Oval|Natural|GIA

1.50ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7546653823

Certificate GIA 7546653823

Diamond specifications and retailer prices

From £4,296 GBP
As of November 3, 2026
Save £3,424 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,720 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two 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 7546653823. Listed at 8 retailers as of November 2, 2026, with prices from £4,296 to £7,720, a £3,424 spread on the same certified stone. NZ Jewellers lists it at £7,720. 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

1.50
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle41.13°
Pavilion angle35.07°
OriginNatural
Grading LabGIA
CertificateGIA 7546653823
Dimensions8.55 × 6.34 × 3.91 mm
L/W Ratio1.35
Girdle conditionExtremely Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural, Natural
Top View
8.55 mm6.34 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7546653823
Side View
Table 56.0%Crown 41.13°Girdle: STK-ETKPavilion 35.07°Culet: NoneDepth 61.6%

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 3
Current: £7,720 GBP|Low: £4,296 GBP|High: £7,837 GBP|Avg: £5,278 GBP|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£4,296 GBP
Retailer 2£4,318 GBP
Retailer 7£4,616 GBP
Retailer 9£4,616 GBP
Retailer 10£4,632 GBP
Retailer 8£4,690 GBP
Retailer 3£4,946 GBP
Retailer 12£4,965 GBP
Retailer 11£5,243 GBP
Retailer 4£5,254 GBP
Retailer 5£6,800 GBP
NZ Jewellers£7,720 GBP

33 data points across 12 retailers

8 retailers£4,296 GBP to £7,720 GBP

A
Cheapest Retailer
-
£4,296 GBP
A
Retailer 2
-
£4,318 GBP
View
A
Retailer 3
-
£4,616 GBP
View
A
Retailer 4
-
£4,616 GBP
View
Retailer 5
-
£4,632 GBP
View
Price last confirmed 27 days ago
B+
Retailer 6
-
£4,690 GBP
View
B+
Retailer 7
-
£6,800 GBP
View
Most Expensive
B
NZ Jewellers
d091a7ac-3f98-4029-80c6-5e1be766dc66 · Nov 2
£7,720 GBP
$10,333 USD
View
7 more retailers have this diamond
Prices start from £4,296 GBPSave up to £3,424 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
1.50ct Oval
£4,296 GBP