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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 $5,595 USD
As of November 1, 2026
Save $5,205 USD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,800 USD 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 $5,595 to $10,800, a $5,205 spread on the same certified stone. NZ Jewellers lists it at $10,800. 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
Color
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: $10,800 USD|Low: $5,463 USD|High: $10,800 USD|Avg: $7,208 USD
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$5,595 USD
Retailer 8$5,960 USD
Retailer 2$6,384 USD
Retailer 9$6,457 USD
Retailer 10$6,457 USD
Retailer 11$6,457 USD
Retailer 4$6,820 USD
Retailer 5$7,054 USD
Retailer 3$7,246 USD
Retailer 12$7,451 USD
Retailer 6$9,514 USD
NZ Jewellers$10,800 USD

41 data points across 12 retailers

10 retailers$5,595 USD to $10,800 USD

A
Cheapest Retailer
-
$5,595 USD
A
Retailer 2
-
$5,960 USD
View
Final sale: no returns
A
Retailer 3
-
$6,384 USD
£5,027 GBP
View
B+
Retailer 4
-
$6,457 USD
View
B+
Retailer 5
-
$6,457 USD
View
B+
Retailer 6
-
$6,457 USD
View
B+
Retailer 7
-
$7,054 USD
€6,718 EUR
View
B+
Retailer 8
-
$7,451 USD
View
B+
Retailer 9
-
$9,514 USD
£7,491 GBP
View
Most Expensive
B+
NZ Jewellers
464fcd17-f17d-4be6-ae15-ee88667d106c · Oct 30
$10,800 USD
View
9 more retailers have this diamond
Prices start from $5,595 USDSave up to $5,205 USD

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
$5,595 USD