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Oval|Lab Grown|IGI

0.83ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG497155848

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497155848

Diamond specifications and retailer prices

From £343 GBP
$460 USD
As of October 30, 2026
Save £1,067 GBP (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,411 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.83ct lab-grown oval diamond

This 0.83ct lab-grown oval sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497155848 or 497155848. Listed at 10 retailers as of October 28, 2026, with prices from £343 to £1,411, a £1,067 spread on the same certified stone. NZ Jewellers lists it at £1,411. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.83
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497155848
Dimensions7.54 × 5.37 × 3.24 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.54 mm5.37 mm0.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497155848
Side View
Table 61.5%Crown 32.5°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 60.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £343 GBP|Low: £343 GBP|High: £2,356 GBP|Avg: £890 GBP|-25.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1£343 GBP
Retailer 5£432 GBP
Retailer 6£537 GBP
Retailer 8£537 GBP
Retailer 7£825 GBP
Retailer 2£838 GBP
Retailer 4£1,331 GBP
Retailer 3£2,331 GBP

42 data points across 8 retailers

10 retailers£343 GBP to £1,411 GBP

B+
Cheapest Retailer
-
£343 GBP
$460 USD
B+
Retailer 2
-
£432 GBP
$579 USD
View
B
Retailer 3
-
£484 GBP
$649 USD
View
B
Retailer 4
-
£537 GBP
$719 USD
View
Retailer 5
-
£537 GBP
$719 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
£825 GBP
$1,106 USD
View
B
Retailer 7
-
£838 GBP
View
B
Retailer 8
-
£1,331 GBP
$1,783 USD
View
Most Expensive
B
NZ Jewellers
3bcbb061-f021-4f8e-853e-01a7283afeff · Oct 28
£1,411 GBP
$1,890 USD
View
8 more retailers have this diamond
Prices start from £343 GBPSave up to £1,067 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.

B+
0.83ct Oval
£343 GBP