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Oval|Natural|GIA

1.01ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 5242066393

Certificate GIA 5242066393

Diamond specifications and retailer prices

From £1,148 GBP
As of November 6, 2026
Save £1,590 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,737 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural oval diamond

This 1.01ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242066393. Listed at 8 retailers as of November 4, 2026, with prices from £1,148 to £2,737, a £1,590 spread on the same certified stone. MOH London lists it at £2,737. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.45°
OriginNatural
Grading LabGIA
CertificateGIA 5242066393
Dimensions7.70 × 5.45 × 3.53 mm
L/W Ratio1.41
Key to symbols
Crystal, Cloud, Needle
Top View
7.70 mm5.45 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242066393
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 35.45°Culet: NoneDepth 64.8%

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: £2,737 GBP|Low: £1,148 GBP|High: £2,981 GBP|Avg: £1,874 GBP|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£1,148 GBP
Retailer 8£1,496 GBP
Retailer 2£1,520 GBP
Retailer 3£1,600 GBP
Retailer 5£1,616 GBP
Retailer 4£2,117 GBP
Retailer 7£2,392 GBP
MOH London£2,737 GBP

34 data points across 8 retailers

8 retailers£1,148 GBP to £2,737 GBP

A
Cheapest Retailer
-
£1,148 GBP
A
Retailer 2
-
£1,496 GBP
View
A
Retailer 3
-
£1,520 GBP
View
A
Retailer 4
-
£1,600 GBP
View
B+
Retailer 5
-
£1,616 GBP
View
B
Retailer 6
-
£2,117 GBP
View
B+
Retailer 7
-
£2,392 GBP
View
Most Expensive
B
MOH London
9D5BAC2A3 · Nov 4
£2,737 GBP
View
7 more retailers have this diamond
Prices start from £1,148 GBPSave up to £1,590 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
£1,148 GBP