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Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5563629252

Certificate GIA 5563629252

Diamond specifications and retailer prices

From £1,402 GBP
HK$14,700 HKD
As of November 1, 2026
Save £2,504 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,906 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded H 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 5563629252. Listed at 21 retailers as of October 30, 2026, with prices from £1,402 to £3,906, a £2,504 spread on the same certified stone. NZ Jewellers lists it at £3,906. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563629252
Dimensions8.07 × 5.40 × 3.45 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeNone
Top View
8.07 mm5.40 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563629252
Side View
Table 59.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 63.9%

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 1
Current: £3,906 GBP|Low: £1,393 GBP|High: £3,906 GBP|Avg: £2,044 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 17£1,402 GBP
Retailer 2£1,417 GBP
Retailer 10£1,548 GBP
Retailer 18£1,561 GBP
Retailer 6£1,647 GBP
Retailer 3£1,705 GBP
Retailer 4£1,724 GBP
Retailer 12£1,823 GBP
Retailer 16£1,841 GBP
Retailer 8£1,869 GBP
Retailer 9£1,952 GBP
Retailer 19£1,955 GBP
Retailer 14£1,999 GBP
Retailer 5£2,156 GBP
Retailer 7£2,173 GBP
Retailer 13£2,332 GBP
Retailer 11£2,715 GBP
Retailer 15£3,274 GBP
NZ Jewellers£3,906 GBP

18 data points across 19 retailers

21 retailers£1,402 GBP to £3,906 GBP

A
Cheapest Retailer
-
£1,402 GBP
HK$14,700 HKD
A
Retailer 2
-
£1,417 GBP
₹181,128 INR
View
A
Retailer 3
-
£1,548 GBP
$2,077 USD
View
Retailer 4
-
£1,561 GBP
€1,995 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£1,595 GBP
SGD 2,893 SGD
View
B+
Retailer 6
-
£1,647 GBP
$2,210 USD
View
B+
Retailer 7
-
£1,705 GBP
$2,288 USD
View
B+
Retailer 8
-
£1,715 GBP
$2,302 USD
View
B+
Retailer 9
-
£1,724 GBP
$2,314 USD
View
Final sale: no returns
B+
Retailer 10
-
£1,823 GBP
View
B+
Retailer 11
-
£1,841 GBP
$2,470 USD
View
B+
Retailer 12
-
£1,869 GBP
$2,508 USD
View
B+
Retailer 13
-
£1,952 GBP
SGD 3,540 SGD
View
B+
Retailer 14
-
£1,955 GBP
$2,623 USD
View
B+
Retailer 15
-
£1,999 GBP
View
B
Retailer 16
-
£2,156 GBP
$2,893 USD
View
B
Retailer 17
-
£2,173 GBP
$2,916 USD
View
B+
Retailer 18
-
£2,332 GBP
€2,981 EUR
View
B
Retailer 19
-
£2,715 GBP
$3,643 USD
View
B
Retailer 20
-
£3,274 GBP
View
Most Expensive
B
NZ Jewellers
b8ad9a14-721a-4f69-9ea6-4df15870a698 · Oct 30
£3,906 GBP
$5,242 USD
View
20 more retailers have this diamond
Prices start from £1,402 GBPSave up to £2,504 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
1.00ct Oval
£1,402 GBP