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Oval|Lab Grown|IGI

1.12ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG497145125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497145125

Diamond specifications and retailer prices

From £426 GBP
As of November 6, 2026
Save £1,058 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,849 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.12ct lab-grown oval diamond

This 1.12ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497145125 or 497145125. Listed at 13 retailers as of November 4, 2026, with a 248% 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

1.12
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497145125
Dimensions8.58 × 5.89 × 3.50 mm
L/W Ratio1.46
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
8.58 mm5.89 mm1.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497145125
Side View
Table 61.0%Crown 32°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 59.4%

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 6
Current: £920 GBP|Low: £426 GBP|High: £2,480 GBP|Avg: £913 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£426 GBP
Retailer 6£501 GBP
Retailer 9£560 GBP
Retailer 7£581 GBP
Retailer 10£581 GBP
Retailer 2£713 GBP
Retailer 1£920 GBP
Retailer 8£946 GBP
Retailer 5£1,484 GBP
Retailer 3£2,447 GBP

44 data points across 10 retailers

13 retailers£426 GBP to £1,484 GBP

A
Cheapest Retailer
-
£426 GBP
B+
Retailer 2
-
£501 GBP
View
B
Retailer 3
-
£545 GBP
View
B
Retailer 4
-
£560 GBP
View
Final sale: no returns
B+
Retailer 5
-
£581 GBP
View
Retailer 6
-
£581 GBP
View
Price last confirmed 21 days ago
B
Retailer 7
-
£713 GBP
View
B
Retailer 8
-
£920 GBP
View
B
Retailer 9
-
£946 GBP
View
B
Retailer 10
-
£1,484 GBP
View
Retailer 11
-
£1,633 GBP
View
Price under review
Most Expensive
Reve Diamonds
41BD3CEB8 · Nov 6
£1,849 GBP
$2,475 USD
View
Price under review
11 more retailers have this diamond
Prices start from £426 GBPSave up to £1,058 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
1.12ct Oval
£426 GBP