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Marquise|Natural|IGI

0.53ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 800672313

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 800672313

Diamond specifications and retailer prices

From £364 GBP
$489 USD
As of October 29, 2026
Save £1,032 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,396 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise 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 800672313. Listed at 8 retailers as of October 29, 2026, with prices from £364 to £1,396, a £1,032 spread on the same certified stone. NZ Jewellers lists it at £1,396. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 800672313
Dimensions7.69 × 4.34 × 2.70 mm
L/W Ratio1.77
Girdle conditionFaceted
Top View
7.69 mm4.34 mm0.53 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 800672313
Side View
Table 59.0%Crown 31.7°Girdle: MED-THKPavilion 40.2°CuletDepth 62.2%

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: Oct 29
Current: £1,396 GBP|Low: £364 GBP|High: £1,396 GBP|Avg: £616 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£364 GBP
Retailer 5£393 GBP
Retailer 9£444 GBP
Retailer 3£449 GBP
Retailer 2£515 GBP
Retailer 8£538 GBP
Retailer 6£540 GBP
Retailer 4£846 GBP
NZ Jewellers£1,396 GBP

43 data points across 9 retailers

8 retailers£364 GBP to £1,396 GBP

A
Cheapest Retailer
-
£364 GBP
$489 USD
B+
Retailer 2
-
£393 GBP
$527 USD
View
B+
Retailer 3
-
£449 GBP
View
B+
Retailer 4
-
£515 GBP
€658 EUR
View
B+
Retailer 5
-
£538 GBP
$722 USD
View
B+
Retailer 6
-
£540 GBP
$725 USD
View
B
Retailer 7
-
£846 GBP
View
Most Expensive
C
NZ Jewellers
9476e3b5-2e54-44cb-b21f-b1b793e619f8 · Oct 30
£1,396 GBP
$1,874 USD
View
7 more retailers have this diamond
Prices start from £364 GBPSave up to £1,032 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 Marquise
£364 GBP