Oval|Natural|GIA

1.51ct I VS1 Oval Natural Diamond

EX • I/VS1 • GIA 6565386506

Certificate GIA 6565386506

Diamond specifications and retailer prices

From £4,224 GBP
$5,660 USD
As of October 28, 2026
Save £5,109 GBP (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £9,334 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565386506. Listed at 23 retailers as of October 28, 2026, with prices from £4,224 to £9,334, a £5,109 spread on the same certified stone. NZ Jewellers lists it at £9,334. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565386506
Dimensions9.33 × 6.21 × 3.73 mm
L/W Ratio1.50
Top View
9.33 mm6.21 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565386506
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £9,334 GBP|Low: £4,003 GBP|High: £9,334 GBP|Avg: £5,443 GBP
NZ Jewellers
Retailer 2
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Retailer 24
October 31, 2026
Retailer 17£4,003 GBP
Retailer 6£4,224 GBP
Retailer 21£4,256 GBP
Retailer 11£4,409 GBP
Retailer 15£4,666 GBP
Retailer 9£4,667 GBP
Retailer 14£4,687 GBP
Retailer 5£4,706 GBP
Retailer 7£5,056 GBP
Retailer 8£5,133 GBP
Retailer 19£5,200 GBP
Retailer 3£5,242 GBP
Retailer 13£5,262 GBP
Retailer 4£5,416 GBP
Retailer 22£5,612 GBP
Retailer 24£5,612 GBP
Retailer 16£5,697 GBP
Retailer 23£5,799 GBP
Retailer 10£5,833 GBP
Retailer 12£6,040 GBP
Retailer 18£6,098 GBP
Retailer 2£6,856 GBP
Retailer 20£7,819 GBP
NZ Jewellers£9,334 GBP

20 data points across 24 retailers

23 retailers£4,224 GBP to £9,334 GBP

A
Cheapest Retailer
-
£4,224 GBP
$5,660 USD
A
Retailer 2
-
£4,256 GBP
$5,702 USD
View
A
Retailer 3
-
£4,409 GBP
$5,908 USD
View
A
Retailer 4
-
£4,666 GBP
$6,252 USD
View
Final sale: no returns
A
Retailer 5
-
£4,667 GBP
$6,253 USD
View
A
Retailer 6
-
£4,687 GBP
$6,280 USD
View
A
Retailer 7
-
£4,706 GBP
$6,305 USD
View
A
Retailer 8
-
£5,056 GBP
$6,774 USD
View
A
Retailer 9
-
£5,133 GBP
$6,878 USD
View
A
Retailer 10
-
£5,200 GBP
View
A
Retailer 11
-
£5,242 GBP
$7,024 USD
View
A
Retailer 12
-
£5,262 GBP
View
Retailer 13
-
£5,416 GBP
A$11,165 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£5,612 GBP
$7,520 USD
View
B+
Retailer 15
-
£5,612 GBP
$7,520 USD
View
B+
Retailer 16
-
£5,697 GBP
$7,633 USD
View
B+
Retailer 17
-
£5,799 GBP
$7,770 USD
View
B+
Retailer 18
-
£5,833 GBP
$7,816 USD
View
B+
Retailer 19
-
£6,040 GBP
View
B+
Retailer 20
-
£6,098 GBP
€7,781 EUR
View
B+
Retailer 21
-
£6,856 GBP
ZAR 148,415 ZAR
View
B+
Retailer 22
-
£7,819 GBP
View
Most Expensive
B
NZ Jewellers
b37fd80a-c1d8-4752-92cd-92f7d9aa6891 · Oct 30
£9,334 GBP
$12,506 USD
View
22 more retailers have this diamond
Prices start from £4,224 GBPSave up to £5,109 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
1.51ct Oval
£4,224 GBP