CaratHunter
Plans
Oval|Natural|GIA

1.00ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 7566338538

Certificate GIA 7566338538

Diamond specifications and retailer prices

From £1,166 GBP
As of November 6, 2026
Save £2,143 GBP (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,309 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 G 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 7566338538. Listed at 12 retailers as of November 5, 2026, with prices from £1,166 to £3,309, a £2,143 spread on the same certified stone. NZ Jewellers lists it at £3,309. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle35.11°
OriginNatural
Grading LabGIA
CertificateGIA 7566338538
Dimensions8.17 × 5.25 × 3.39 mm
L/W Ratio1.56
Key to symbols
Crystal, Needle, Pinpoint
Top View
8.17 mm5.25 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7566338538
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 35.11°Culet: NoneDepth 64.6%

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: £3,309 GBP|Low: £1,166 GBP|High: £3,490 GBP|Avg: £1,944 GBP|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£1,166 GBP
Retailer 4£1,516 GBP
Retailer 2£1,535 GBP
Retailer 3£1,582 GBP
Retailer 5£1,616 GBP
Retailer 8£1,648 GBP
Retailer 11£1,656 GBP
Retailer 10£1,742 GBP
Retailer 6£2,161 GBP
Retailer 9£2,416 GBP
Retailer 7£2,764 GBP
NZ Jewellers£3,309 GBP

18 data points across 12 retailers

12 retailers£1,166 GBP to £3,309 GBP

A
Cheapest Retailer
-
£1,166 GBP
A
Retailer 2
-
£1,516 GBP
View
A
Retailer 3
-
£1,535 GBP
View
A
Retailer 4
-
£1,582 GBP
View
A
Retailer 5
-
£1,616 GBP
View
B+
Retailer 6
-
£1,648 GBP
View
A
Retailer 7
-
£1,656 GBP
View
A
Retailer 8
-
£1,742 GBP
View
B+
Retailer 9
-
£2,161 GBP
View
B+
Retailer 10
-
£2,416 GBP
View
B+
Retailer 11
-
£2,764 GBP
View
Most Expensive
B
NZ Jewellers
6004051f-3646-4028-a6ca-03b3d5f9c664 · Nov 5
£3,309 GBP
$4,429 USD
View
11 more retailers have this diamond
Prices start from £1,166 GBPSave up to £2,143 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
£1,166 GBP