CaratHunter
Plans
Marquise|Natural|IGI

0.51ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 754532759

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 754532759

Diamond specifications and retailer prices

From €473 EUR
$530 USD
As of November 1, 2026
Save €1,010 EUR (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,483 EUR at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 754532759. Listed at 11 retailers as of November 1, 2026, with prices from €473 to €1,483, a €1,010 spread on the same certified stone. NZ Jewellers lists it at €1,483. 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

0.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 754532759
Dimensions8.22 × 4.13 × 2.61 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
8.22 mm4.13 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 754532759
Side View
Table 60.0%Crown 32.5°Girdle: THN-VTKPavilion 41.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €616 EUR|Low: €509 EUR|High: €1,105 EUR|Avg: €676 EUR|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 7€509 EUR
Retailer 8€526 EUR
Retailer 6€539 EUR
Retailer 2€580 EUR
Retailer 1€616 EUR
Retailer 3€706 EUR
Retailer 4€730 EUR
Retailer 5€1,097 EUR

42 data points across 8 retailers

11 retailers€473 EUR to €1,483 EUR

B+
Cheapest Retailer
-
€473 EUR
$530 USD
B+
Retailer 2
-
€509 EUR
$571 USD
View
B+
Retailer 3
-
€509 EUR
$571 USD
View
B+
Retailer 4
-
€539 EUR
$605 USD
View
B+
Retailer 5
-
€546 EUR
$612 USD
View
B+
Retailer 6
-
€580 EUR
£512 GBP
View
B
Retailer 7
-
€616 EUR
£544 GBP
View
B
Retailer 8
-
€706 EUR
View
B
Retailer 9
-
€730 EUR
ZAR 13,219 ZAR
View
C
Retailer 10
-
€1,097 EUR
£969 GBP
View
Most Expensive
C
NZ Jewellers
947aa185-d648-4229-a6f5-ea6f8c1825e0 · Nov 3
€1,483 EUR
$1,663 USD
View
10 more retailers have this diamond
Prices start from €473 EURSave up to €1,010 EUR

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.

B+
0.51ct Marquise
€473 EUR