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Oval|Natural|GIA

1.01ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6545920391

Certificate GIA 6545920391

Diamond specifications and retailer prices

From £1,185 GBP
As of November 6, 2026
Save £2,179 GBP (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,364 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

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 6545920391. Listed at 12 retailers as of November 2, 2026, with prices from £1,185 to £3,364, a £2,179 spread on the same certified stone. NZ Jewellers lists it at £3,364. 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
OriginNatural
Grading LabGIA
CertificateGIA 6545920391
Dimensions8.00 × 5.63 × 3.44 mm
L/W Ratio1.42
Girdle conditionThick
Top View
8.00 mm5.63 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545920391
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.1%

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: £3,364 GBP|Low: £1,185 GBP|High: £3,364 GBP|Avg: £1,920 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5£1,185 GBP
Retailer 8£1,257 GBP
Retailer 2£1,420 GBP
Retailer 3£1,625 GBP
Retailer 6£1,676 GBP
Retailer 7£1,708 GBP
Retailer 4£1,824 GBP
Retailer 10£1,849 GBP
Retailer 12£1,978 GBP
Retailer 11£2,197 GBP
Retailer 9£2,747 GBP
NZ Jewellers£3,364 GBP

29 data points across 12 retailers

12 retailers£1,185 GBP to £3,364 GBP

A
Cheapest Retailer
-
£1,185 GBP
A
Retailer 2
-
£1,257 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,420 GBP
View
A
Retailer 4
-
£1,625 GBP
View
B+
Retailer 5
-
£1,676 GBP
View
A
Retailer 6
-
£1,708 GBP
View
B+
Retailer 7
-
£1,849 GBP
View
B+
Retailer 8
-
£1,978 GBP
View
Retailer 9
-
£2,068 GBP
View
Price last confirmed 31 days ago
B
Retailer 10
-
£2,197 GBP
View
B
Retailer 11
-
£2,747 GBP
View
Most Expensive
B
NZ Jewellers
18d47390-1cf9-4966-9f5e-213dd40002cf · Nov 2
£3,364 GBP
$4,503 USD
View
11 more retailers have this diamond
Prices start from £1,185 GBPSave up to £2,179 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
£1,185 GBP