CaratHunter
Plans
Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1559005462

Certificate GIA 1559005462

Diamond specifications and retailer prices

From £1,740 GBP
As of November 6, 2026
Save £2,250 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,990 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 1559005462. Listed at 24 retailers as of November 5, 2026, with prices from £1,740 to £3,990, a £2,250 spread on the same certified stone. NZ Jewellers lists it at £3,990. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559005462
Dimensions7.78 × 5.60 × 3.52 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Cloud, Needle
Top View
7.78 mm5.60 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559005462
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

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: £3,990 GBP|Low: £1,740 GBP|High: £4,012 GBP|Avg: £2,642 GBP|-0.5%
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
Retailer 20
November 6, 2026
Retailer 6£1,740 GBP
Retailer 2£1,815 GBP
Retailer 18£2,055 GBP
Retailer 19£2,078 GBP
Retailer 8£2,114 GBP
Retailer 12£2,129 GBP
Retailer 13£2,222 GBP
Retailer 20£2,291 GBP
Retailer 11£2,303 GBP
Retailer 16£2,367 GBP
Retailer 3£2,378 GBP
Retailer 7£2,397 GBP
Retailer 14£2,424 GBP
Retailer 4£2,480 GBP
Retailer 5£2,643 GBP
Retailer 15£2,667 GBP
Retailer 17£2,795 GBP
Retailer 9£3,851 GBP
Retailer 10£3,899 GBP
NZ Jewellers£3,990 GBP

22 data points across 20 retailers

24 retailers£1,740 GBP to £3,990 GBP

A
Cheapest Retailer
-
£1,740 GBP
A
Retailer 2
-
£1,815 GBP
View
A
Retailer 3
-
£2,055 GBP
View
A
Retailer 4
-
£2,078 GBP
View
A
Retailer 5
-
£2,114 GBP
View
Final sale: no returns
Retailer 6
-
£2,129 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£2,162 GBP
View
B+
Retailer 8
-
£2,163 GBP
View
A
Retailer 9
-
£2,222 GBP
View
B+
Retailer 10
-
£2,291 GBP
View
Retailer 11
-
£2,303 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,306 GBP
View
B+
Retailer 13
-
£2,367 GBP
View
B+
Retailer 14
-
£2,378 GBP
View
B+
Retailer 15
-
£2,397 GBP
View
B+
Retailer 16
-
£2,424 GBP
View
B+
Retailer 17
-
£2,480 GBP
View
Retailer 18
-
£2,498 GBP
View
Price last confirmed 30 days ago
B+
Retailer 19
-
£2,643 GBP
View
B+
Retailer 20
-
£2,667 GBP
View
B+
Retailer 21
-
£2,795 GBP
View
B
Retailer 22
-
£3,851 GBP
View
Retailer 23
-
£3,899 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
bbb670dc-aae2-4de4-9dbc-6d534ec44586 · Nov 5
£3,990 GBP
$5,341 USD
View
23 more retailers have this diamond
Prices start from £1,740 GBPSave up to £2,250 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
£1,740 GBP