Oval|Natural|GIA

1.50ct F SI1 Oval Natural Diamond

VG • F/SI1 • GIA 1428798393

Certificate GIA 1428798393

Diamond specifications and retailer prices

From £6,047 GBP
$8,115 USD
As of November 1, 2026
Save £4,932 GBP (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £10,980 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1428798393. Listed at 17 retailers as of November 1, 2026, with prices from £6,047 to £10,980, a £4,932 spread on the same certified stone. NZ Jewellers lists it at £10,980. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1428798393
Dimensions9.23 × 6.16 × 3.90 mm
L/W Ratio1.50
Top View
9.23 mm6.16 mm1.50 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1428798393
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.3%

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: £7,133 GBP|Low: £6,047 GBP|High: £10,412 GBP|Avg: £7,668 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 8£6,047 GBP
Retailer 11£6,539 GBP
Retailer 10£6,643 GBP
Retailer 1£7,133 GBP
Retailer 3£7,137 GBP
Retailer 7£7,238 GBP
Retailer 9£7,246 GBP
Retailer 4£7,900 GBP
Retailer 2£8,234 GBP
Retailer 6£9,678 GBP
Retailer 5£10,288 GBP

45 data points across 11 retailers

17 retailers£6,047 GBP to £10,980 GBP

B+
Cheapest Retailer
-
£6,047 GBP
$8,115 USD
B+
Retailer 2
-
£6,168 GBP
$8,277 USD
View
B+
Retailer 3
-
£6,539 GBP
$8,775 USD
View
B+
Retailer 4
-
£6,587 GBP
$8,840 USD
View
B+
Retailer 5
-
£6,643 GBP
$8,914 USD
View
B+
Retailer 6
-
£7,133 GBP
View
B
Retailer 7
-
£7,137 GBP
$9,577 USD
View
Retailer 8
-
£7,238 GBP
A$14,943 AUD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£7,246 GBP
$9,724 USD
View
B
Retailer 10
-
£7,772 GBP
$10,430 USD
View
B
Retailer 11
-
£7,772 GBP
$10,430 USD
View
B
Retailer 12
-
£7,900 GBP
€10,096 EUR
View
B
Retailer 13
-
£8,033 GBP
$10,780 USD
View
B
Retailer 14
-
£8,234 GBP
$11,050 USD
View
B
Retailer 15
-
£9,678 GBP
ZAR 209,809 ZAR
View
B
Retailer 16
-
£10,288 GBP
View
Most Expensive
B
NZ Jewellers
b2927d36-a296-4b92-9ed9-890fce067f59 · Nov 2
£10,980 GBP
$14,734 USD
View
16 more retailers have this diamond
Prices start from £6,047 GBPSave up to £4,932 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+
1.50ct Oval
£6,047 GBP