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Oval|Natural|IGI

1.51ct J I1 Oval Natural Diamond

VG • J/I1 • IGI 811694597

Shape and cutting style on the report: Oval brilliant

Certificate IGI 811694597

Diamond specifications and retailer prices

From £956 GBP
₹122,176 INR
As of November 2, 2026
Save £1,956 GBP (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,912 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 811694597. Listed at 10 retailers as of October 30, 2026, with prices from £956 to £2,912, a £1,956 spread on the same certified stone. NZ Jewellers lists it at £2,912. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.1°
Pavilion angle36.4°
OriginNatural
Grading LabIGI
CertificateIGI 811694597
Dimensions8.95 × 6.33 × 4.03 mm
L/W Ratio1.41
Girdle conditionFaceted
Top View
8.95 mm6.33 mm1.51 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 811694597
Side View
Table 60.0%Crown 38.1°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 63.7%

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: £2,912 GBP|Low: £956 GBP|High: £3,008 GBP|Avg: £1,322 GBP|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£956 GBP
Retailer 6£1,043 GBP
Retailer 7£1,061 GBP
Retailer 9£1,102 GBP
Retailer 8£1,130 GBP
Retailer 3£1,194 GBP
Retailer 5£1,194 GBP
Retailer 4£1,249 GBP
Retailer 10£1,378 GBP
NZ Jewellers£2,912 GBP

14 data points across 10 retailers

10 retailers£956 GBP to £2,912 GBP

A
Cheapest Retailer
-
£956 GBP
₹122,176 INR
B+
Retailer 2
-
£1,043 GBP
$1,400 USD
View
B+
Retailer 3
-
£1,061 GBP
$1,424 USD
View
B+
Retailer 4
-
£1,102 GBP
$1,479 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,130 GBP
$1,516 USD
View
B+
Retailer 6
-
£1,194 GBP
$1,602 USD
View
B+
Retailer 7
-
£1,194 GBP
$1,602 USD
View
B+
Retailer 8
-
£1,249 GBP
$1,676 USD
View
B+
Retailer 9
-
£1,378 GBP
$1,849 USD
View
Most Expensive
B
NZ Jewellers
23c1ce51-f28e-4bd1-a1df-b17835ca2e85 · Oct 30
£2,912 GBP
$3,908 USD
View
9 more retailers have this diamond
Prices start from £956 GBPSave up to £1,956 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
£956 GBP