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Oval|Natural|GIA

1.51ct E SI2 Oval Natural Diamond

EX • E/SI2 • GIA 7563639088

Certificate GIA 7563639088

Diamond specifications and retailer prices

From £4,864 GBP
HK$50,600 HKD
As of October 29, 2026
Save £6,327 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £11,190 GBP at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7563639088. Listed at 19 retailers as of October 27, 2026, with prices from £4,864 to £11,190, a £6,327 spread on the same certified stone. NZ Jewellers lists it at £11,190. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7563639088
Dimensions9.39 × 6.43 × 4.02 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.39 mm6.43 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7563639088
Side View
Table 55.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

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: Oct 29
Current: £11,190 GBP|Low: £4,864 GBP|High: £11,190 GBP|Avg: £6,841 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
Retailer 19
October 29, 2026
Retailer 10£4,864 GBP
Retailer 15£4,921 GBP
Retailer 2£5,624 GBP
Retailer 4£5,661 GBP
Retailer 3£5,685 GBP
Retailer 8£5,782 GBP
Retailer 9£6,176 GBP
Retailer 17£6,176 GBP
Retailer 14£6,210 GBP
Retailer 13£6,339 GBP
Retailer 7£6,691 GBP
Retailer 11£6,794 GBP
Retailer 6£6,837 GBP
Retailer 18£6,878 GBP
Retailer 12£7,300 GBP
Retailer 19£7,720 GBP
Retailer 16£9,337 GBP
Retailer 5£9,377 GBP
NZ Jewellers£11,190 GBP

14 data points across 19 retailers

19 retailers£4,864 GBP to £11,190 GBP

A
Cheapest Retailer
-
£4,864 GBP
HK$50,600 HKD
A
Retailer 2
-
£4,921 GBP
₹624,074 INR
View
A
Retailer 3
-
£5,624 GBP
$7,489 USD
View
B+
Retailer 4
-
£5,661 GBP
$7,539 USD
View
Retailer 5
-
£5,685 GBP
$7,570 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£5,782 GBP
$7,700 USD
View
B+
Retailer 7
-
£6,176 GBP
$8,224 USD
View
Final sale: no returns
B+
Retailer 8
-
£6,176 GBP
$8,224 USD
View
B+
Retailer 9
-
£6,210 GBP
View
B+
Retailer 10
-
£6,339 GBP
View
B+
Retailer 11
-
£6,691 GBP
$8,910 USD
View
B+
Retailer 12
-
£6,794 GBP
$9,047 USD
View
B+
Retailer 13
-
£6,837 GBP
$9,104 USD
View
B+
Retailer 14
-
£6,878 GBP
$9,159 USD
View
B+
Retailer 15
-
£7,300 GBP
€9,258 EUR
View
B+
Retailer 16
-
£7,720 GBP
$10,280 USD
View
B
Retailer 17
-
£9,337 GBP
View
B
Retailer 18
-
£9,377 GBP
$12,487 USD
View
Most Expensive
B
NZ Jewellers
36e7a7c3-8c88-4ad4-aa6a-8994154ae288 · Oct 27
£11,190 GBP
$14,902 USD
View
18 more retailers have this diamond
Prices start from £4,864 GBPSave up to £6,327 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
£4,864 GBP