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Oval|Natural|GIA

1.50ct H SI1 Oval Natural Diamond

VG • H/SI1 • GIA 6565577553

Certificate GIA 6565577553

Diamond specifications and retailer prices

From £4,903 GBP
As of November 5, 2026
Save £4,968 GBP (50%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,870 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6565577553. Listed at 24 retailers as of November 5, 2026, with prices from £4,903 to £9,870, a £4,968 spread on the same certified stone. NZ Jewellers lists it at £9,870. 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
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565577553
Dimensions9.06 × 6.20 × 3.95 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Needle, Extra Facet
Top View
9.06 mm6.20 mm1.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6565577553
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £9,870 GBP|Low: £3,718 GBP|High: £9,870 GBP|Avg: £5,122 GBP|+23.8%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 8
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Retailer 19
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Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 6, 2026
Retailer 9£3,729 GBP
Retailer 18£3,970 GBP
Retailer 16£4,007 GBP
Retailer 6£4,075 GBP
Retailer 12£4,129 GBP
Retailer 8£4,306 GBP
Retailer 11£4,404 GBP
Retailer 7£4,735 GBP
Retailer 14£4,735 GBP
Retailer 15£4,735 GBP
Retailer 17£4,838 GBP
Retailer 25£4,903 GBP
Retailer 4£4,935 GBP
Retailer 19£5,088 GBP
Retailer 3£5,447 GBP
Retailer 10£5,464 GBP
Retailer 22£5,509 GBP
Retailer 13£5,722 GBP
Retailer 20£5,843 GBP
Retailer 5£5,984 GBP
Retailer 2£6,161 GBP
Retailer 21£6,412 GBP
Retailer 23£7,200 GBP
Retailer 24£8,203 GBP
NZ Jewellers£9,870 GBP

20 data points across 25 retailers

24 retailers£4,903 GBP to £9,870 GBP

Retailer 1
-
£3,729 GBP
Price last confirmed 14 days ago
Retailer 2
-
£4,007 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
£4,075 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£4,129 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
£4,306 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£4,404 GBP
View
Price last confirmed 13 days ago
Retailer 7
-
£4,735 GBP
View
Price last confirmed 13 days ago
Retailer 8
-
£4,735 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
£4,735 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£4,838 GBP
View
Price last confirmed 15 days ago
B
Retailer 11
-
£4,903 GBP
View
B
Retailer 12
-
£4,935 GBP
View
Final sale: no returns
B
Retailer 13
-
£5,088 GBP
View
B
Retailer 14
-
£5,447 GBP
View
Retailer 15
-
£5,464 GBP
View
Price last confirmed 14 days ago
B
Retailer 16
-
£5,509 GBP
View
B
Retailer 17
-
£5,722 GBP
View
B
Retailer 18
-
£5,843 GBP
View
B
Retailer 19
-
£5,984 GBP
View
B
Retailer 20
-
£6,161 GBP
View
B
Retailer 21
-
£6,412 GBP
View
C
Retailer 22
-
£7,200 GBP
View
C
Retailer 23
-
£8,203 GBP
View
Most Expensive
C
NZ Jewellers
a7572c8a-b321-4c62-8caa-20302038e955 · Nov 5
£9,870 GBP
$13,211 USD
View
23 more retailers have this diamond
Prices start from £4,903 GBPSave up to £4,968 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
£4,903 GBP