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Oval|Lab Grown|IGI

1.02ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG510184205

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG510184205

Diamond specifications and retailer prices

From £418 GBP
As of November 6, 2026
Save £1,007 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,569 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct lab-grown oval diamond

This 1.02ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510184205 or 510184205. Listed at 13 retailers as of November 4, 2026, with a 241% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510184205
Dimensions8.40 × 5.63 × 3.50 mm
L/W Ratio1.49
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
8.40 mm5.63 mm1.02 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510184205
Side View
Table 63.5%Crown 34.5°Girdle: THN-STKPavilion 42.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,569 GBP|Low: £418 GBP|High: £2,378 GBP|Avg: £978 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£418 GBP
Retailer 9£481 GBP
Retailer 3£523 GBP
Retailer 10£558 GBP
Retailer 7£691 GBP
Retailer 2£769 GBP
Retailer 5£882 GBP
Retailer 11£911 GBP
Retailer 8£1,425 GBP
NZ Jewellers£1,569 GBP
Retailer 4£2,344 GBP

46 data points across 11 retailers

13 retailers£418 GBP to £1,425 GBP

B+
Cheapest Retailer
-
£418 GBP
B+
Retailer 2
-
£481 GBP
View
B+
Retailer 3
-
£523 GBP
View
B+
Retailer 4
-
£539 GBP
View
Final sale: no returns
Retailer 5
-
£558 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£558 GBP
View
B
Retailer 7
-
£691 GBP
View
B
Retailer 8
-
£769 GBP
View
B
Retailer 9
-
£882 GBP
View
B
Retailer 10
-
£911 GBP
View
B
Retailer 11
-
£1,425 GBP
View
Most Expensive
NZ Jewellers
6201f837-dfd4-44f8-80b1-a1d6574792fe · Nov 5
£1,569 GBP
$2,100 USD
View
Price under review
11 more retailers have this diamond
Prices start from £418 GBPSave up to £1,007 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+
1.02ct Oval
£418 GBP