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Oval|Natural|GIA

0.90ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1549420485

Certificate GIA 1549420485

Diamond specifications and retailer prices

From £1,097 GBP
HK$11,500 HKD
As of November 1, 2026
Save £2,427 GBP (69%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,524 GBP at NZ Jewellers · As of November 2, 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 F 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 1549420485. Listed at 24 retailers as of November 1, 2026, with prices from £1,097 to £3,524, a £2,427 spread on the same certified stone. NZ Jewellers lists it at £3,524. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1549420485
Dimensions7.50 × 5.43 × 3.41 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
7.50 mm5.43 mm0.90 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1549420485
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.9%

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 1
Current: £3,524 GBP|Low: £1,097 GBP|High: £3,542 GBP|Avg: £1,889 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
November 2, 2026
Retailer 4£1,097 GBP
Retailer 15£1,146 GBP
Retailer 3£1,333 GBP
Retailer 11£1,353 GBP
Retailer 10£1,358 GBP
Retailer 9£1,395 GBP
Retailer 7£1,452 GBP
Retailer 8£1,452 GBP
Retailer 13£1,453 GBP
Retailer 12£1,511 GBP
Retailer 17£1,547 GBP
Retailer 19£1,584 GBP
Retailer 14£1,667 GBP
Retailer 18£1,972 GBP
Retailer 5£2,142 GBP
Retailer 2£2,532 GBP
Retailer 16£2,780 GBP
Retailer 6£2,830 GBP
NZ Jewellers£3,524 GBP

21 data points across 19 retailers

24 retailers£1,097 GBP to £3,524 GBP

A
Cheapest Retailer
-
£1,097 GBP
HK$11,500 HKD
A
Retailer 2
-
£1,146 GBP
₹146,478 INR
View
B+
Retailer 3
-
£1,333 GBP
$1,789 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,353 GBP
SGD 2,454 SGD
View
B+
Retailer 5
-
£1,358 GBP
$1,823 USD
View
B+
Retailer 6
-
£1,379 GBP
$1,851 USD
View
B+
Retailer 7
-
£1,382 GBP
$1,855 USD
View
B+
Retailer 8
-
£1,395 GBP
$1,872 USD
View
B+
Retailer 9
-
£1,452 GBP
$1,949 USD
View
B+
Retailer 10
-
£1,452 GBP
$1,949 USD
View
B+
Retailer 11
-
£1,453 GBP
$1,950 USD
View
B+
Retailer 12
-
£1,511 GBP
$2,028 USD
View
B+
Retailer 13
-
£1,528 GBP
SGD 2,771 SGD
View
B+
Retailer 14
-
£1,547 GBP
$2,077 USD
View
B+
Retailer 15
-
£1,584 GBP
View
B+
Retailer 16
-
£1,660 GBP
A$3,428 AUD
View
B+
Retailer 17
-
£1,667 GBP
$2,237 USD
View
Retailer 18
-
£1,904 GBP
A$3,931 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
£1,972 GBP
€2,520 EUR
View
B
Retailer 20
-
£2,142 GBP
ZAR 46,430 ZAR
View
B
Retailer 21
-
£2,532 GBP
View
B
Retailer 22
-
£2,780 GBP
View
B
Retailer 23
-
£2,830 GBP
View
Most Expensive
B
NZ Jewellers
58421718-4b81-439b-9a49-3cac89832a96 · Nov 2
£3,524 GBP
$4,729 USD
View
23 more retailers have this diamond
Prices start from £1,097 GBPSave up to £2,427 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
£1,097 GBP