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Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2564326977

Certificate GIA 2564326977

Diamond specifications and retailer prices

From £1,539 GBP
As of November 6, 2026
Save £2,752 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,291 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564326977. Listed at 15 retailers as of November 5, 2026, with prices from £1,539 to £4,291, a £2,752 spread on the same certified stone. NZ Jewellers lists it at £4,291. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2564326977
Dimensions7.67 × 5.46 × 3.48 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Cavity, Natural
Top View
7.67 mm5.46 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564326977
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.7%

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: £4,291 GBP|Low: £1,530 GBP|High: £4,442 GBP|Avg: £2,305 GBP|-3.4%
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
November 6, 2026
Retailer 9£1,539 GBP
Retailer 2£1,545 GBP
Retailer 13£1,808 GBP
Retailer 5£1,895 GBP
Retailer 6£1,954 GBP
Retailer 7£1,991 GBP
Retailer 12£2,053 GBP
Retailer 8£2,055 GBP
Retailer 10£2,132 GBP
Retailer 4£2,147 GBP
Retailer 3£2,215 GBP
Retailer 14£2,368 GBP
Retailer 11£3,615 GBP
NZ Jewellers£4,291 GBP

30 data points across 14 retailers

15 retailers£1,539 GBP to £4,291 GBP

A
Cheapest Retailer
-
£1,539 GBP
A
Retailer 2
-
£1,545 GBP
View
Retailer 3
-
£1,808 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£1,895 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,954 GBP
View
A
Retailer 6
-
£1,991 GBP
View
A
Retailer 7
-
£2,053 GBP
View
A
Retailer 8
-
£2,055 GBP
View
A
Retailer 9
-
£2,132 GBP
View
Retailer 10
-
£2,147 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
£2,215 GBP
View
B+
Retailer 12
-
£2,368 GBP
View
Retailer 13
-
£2,461 GBP
View
Price last confirmed 30 days ago
Retailer 14
-
£3,615 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
b4c0f510-ec45-41a4-bc52-65dbfc60336e · Nov 5
£4,291 GBP
$5,744 USD
View
14 more retailers have this diamond
Prices start from £1,539 GBPSave up to £2,752 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
£1,539 GBP