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Oval|Natural|IGI

1.30ct L SI1 Oval Natural Diamond

VG • L/SI1 • IGI 738527380

Shape and cutting style on the report: Oval brilliant

Certificate IGI 738527380

Diamond specifications and retailer prices

From £812 GBP
As of November 2, 2026
Save £1,219 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,031 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 738527380. Listed at 5 retailers as of November 2, 2026, with prices from £812 to £2,031, a £1,219 spread on the same certified stone. NZ Jewellers lists it at £2,031. 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

1.30
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.6°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 738527380
Dimensions8.35 × 6.03 × 3.91 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Top View
8.35 mm6.03 mm1.30 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 738527380
Side View
Table 60.0%Crown 39.6°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 64.8%

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: £2,031 GBP|Low: £812 GBP|High: £2,052 GBP|Avg: £1,105 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£812 GBP
Retailer 5£833 GBP
Retailer 3£865 GBP
Retailer 4£934 GBP
Retailer 6£1,091 GBP
NZ Jewellers£2,031 GBP

24 data points across 6 retailers

5 retailers£812 GBP to £2,031 GBP

A
Cheapest Retailer
-
£812 GBP
B+
Retailer 2
-
£833 GBP
View
B+
Retailer 3
-
£865 GBP
View
B+
Retailer 4
-
£934 GBP
View
Most Expensive
B
NZ Jewellers
93808db5-ba53-44ab-9ed9-1ecc595698c7 · Nov 2
£2,031 GBP
$2,719 USD
View
4 more retailers have this diamond
Prices start from £812 GBPSave up to £1,219 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
1.30ct Oval
£812 GBP