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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 2564357875

Certificate GIA 2564357875

Diamond specifications and retailer prices

From £3,840 GBP
$5,145 USD
As of October 30, 2026
Save £4,289 GBP (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,129 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564357875. Listed at 20 retailers as of October 30, 2026, with prices from £3,840 to £8,129, a £4,289 spread on the same certified stone. NZ Jewellers lists it at £8,129. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564357875
Dimensions9.41 × 6.20 × 3.93 mm
L/W Ratio1.52
Culet sizeNone
Top View
9.41 mm6.20 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564357875
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.4%

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: Oct 30
Current: £8,129 GBP|Low: £3,717 GBP|High: £8,129 GBP|Avg: £4,835 GBP
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
Retailer 20
October 31, 2026
Retailer 10£3,840 GBP
Retailer 17£3,855 GBP
Retailer 11£3,867 GBP
Retailer 8£3,874 GBP
Retailer 19£3,890 GBP
Retailer 12£4,226 GBP
Retailer 3£4,403 GBP
Retailer 9£4,403 GBP
Retailer 20£4,403 GBP
Retailer 6£4,595 GBP
Retailer 2£4,662 GBP
Retailer 14£4,723 GBP
Retailer 4£4,911 GBP
Retailer 5£4,911 GBP
Retailer 18£5,075 GBP
Retailer 7£5,080 GBP
Retailer 13£5,311 GBP
Retailer 15£5,358 GBP
Retailer 16£7,199 GBP
NZ Jewellers£8,129 GBP

15 data points across 20 retailers

20 retailers£3,840 GBP to £8,129 GBP

A
Cheapest Retailer
-
£3,840 GBP
$5,145 USD
A
Retailer 2
-
£3,855 GBP
$5,165 USD
View
A
Retailer 3
-
£3,867 GBP
$5,182 USD
View
A
Retailer 4
-
£3,874 GBP
$5,191 USD
View
A
Retailer 5
-
£3,890 GBP
$5,212 USD
View
B+
Retailer 6
-
£4,226 GBP
$5,663 USD
View
B+
Retailer 7
-
£4,403 GBP
$5,900 USD
View
B+
Retailer 8
-
£4,403 GBP
$5,900 USD
View
B+
Retailer 9
-
£4,403 GBP
$5,900 USD
View
B+
Retailer 10
-
£4,595 GBP
$6,157 USD
View
B+
Retailer 11
-
£4,662 GBP
View
B+
Retailer 12
-
£4,723 GBP
View
B+
Retailer 13
-
£4,822 GBP
$6,461 USD
View
B+
Retailer 14
-
£4,911 GBP
$6,580 USD
View
B+
Retailer 15
-
£4,911 GBP
$6,580 USD
View
B+
Retailer 16
-
£5,075 GBP
$6,800 USD
View
B+
Retailer 17
-
£5,080 GBP
$6,807 USD
View
B+
Retailer 18
-
£5,311 GBP
€6,777 EUR
View
B
Retailer 19
-
£7,199 GBP
View
Most Expensive
B
NZ Jewellers
69f16b2a-5a55-4f39-903a-f381fc005e49 · Oct 30
£8,129 GBP
$10,892 USD
View
19 more retailers have this diamond
Prices start from £3,840 GBPSave up to £4,289 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
£3,840 GBP