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Oval|Natural|GIA

1.51ct G I1 Oval Natural Diamond

G/I1 • GIA 1509697729

Certificate GIA 1509697729

Diamond specifications and retailer prices

From £4,273 GBP
$5,725 USD
As of November 2, 2026
Save £1,690 GBP (28%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,963 GBP at Jared · As of November 2, 2026
View at Jared

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 1509697729. Listed at 6 retailers as of November 2, 2026, with prices from £4,273 to £5,963, a £1,690 spread on the same certified stone. Jared lists it at £5,963. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1509697729
Dimensions8.91 × 6.23 × 3.86 mm
L/W Ratio1.43
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
8.91 mm6.23 mm1.51 ctG / I1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509697729
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.0%

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 2
Current: £5,963 GBP|Low: £4,273 GBP|High: £5,963 GBP|Avg: £5,524 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3£4,273 GBP
Retailer 4£5,491 GBP
Retailer 5£5,769 GBP
Retailer 6£5,769 GBP
Retailer 2£5,929 GBP
Jared£5,963 GBP

18 data points across 6 retailers

6 retailers£4,273 GBP to £5,963 GBP

B+
Cheapest Retailer
-
£4,273 GBP
$5,725 USD
B
Retailer 2
-
£5,491 GBP
$7,357 USD
View
B
Retailer 3
-
£5,769 GBP
$7,730 USD
View
B
Retailer 4
-
£5,769 GBP
$7,730 USD
View
B
Retailer 5
-
£5,929 GBP
€7,566 EUR
View
Most Expensive
B
Jared
154889644 · Nov 2
£5,963 GBP
$7,990 USD
View
5 more retailers have this diamond
Prices start from £4,273 GBPSave up to £1,690 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
£4,273 GBP