CaratHunter
Plans
Oval|Lab Grown|IGI

1.05ct G VVS1 Oval Lab Grown Diamond

ID • G/VVS1 • IGI LG840624125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840624125

Diamond specifications and retailer prices

From £129 GBP
As of November 3, 2026
Save £811 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £940 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval 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 LG840624125 or 840624125. Listed at 15 retailers as of November 3, 2026, with prices from £129 to £940, a £811 spread on the same certified stone. Helzberg Diamonds lists it at £940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840624125
Dimensions8.30 × 5.78 × 3.39 mm
L/W Ratio1.44
Girdle conditionFaceted
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
Top View
8.30 mm5.78 mm1.05 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840624125
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 58.7%

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: Nov 3
Current: £940 GBP|Low: £129 GBP|High: £940 GBP|Avg: £414 GBP
Helzberg Diamonds
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
November 4, 2026
Retailer 10£129 GBP
Retailer 3£144 GBP
Retailer 13£150 GBP
Retailer 5£160 GBP
Retailer 2£177 GBP
Retailer 9£283 GBP
Retailer 8£284 GBP
Retailer 14£321 GBP
Retailer 11£513 GBP
Retailer 6£528 GBP
Retailer 15£542 GBP
Retailer 4£553 GBP
Retailer 12£696 GBP
Retailer 7£747 GBP
Helzberg Diamonds£940 GBP

3 data points across 15 retailers

15 retailers£129 GBP to £940 GBP

A
Cheapest Retailer
-
£129 GBP
A
Retailer 2
-
£144 GBP
View
Final sale: no returns
A
Retailer 3
-
£150 GBP
View
A
Retailer 4
-
£160 GBP
View
A
Retailer 5
-
£177 GBP
View
A
Retailer 6
-
£283 GBP
View
A
Retailer 7
-
£284 GBP
View
A
Retailer 8
-
£321 GBP
View
B+
Retailer 9
-
£513 GBP
View
B+
Retailer 10
-
£528 GBP
View
B
Retailer 11
-
£542 GBP
View
B
Retailer 12
-
£553 GBP
View
B
Retailer 13
-
£696 GBP
View
B
Retailer 14
-
£747 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIKHIL · Nov 4
£940 GBP
$1,269 USD
View
14 more retailers have this diamond
Prices start from £129 GBPSave up to £811 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
1.05ct Oval
£129 GBP