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Oval|Natural|GIA

1.50ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6562068041

Certificate GIA 6562068041

Diamond specifications and retailer prices

From £4,064 GBP
As of November 6, 2026
Save £4,037 GBP (50%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £8,993 GBP at NZ Jewellers · As of September 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562068041. Listed at 24 retailers as of November 6, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.83°
Pavilion angle39.16°
OriginNatural
Grading LabGIA
CertificateGIA 6562068041
Dimensions8.98 × 6.31 × 4.03 mm
L/W Ratio1.42
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.98 mm6.31 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562068041
Side View
Table 63.0%Crown 33.83°Girdle: STK-THKPavilion 39.16°Culet: 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: £5,039 GBP|Low: £4,025 GBP|High: £8,101 GBP|Avg: £5,354 GBP|-1.7%
Retailer 1
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
November 6, 2026
Retailer 17£4,064 GBP
Retailer 5£4,248 GBP
Retailer 8£4,356 GBP
Retailer 4£4,496 GBP
Retailer 2£4,524 GBP
Retailer 6£4,533 GBP
Retailer 13£4,786 GBP
Retailer 10£4,796 GBP
Retailer 1£5,039 GBP
Retailer 14£5,105 GBP
Retailer 9£5,156 GBP
Retailer 19£5,219 GBP
Retailer 3£5,775 GBP
Retailer 16£5,873 GBP
Retailer 18£5,925 GBP
Retailer 11£6,191 GBP
Retailer 12£6,560 GBP
Retailer 15£7,473 GBP
Retailer 7£8,101 GBP

32 data points across 19 retailers

24 retailers£4,064 GBP to £8,101 GBP

A
Cheapest Retailer
-
£4,064 GBP
B+
Retailer 2
-
£4,248 GBP
View
B+
Retailer 3
-
£4,356 GBP
View
B+
Retailer 4
-
£4,496 GBP
View
Final sale: no returns
B+
Retailer 5
-
£4,524 GBP
View
B+
Retailer 6
-
£4,533 GBP
View
Retailer 7
-
£4,734 GBP
View
Price last confirmed 36 days ago
B+
Retailer 8
-
£4,786 GBP
View
B+
Retailer 9
-
£4,796 GBP
View
B+
Retailer 10
-
£5,039 GBP
View
B+
Retailer 11
-
£5,105 GBP
View
B+
Retailer 12
-
£5,156 GBP
View
Retailer 13
-
£5,219 GBP
View
Price last confirmed 15 days ago
B
Retailer 14
-
£5,333 GBP
View
Retailer 15
-
£5,377 GBP
View
Price last confirmed 36 days ago
Retailer 16
-
£5,459 GBP
View
Price last confirmed 38 days ago
B
Retailer 17
-
£5,499 GBP
View
B+
Retailer 18
-
£5,775 GBP
View
B+
Retailer 19
-
£5,873 GBP
View
Retailer 20
-
£6,204 GBP
View
Price last confirmed 38 days ago
B
Retailer 21
-
£6,560 GBP
View
B
Retailer 22
-
£7,473 GBP
View
B
Retailer 23
-
£8,101 GBP
View
Most Expensive
NZ Jewellers
35ed9e88-092b-459d-8ce6-b22a619a935e · Sep 30
£8,993 GBP
$12,037 USD
View
Price last confirmed 37 days ago
23 more retailers have this diamond
Prices start from £4,064 GBPSave up to £4,037 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
£4,064 GBP