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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7552514727

Certificate GIA 7552514727

Diamond specifications and retailer prices

From £3,158 GBP
$4,232 USD
As of November 2, 2026
Save £5,024 GBP (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £8,183 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 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 7552514727. Listed at 25 retailers as of October 30, 2026, with prices from £3,158 to £8,183, a £5,024 spread on the same certified stone. NZ Jewellers lists it at £8,183. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.28°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 7552514727
Dimensions8.97 × 6.40 × 3.98 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.97 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552514727
Side View
Table 59.0%Crown 40.28°Girdle: STK-THKPavilion 39.21°Culet: NoneDepth 62.3%

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 2
Current: £4,740 GBP|Low: £3,822 GBP|High: £7,295 GBP|Avg: £4,859 GBP|-1.1%
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
November 2, 2026
Retailer 14£3,822 GBP
Retailer 10£3,868 GBP
Retailer 11£4,091 GBP
Retailer 2£4,275 GBP
Retailer 3£4,512 GBP
Retailer 6£4,619 GBP
Retailer 8£4,693 GBP
Retailer 1£4,740 GBP
Retailer 4£4,941 GBP
Retailer 13£4,941 GBP
Retailer 7£5,047 GBP
Retailer 12£5,105 GBP
Retailer 5£5,114 GBP
Retailer 9£7,208 GBP

37 data points across 14 retailers

25 retailers£3,158 GBP to £8,183 GBP

A
Cheapest Retailer
-
£3,158 GBP
$4,232 USD
A
Retailer 2
-
£3,726 GBP
$4,993 USD
View
A
Retailer 3
-
£3,822 GBP
$5,121 USD
View
B+
Retailer 4
-
£3,865 GBP
$5,179 USD
View
B+
Retailer 5
-
£3,868 GBP
$5,183 USD
View
B+
Retailer 6
-
£3,916 GBP
$5,247 USD
View
B+
Retailer 7
-
£4,091 GBP
$5,482 USD
View
Final sale: no returns
B+
Retailer 8
-
£4,275 GBP
CA$7,955 CAD
View
B+
Retailer 9
-
£4,341 GBP
$5,816 USD
View
B+
Retailer 10
-
£4,373 GBP
$5,859 USD
View
B+
Retailer 11
-
£4,432 GBP
$5,939 USD
View
B+
Retailer 12
-
£4,432 GBP
$5,939 USD
View
B+
Retailer 13
-
£4,432 GBP
$5,939 USD
View
B+
Retailer 14
-
£4,512 GBP
$6,046 USD
View
B+
Retailer 15
-
£4,619 GBP
$6,189 USD
View
B+
Retailer 16
-
£4,693 GBP
View
B+
Retailer 17
-
£4,740 GBP
View
B+
Retailer 18
-
£4,941 GBP
$6,620 USD
View
B+
Retailer 19
-
£4,941 GBP
$6,620 USD
View
B+
Retailer 20
-
£5,047 GBP
€6,440 EUR
View
B+
Retailer 21
-
£5,105 GBP
$6,840 USD
View
B+
Retailer 22
-
£5,114 GBP
$6,852 USD
View
B
Retailer 23
-
£7,091 GBP
$9,501 USD
View
B
Retailer 24
-
£7,208 GBP
View
Most Expensive
B
NZ Jewellers
5abacb77-abe1-4adf-b094-2d309d225a27 · Oct 30
£8,183 GBP
$10,964 USD
View
24 more retailers have this diamond
Prices start from £3,158 GBPSave up to £5,024 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
£3,158 GBP