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Oval|Natural|GIA

0.90ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1565510614

Certificate GIA 1565510614

Diamond specifications and retailer prices

From £761 GBP
As of November 4, 2026
Save £1,176 GBP (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,937 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural oval diamond

This 0.9ct natural oval sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565510614. Listed at 15 retailers as of November 4, 2026, with prices from £761 to £1,937, a £1,176 spread on the same certified stone. NZ Jewellers lists it at £1,937. 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

0.90
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565510614
Dimensions7.60 × 5.38 × 3.42 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
7.60 mm5.38 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565510614
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.6%

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 4
Current: £1,937 GBP|Low: £761 GBP|High: £2,031 GBP|Avg: £1,070 GBP|-4.6%
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
November 6, 2026
Retailer 11£761 GBP
Retailer 5£781 GBP
Retailer 13£794 GBP
Retailer 14£799 GBP
Retailer 12£806 GBP
Retailer 6£814 GBP
Retailer 15£825 GBP
Retailer 7£838 GBP
Retailer 10£916 GBP
Retailer 8£927 GBP
Retailer 3£1,139 GBP
Retailer 9£1,163 GBP
Retailer 4£1,489 GBP
Retailer 2£1,520 GBP
NZ Jewellers£1,937 GBP

28 data points across 15 retailers

15 retailers£761 GBP to £1,937 GBP

A
Cheapest Retailer
-
£761 GBP
A
Retailer 2
-
£781 GBP
View
A
Retailer 3
-
£794 GBP
View
A
Retailer 4
-
£799 GBP
View
A
Retailer 5
-
£806 GBP
View
Retailer 6
-
£814 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£825 GBP
View
B+
Retailer 8
-
£838 GBP
View
B+
Retailer 9
-
£916 GBP
View
B+
Retailer 10
-
£927 GBP
View
B
Retailer 11
-
£1,139 GBP
View
B+
Retailer 12
-
£1,163 GBP
View
B
Retailer 13
-
£1,489 GBP
View
B
Retailer 14
-
£1,520 GBP
View
Most Expensive
B
NZ Jewellers
eecdfe20-24ef-46c6-82c8-d57f0db7c455 · Nov 5
£1,937 GBP
$2,592 USD
View
14 more retailers have this diamond
Prices start from £761 GBPSave up to £1,176 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
0.90ct Oval
£761 GBP