retailer 10
-
£607 GBP
$813 USD
View
Most Expensive
B
MOH London
LG728509201 · Oct 29
£697 GBP
View
10 more retailers have this diamond
Prices start from £121 GBPSave up to £576 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
£121 GBP