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Oval|Lab Grown|IGI

1.04ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG830619089

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830619089

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 26, 2026
Save £717 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £844 GBP at Helzberg Diamonds · As of October 27, 2026
View at Helzberg Diamonds

About this 1.04ct lab-grown oval diamond

This 1.04ct lab-grown oval 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 LG830619089 or 830619089. Listed at 9 retailers as of October 26, 2026, with prices from £127 to £844, a £717 spread on the same certified stone. Helzberg Diamonds lists it at £844. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830619089
Dimensions8.19 × 5.69 × 3.50 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.19 mm5.69 mm1.04 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830619089
Side View
Table 62.0%Crown 35.7°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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 26
Current: £844 GBP|Low: £119 GBP|High: £844 GBP|Avg: £383 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 4£119 GBP
Retailer 8£127 GBP
Retailer 6£193 GBP
Retailer 2£252 GBP
Retailer 7£278 GBP
Retailer 5£430 GBP
Retailer 3£493 GBP
Retailer 9£516 GBP
Retailer 10£545 GBP
Helzberg Diamonds£844 GBP

2 data points across 10 retailers

9 retailers£127 GBP to £844 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£193 GBP
View
A
Retailer 3
-
£252 GBP
$337 USD
View
A
Retailer 4
-
£278 GBP
View
B+
Retailer 5
-
£430 GBP
SGD 779 SGD
View
B+
Retailer 6
-
£493 GBP
$660 USD
View
B+
Retailer 7
-
£516 GBP
$691 USD
View
B
Retailer 8
-
£545 GBP
$731 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMHPGOP · Oct 27
£844 GBP
$1,131 USD
View
8 more retailers have this diamond
Prices start from £127 GBPSave up to £717 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
1.04ct Oval
£127 GBP