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Radiant|Natural|IGI

2.51ct J SI2 Radiant Natural Diamond

VG • J/SI2 • IGI 720565063

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 720565063

Diamond specifications and retailer prices

From $9,944 NZD
$5,595 USD
As of November 1, 2026
Save $9,251 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $19,195 NZD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 720565063. Listed at 10 retailers as of November 1, 2026, with prices from $9,944 to $19,195, a $9,251 spread on the same certified stone. NZ Jewellers lists it at $19,195. 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

2.51
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle39.9°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 720565063
Dimensions9.20 × 6.85 × 4.81 mm
L/W Ratio1.34
Culet sizePointed
Top View
9.20 mm6.85 mm2.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 720565063
Side View
Table 69.0%Crown 39.9°Girdle: MediumPavilion 39.6°Culet: NoneDepth 70.2%

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: Nov 1
Current: $19,195 NZD|Low: $9,709 NZD|High: $19,195 NZD|Avg: $12,811 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7$9,944 NZD
Retailer 8$10,593 NZD
Retailer 2$11,346 NZD
Retailer 9$11,476 NZD
Retailer 10$11,476 NZD
Retailer 11$11,476 NZD
Retailer 4$12,121 NZD
Retailer 5$12,537 NZD
Retailer 3$12,877 NZD
Retailer 12$13,243 NZD
Retailer 6$16,908 NZD
NZ Jewellers$19,195 NZD

41 data points across 12 retailers

10 retailers$9,944 NZD to $19,195 NZD

A
Cheapest Retailer
-
$9,944 NZD
$5,595 USD
A
Retailer 2
-
$10,593 NZD
$5,960 USD
View
Final sale: no returns
A
Retailer 3
-
$11,346 NZD
£5,027 GBP
View
B+
Retailer 4
-
$11,476 NZD
$6,457 USD
View
B+
Retailer 5
-
$11,476 NZD
$6,457 USD
View
B+
Retailer 6
-
$11,476 NZD
$6,457 USD
View
B+
Retailer 7
-
$12,537 NZD
€6,718 EUR
View
B+
Retailer 8
-
$13,243 NZD
$7,451 USD
View
B+
Retailer 9
-
$16,908 NZD
£7,491 GBP
View
Most Expensive
B+
NZ Jewellers
464fcd17-f17d-4be6-ae15-ee88667d106c · Oct 30
$19,195 NZD
$10,800 USD
View
9 more retailers have this diamond
Prices start from $9,944 NZDSave up to $9,251 NZD

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
2.51ct Radiant
$9,944 NZD