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Round|Lab Grown|IGI

1.03ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG787620583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787620583

Diamond specifications and retailer prices

From £120 GBP
$159 USD
As of October 29, 2026
Save £576 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £696 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787620583 or 787620583. Listed at 17 retailers as of October 29, 2026, with prices from £120 to £696, a £576 spread on the same certified stone. MOH London lists it at £696. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620583
Dimensions6.55 × 6.48 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.55 mm6.48 mm1.03 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620583
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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: £696 GBP|Low: £111 GBP|High: £714 GBP|Avg: £314 GBP|-2.5%
MOH London
Retailer 2
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October 29, 2026
Retailer 10£120 GBP
Retailer 4£129 GBP
Retailer 12£134 GBP
Retailer 16£138 GBP
Retailer 14£237 GBP
Retailer 13£239 GBP
Retailer 3£248 GBP
Retailer 6£254 GBP
Retailer 9£260 GBP
Retailer 5£322 GBP
Retailer 15£336 GBP
Retailer 7£366 GBP
Retailer 11£480 GBP
Retailer 8£497 GBP
Retailer 2£517 GBP
MOH London£696 GBP

33 data points across 16 retailers

17 retailers£120 GBP to £696 GBP

A
Cheapest Retailer
-
£120 GBP
$159 USD
A
Retailer 2
-
£129 GBP
$171 USD
View
A
Retailer 3
-
£134 GBP
$178 USD
View
Final sale: no returns
A
Retailer 4
-
£138 GBP
$183 USD
View
A
Retailer 5
-
£237 GBP
ZAR 5,083 ZAR
View
A
Retailer 6
-
£239 GBP
€303 EUR
View
A
Retailer 7
-
£248 GBP
$330 USD
View
A
Retailer 8
-
£254 GBP
$337 USD
View
A
Retailer 9
-
£260 GBP
View
B+
Retailer 10
-
£322 GBP
$428 USD
View
B+
Retailer 11
-
£336 GBP
A$687 AUD
View
B+
Retailer 12
-
£366 GBP
$486 USD
View
B+
Retailer 13
-
£391 GBP
$520 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
£480 GBP
$638 USD
View
B
Retailer 15
-
£497 GBP
$660 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£517 GBP
$687 USD
View
Most Expensive
B
MOH London
LG787620583 · Oct 29
£696 GBP
View
16 more retailers have this diamond
Prices start from £120 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
£120 GBP