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Oval|Lab Grown|IGI

1.03ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG497154806

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497154806

Diamond specifications and retailer prices

From £520 GBP
$697 USD
As of October 29, 2026
Save £460 GBP (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,903 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497154806 or 497154806. Listed at 13 retailers as of October 29, 2026, with a 88% 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

1.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497154806
Dimensions8.33 × 5.65 × 3.45 mm
L/W Ratio1.47
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
8.33 mm5.65 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497154806
Side View
Table 55.5%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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: Oct 29
Current: £966 GBP|Low: £381 GBP|High: £2,396 GBP|Avg: £870 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£381 GBP
Retailer 7£520 GBP
Retailer 11£582 GBP
Retailer 2£603 GBP
Retailer 9£603 GBP
Retailer 8£702 GBP
Retailer 5£735 GBP
Retailer 1£966 GBP
Retailer 10£980 GBP
Retailer 6£1,485 GBP
Retailer 4£2,381 GBP

42 data points across 11 retailers

13 retailers£520 GBP to £980 GBP

B+
Cheapest Retailer
-
£520 GBP
$697 USD
B
Retailer 2
-
£566 GBP
$758 USD
View
B
Retailer 3
-
£582 GBP
$780 USD
View
Final sale: no returns
B
Retailer 4
-
£603 GBP
$808 USD
View
Retailer 5
-
£603 GBP
$808 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£702 GBP
$940 USD
View
B
Retailer 7
-
£735 GBP
$985 USD
View
B
Retailer 8
-
£966 GBP
View
B
Retailer 9
-
£980 GBP
$1,313 USD
View
Retailer 10
-
£1,485 GBP
$1,990 USD
View
Price under review
Retailer 11
-
£1,696 GBP
$2,272 USD
View
Price under review
Most Expensive
Reve Diamonds
808771965 · Oct 30
£1,903 GBP
$2,549 USD
View
Price under review
11 more retailers have this diamond
Prices start from £520 GBPSave up to £460 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+
1.03ct Oval
£520 GBP