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Oval|Natural|IGI

1.51ct G I1 Oval Natural Diamond

VG • G/I1 • IGI 743559054

Shape and cutting style on the report: Oval brilliant

Certificate IGI 743559054

Diamond specifications and retailer prices

From £1,039 GBP
₹132,756 INR
As of November 1, 2026
Save £2,496 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,535 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 G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743559054. Listed at 10 retailers as of October 30, 2026, with prices from £1,039 to £3,535, a £2,496 spread on the same certified stone. NZ Jewellers lists it at £3,535. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.1°
OriginNatural
Grading LabIGI
CertificateIGI 743559054
Dimensions9.33 × 6.37 × 3.64 mm
L/W Ratio1.46
Girdle conditionFaceted
Top View
9.33 mm6.37 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559054
Side View
Table 62.0%Crown 43.7°Girdle: MED-THKPavilion 34.1°Culet: NoneDepth 57.1%

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 1
Current: £3,535 GBP|Low: £985 GBP|High: £3,535 GBP|Avg: £1,506 GBP|+5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2£1,039 GBP
Retailer 7£1,136 GBP
Retailer 8£1,156 GBP
Retailer 10£1,338 GBP
Retailer 3£1,341 GBP
Retailer 4£1,449 GBP
Retailer 6£1,449 GBP
Retailer 5£1,516 GBP
Retailer 9£1,672 GBP
NZ Jewellers£3,535 GBP

39 data points across 10 retailers

10 retailers£1,039 GBP to £3,535 GBP

A
Cheapest Retailer
-
£1,039 GBP
₹132,756 INR
A
Retailer 2
-
£1,136 GBP
$1,525 USD
View
A
Retailer 3
-
£1,156 GBP
$1,552 USD
View
B+
Retailer 4
-
£1,338 GBP
$1,795 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,341 GBP
$1,800 USD
View
B+
Retailer 6
-
£1,449 GBP
$1,945 USD
View
B+
Retailer 7
-
£1,449 GBP
$1,945 USD
View
A
Retailer 8
-
£1,516 GBP
$2,035 USD
View
B+
Retailer 9
-
£1,672 GBP
$2,244 USD
View
Most Expensive
B+
NZ Jewellers
79ec8088-af74-4fbe-abaf-bc2cd1937937 · Oct 30
£3,535 GBP
$4,744 USD
View
9 more retailers have this diamond
Prices start from £1,039 GBPSave up to £2,496 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
£1,039 GBP