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Oval|Natural|GIA

1.50ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 5563246651

Certificate GIA 5563246651

Diamond specifications and retailer prices

From £3,117 GBP
As of November 6, 2026
Save £3,984 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,101 GBP at NZ Jewellers · As of November 5, 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 I 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 5563246651. Listed at 19 retailers as of November 5, 2026, with prices from £3,117 to £7,101, a £3,984 spread on the same certified stone. NZ Jewellers lists it at £7,101. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5563246651
Dimensions9.04 × 6.32 × 4.03 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
9.04 mm6.32 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5563246651
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.8%

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 6
Current: £7,101 GBP|Low: £3,117 GBP|High: £7,101 GBP|Avg: £4,418 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
November 6, 2026
Retailer 18£3,117 GBP
Retailer 5£3,355 GBP
Retailer 3£3,399 GBP
Retailer 4£3,550 GBP
Retailer 7£3,580 GBP
Retailer 6£3,846 GBP
Retailer 8£3,846 GBP
Retailer 9£3,846 GBP
Retailer 16£4,040 GBP
Retailer 11£4,077 GBP
Retailer 2£4,119 GBP
Retailer 13£4,303 GBP
Retailer 15£4,303 GBP
Retailer 10£4,438 GBP
Retailer 14£4,445 GBP
Retailer 17£4,803 GBP
Retailer 12£6,744 GBP
NZ Jewellers£7,101 GBP

39 data points across 18 retailers

19 retailers£3,117 GBP to £7,101 GBP

A
Cheapest Retailer
-
£3,117 GBP
A
Retailer 2
-
£3,166 GBP
View
A
Retailer 3
-
£3,355 GBP
View
Retailer 4
-
£3,399 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£3,550 GBP
View
Final sale: no returns
A
Retailer 6
-
£3,580 GBP
View
B+
Retailer 7
-
£3,846 GBP
View
Retailer 8
-
£3,846 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£3,846 GBP
View
B+
Retailer 10
-
£4,040 GBP
View
B+
Retailer 11
-
£4,077 GBP
View
B+
Retailer 12
-
£4,119 GBP
View
B+
Retailer 13
-
£4,303 GBP
View
B+
Retailer 14
-
£4,303 GBP
View
B+
Retailer 15
-
£4,438 GBP
View
B+
Retailer 16
-
£4,445 GBP
View
B+
Retailer 17
-
£4,803 GBP
View
B
Retailer 18
-
£6,744 GBP
View
Most Expensive
B
NZ Jewellers
b75ca174-dac3-4344-a0e2-2e3454428578 · Nov 5
£7,101 GBP
$9,504 USD
View
18 more retailers have this diamond
Prices start from £3,117 GBPSave up to £3,984 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
£3,117 GBP