Oval|Natural|GIA

1.30ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1545924664

Certificate GIA 1545924664

Diamond specifications and retailer prices

From £2,207 GBP
HK$23,100 HKD
As of November 1, 2026
Save £3,170 GBP (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,377 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 1545924664. Listed at 10 retailers as of October 30, 2026, with prices from £2,207 to £5,377, a £3,170 spread on the same certified stone. NZ Jewellers lists it at £5,377. 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

1.30
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545924664
Dimensions8.55 × 6.00 × 3.76 mm
L/W Ratio1.43
Key to symbols
Crystal, Feather, Needle
Top View
8.55 mm6.00 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545924664
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 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 1
Current: £5,377 GBP|Low: £2,207 GBP|High: £5,665 GBP|Avg: £3,386 GBP|-5.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5£2,207 GBP
Retailer 3£2,533 GBP
Retailer 9£2,745 GBP
Retailer 11£2,876 GBP
Retailer 7£2,985 GBP
Retailer 10£3,086 GBP
Retailer 4£3,115 GBP
Retailer 2£3,336 GBP
Retailer 8£3,467 GBP
Retailer 6£4,992 GBP
NZ Jewellers£5,377 GBP

38 data points across 11 retailers

10 retailers£2,207 GBP to £5,377 GBP

A
Cheapest Retailer
-
£2,207 GBP
HK$23,100 HKD
A
Retailer 2
-
£2,745 GBP
$3,678 USD
View
Retailer 3
-
£2,876 GBP
SGD 5,208 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£2,985 GBP
$4,000 USD
View
B+
Retailer 5
-
£3,086 GBP
$4,135 USD
View
B+
Retailer 6
-
£3,115 GBP
€3,976 EUR
View
B+
Retailer 7
-
£3,336 GBP
€4,257 EUR
View
B+
Retailer 8
-
£3,467 GBP
$4,646 USD
View
B
Retailer 9
-
£4,992 GBP
View
Most Expensive
B
NZ Jewellers
6a38f130-69ea-4d61-a0c7-84ed0ffc2686 · Oct 30
£5,377 GBP
$7,204 USD
View
9 more retailers have this diamond
Prices start from £2,207 GBPSave up to £3,170 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
1.30ct Oval
£2,207 GBP