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Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6535091708

Certificate GIA 6535091708

Diamond specifications and retailer prices

From £1,778 GBP
As of November 6, 2026
Save £2,256 GBP (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,034 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 6535091708. Listed at 23 retailers as of November 5, 2026, with prices from £1,778 to £4,034, a £2,256 spread on the same certified stone. NZ Jewellers lists it at £4,034. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535091708
Dimensions7.85 × 5.63 × 3.53 mm
L/W Ratio1.39
Top View
7.85 mm5.63 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535091708
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.7%

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: £4,034 GBP|Low: £1,778 GBP|High: £4,099 GBP|Avg: £2,708 GBP|-1.6%
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 6, 2026
Retailer 7£1,778 GBP
Retailer 2£1,854 GBP
Retailer 17£2,099 GBP
Retailer 18£2,123 GBP
Retailer 9£2,137 GBP
Retailer 12£2,247 GBP
Retailer 3£2,316 GBP
Retailer 10£2,328 GBP
Retailer 15£2,382 GBP
Retailer 5£2,405 GBP
Retailer 8£2,422 GBP
Retailer 13£2,477 GBP
Retailer 19£2,499 GBP
Retailer 6£2,672 GBP
Retailer 14£2,696 GBP
Retailer 16£2,826 GBP
Retailer 4£3,873 GBP
Retailer 11£3,923 GBP
NZ Jewellers£4,034 GBP

22 data points across 19 retailers

23 retailers£1,778 GBP to £4,034 GBP

A
Cheapest Retailer
-
£1,778 GBP
A
Retailer 2
-
£1,854 GBP
View
A
Retailer 3
-
£2,099 GBP
View
A
Retailer 4
-
£2,123 GBP
View
A
Retailer 5
-
£2,137 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,209 GBP
View
B+
Retailer 7
-
£2,211 GBP
View
B+
Retailer 8
-
£2,247 GBP
View
B+
Retailer 9
-
£2,316 GBP
View
Retailer 10
-
£2,328 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,349 GBP
View
B+
Retailer 12
-
£2,382 GBP
View
B+
Retailer 13
-
£2,405 GBP
View
B+
Retailer 14
-
£2,422 GBP
View
B+
Retailer 15
-
£2,477 GBP
View
B+
Retailer 16
-
£2,499 GBP
View
Retailer 17
-
£2,536 GBP
View
Price last confirmed 33 days ago
B+
Retailer 18
-
£2,672 GBP
View
B+
Retailer 19
-
£2,696 GBP
View
B+
Retailer 20
-
£2,826 GBP
View
B
Retailer 21
-
£3,873 GBP
View
Retailer 22
-
£3,923 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
94a82660-1a88-4bff-b67a-ce291e4a3aa7 · Nov 5
£4,034 GBP
$5,400 USD
View
22 more retailers have this diamond
Prices start from £1,778 GBPSave up to £2,256 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
£1,778 GBP