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Oval|Natural|GIA

1.00ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 1368899091

Certificate GIA 1368899091

Diamond specifications and retailer prices

From £2,596 GBP
As of November 1, 2026
Save £3,154 GBP (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,750 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1368899091. Listed at 18 retailers as of November 1, 2026, with prices from £2,596 to £5,750, a £3,154 spread on the same certified stone. NZ Jewellers lists it at £5,750. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1368899091
Dimensions7.65 × 5.65 × 3.55 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.65 mm5.65 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1368899091
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,750 GBP|Low: £2,596 GBP|High: £5,750 GBP|Avg: £3,503 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
November 6, 2026
Retailer 9£2,596 GBP
Retailer 5£2,808 GBP
Retailer 12£2,843 GBP
Retailer 4£2,990 GBP
Retailer 10£2,990 GBP
Retailer 11£2,990 GBP
Retailer 13£3,254 GBP
Retailer 2£3,286 GBP
Retailer 7£3,323 GBP
Retailer 3£3,450 GBP
Retailer 6£3,509 GBP
Retailer 8£5,242 GBP
NZ Jewellers£5,750 GBP

43 data points across 13 retailers

18 retailers£2,596 GBP to £5,750 GBP

B+
Cheapest Retailer
-
£2,596 GBP
B+
Retailer 2
-
£2,601 GBP
View
B+
Retailer 3
-
£2,631 GBP
View
B
Retailer 4
-
£2,808 GBP
View
B
Retailer 5
-
£2,843 GBP
View
B
Retailer 6
-
£2,990 GBP
View
Retailer 7
-
£2,990 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£2,990 GBP
View
B
Retailer 9
-
£3,254 GBP
View
B
Retailer 10
-
£3,286 GBP
View
B
Retailer 11
-
£3,323 GBP
View
B
Retailer 12
-
£3,369 GBP
View
B
Retailer 13
-
£3,369 GBP
View
B
Retailer 14
-
£3,450 GBP
View
B
Retailer 15
-
£3,482 GBP
View
B
Retailer 16
-
£3,509 GBP
View
B
Retailer 17
-
£5,242 GBP
View
Most Expensive
B
NZ Jewellers
d3c04b5e-e2de-482a-9c04-6c41fedfd457 · Nov 5
£5,750 GBP
$7,696 USD
View
17 more retailers have this diamond
Prices start from £2,596 GBPSave up to £3,154 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.

B+
1.00ct Oval
£2,596 GBP