Oval|Natural|IGI

0.53ct I SI1 Oval Natural Diamond

VG • I/SI1 • IGI 815656368

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815656368

Diamond specifications and retailer prices

From £370 GBP
As of November 1, 2026
Save £879 GBP (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,248 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.53ct natural oval diamond

This 0.53ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656368. Listed at 15 retailers as of November 1, 2026, with prices from £370 to £1,248, a £879 spread on the same certified stone. NZ Jewellers lists it at £1,248. 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

0.53
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.1°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 815656368
Dimensions6.39 × 4.45 × 2.84 mm
L/W Ratio1.44
Girdle conditionFaceted
Top View
6.39 mm4.45 mm0.53 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656368
Side View
Table 60.0%Crown 38.1°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 63.8%

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 1
Current: £1,248 GBP|Low: £370 GBP|High: £1,275 GBP|Avg: £569 GBP|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 5£370 GBP
Retailer 12£398 GBP
Retailer 11£402 GBP
Retailer 3£430 GBP
Retailer 7£432 GBP
Retailer 10£459 GBP
Retailer 13£468 GBP
Retailer 8£486 GBP
Retailer 6£506 GBP
Retailer 9£536 GBP
Retailer 14£545 GBP
Retailer 2£604 GBP
Retailer 15£615 GBP
Retailer 4£921 GBP
NZ Jewellers£1,248 GBP

18 data points across 15 retailers

15 retailers£370 GBP to £1,248 GBP

A
Cheapest Retailer
-
£370 GBP
A
Retailer 2
-
£398 GBP
View
A
Retailer 3
-
£402 GBP
View
A
Retailer 4
-
£430 GBP
View
Retailer 5
-
£432 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£459 GBP
View
B+
Retailer 7
-
£468 GBP
View
B+
Retailer 8
-
£486 GBP
View
B+
Retailer 9
-
£506 GBP
View
B+
Retailer 10
-
£536 GBP
View
B
Retailer 11
-
£545 GBP
View
B
Retailer 12
-
£604 GBP
View
B
Retailer 13
-
£615 GBP
View
B
Retailer 14
-
£921 GBP
View
Most Expensive
B
NZ Jewellers
2bb78a8c-8dd9-48c8-97d6-7ac83c788067 · Nov 5
£1,248 GBP
$1,671 USD
View
14 more retailers have this diamond
Prices start from £370 GBPSave up to £879 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
0.53ct Oval
£370 GBP