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Oval|Natural|GIA

1.51ct G I1 Oval Natural Diamond

G/I1 • GIA 1429163526

Certificate GIA 1429163526

Diamond specifications and retailer prices

From £2,957 GBP
HK$31,000 HKD
As of November 1, 2026
Save £3,762 GBP (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,719 GBP at NZ Jewellers · As of November 2, 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 G colour (near-colourless) and I1 clarity (included) and certified by GIA 1429163526. Listed at 7 retailers as of November 1, 2026, with prices from £2,957 to £6,719, a £3,762 spread on the same certified stone. NZ Jewellers lists it at £6,719. 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

1.51
Carat
G
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1429163526
Dimensions9.02 × 6.63 × 3.79 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Indented Natural
Top View
9.02 mm6.63 mm1.51 ctG / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1429163526
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,546 GBP|Low: £2,719 GBP|High: £4,781 GBP|Avg: £3,565 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£2,719 GBP
Retailer 2£2,957 GBP
Retailer 6£3,174 GBP
Retailer 4£3,189 GBP
Retailer 3£3,640 GBP
Retailer 1£4,546 GBP
Retailer 5£4,781 GBP

16 data points across 7 retailers

7 retailers£2,957 GBP to £6,719 GBP

B+
Cheapest Retailer
-
£2,957 GBP
HK$31,000 HKD
B+
Retailer 2
-
£3,640 GBP
$4,884 USD
View
B+
Retailer 3
-
£3,640 GBP
$4,884 USD
View
B+
Retailer 4
-
£3,640 GBP
$4,884 USD
View
B
Retailer 5
-
£4,200 GBP
$5,636 USD
View
B
Retailer 6
-
£4,546 GBP
€5,810 EUR
View
Most Expensive
C
NZ Jewellers
11d39b18-c5f9-48e8-ad49-6ef6de3a17b8 · Nov 2
£6,719 GBP
$9,017 USD
View
6 more retailers have this diamond
Prices start from £2,957 GBPSave up to £3,762 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+
1.51ct Oval
£2,957 GBP