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Oval|Natural|GIA

1.01ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 5241081359

Certificate GIA 5241081359

Diamond specifications and retailer prices

From £1,118 GBP
HK$11,700 HKD
As of October 31, 2026
Save £2,122 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,240 GBP at NZ Jewellers · As of October 30, 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 5241081359. Listed at 16 retailers as of October 30, 2026, with prices from £1,118 to £3,240, a £2,122 spread on the same certified stone. NZ Jewellers lists it at £3,240. 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 (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241081359
Dimensions7.82 × 5.70 × 3.59 mm
L/W Ratio1.37
Girdle conditionFaceted
Top View
7.82 mm5.70 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241081359
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.1%

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: Oct 31
Current: £3,240 GBP|Low: £1,108 GBP|High: £3,336 GBP|Avg: £1,774 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 10£1,118 GBP
Retailer 16£1,321 GBP
Retailer 4£1,421 GBP
Retailer 12£1,422 GBP
Retailer 9£1,423 GBP
Retailer 13£1,504 GBP
Retailer 15£1,516 GBP
Retailer 5£1,549 GBP
Retailer 7£1,572 GBP
Retailer 8£1,594 GBP
Retailer 2£1,724 GBP
Retailer 11£1,905 GBP
Retailer 14£2,047 GBP
Retailer 6£2,308 GBP
Retailer 3£2,730 GBP
NZ Jewellers£3,240 GBP

11 data points across 16 retailers

16 retailers£1,118 GBP to £3,240 GBP

A
Cheapest Retailer
-
£1,118 GBP
HK$11,700 HKD
A
Retailer 2
-
£1,321 GBP
€1,685 EUR
View
A
Retailer 3
-
£1,421 GBP
$1,904 USD
View
A
Retailer 4
-
£1,422 GBP
$1,905 USD
View
A
Retailer 5
-
£1,423 GBP
$1,906 USD
View
Final sale: no returns
A
Retailer 6
-
£1,504 GBP
View
A
Retailer 7
-
£1,516 GBP
View
A
Retailer 8
-
£1,549 GBP
SGD 2,804 SGD
View
A
Retailer 9
-
£1,572 GBP
$2,106 USD
View
A
Retailer 10
-
£1,594 GBP
$2,136 USD
View
B+
Retailer 11
-
£1,724 GBP
$2,310 USD
View
B+
Retailer 12
-
£1,905 GBP
ZAR 41,235 ZAR
View
B+
Retailer 13
-
£2,047 GBP
€2,612 EUR
View
B+
Retailer 14
-
£2,308 GBP
$3,093 USD
View
B
Retailer 15
-
£2,730 GBP
View
Most Expensive
B
NZ Jewellers
59792455-2abb-47ad-b828-96c916279179 · Oct 30
£3,240 GBP
$4,341 USD
View
15 more retailers have this diamond
Prices start from £1,118 GBPSave up to £2,122 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
£1,118 GBP