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Oval|Lab Grown|IGI

1.01ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442066517

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066517

Diamond specifications and retailer prices

From £441 GBP
As of November 6, 2026
Save £2,502 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,942 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442066517 or 442066517. Listed at 11 retailers as of November 5, 2026, with prices from £441 to £2,942, a £2,502 spread on the same certified stone. MOH London lists it at £2,942. 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

1.01
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066517
Dimensions8.15 × 5.63 × 3.41 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.15 mm5.63 mm1.01 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066517
Side View
Table 60.5%Crown 32°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 60.6%

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: £2,942 GBP|Low: £441 GBP|High: £2,990 GBP|Avg: £1,369 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£441 GBP
Retailer 4£750 GBP
Retailer 7£839 GBP
Retailer 5£870 GBP
Retailer 8£870 GBP
Retailer 9£1,001 GBP
Retailer 11£1,251 GBP
Retailer 6£1,389 GBP
Retailer 10£1,818 GBP
Retailer 3£2,490 GBP
MOH London£2,942 GBP

14 data points across 11 retailers

11 retailers£441 GBP to £2,942 GBP

A
Cheapest Retailer
-
£441 GBP
B+
Retailer 2
-
£750 GBP
View
B+
Retailer 3
-
£816 GBP
View
B+
Retailer 4
-
£839 GBP
View
Final sale: no returns
Retailer 5
-
£870 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£870 GBP
View
B
Retailer 7
-
£1,001 GBP
View
B
Retailer 8
-
£1,389 GBP
View
B
Retailer 9
-
£1,630 GBP
View
B
Retailer 10
-
£1,818 GBP
View
Most Expensive
B
MOH London
LG442066517 · Nov 5
£2,942 GBP
View
10 more retailers have this diamond
Prices start from £441 GBPSave up to £2,502 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
1.01ct Oval
£441 GBP