Radiant|Natural|IGI

1.51ct E SI2 Radiant Natural Diamond

VG • E/SI2 • IGI 811694675

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

Certificate IGI 811694675

Diamond specifications and retailer prices

From $3,190 USD
₹303,782 INR
As of November 1, 2026
Save $3,846 USD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,036 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 811694675. Listed at 12 retailers as of October 30, 2026, with prices from $3,190 to $7,036, a $3,846 spread on the same certified stone. NZ Jewellers lists it at $7,036. 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

1.51
Carat
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.1°
OriginNatural
Grading LabIGI
CertificateIGI 811694675
Dimensions7.96 × 5.61 × 3.84 mm
L/W Ratio1.42
Top View
7.96 mm5.61 mm1.51 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694675
Side View
Table 65.0%Crown 38.8°Girdle: STK-VTKPavilion 34.1°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,036 USD|Low: $3,190 USD|High: $7,036 USD|Avg: $4,234 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 1, 2026
Retailer 2$3,190 USD
Retailer 11$3,263 USD
Retailer 10$3,669 USD
Retailer 4$3,728 USD
Retailer 3$3,775 USD
Retailer 7$3,806 USD
Retailer 6$4,039 USD
Retailer 9$4,150 USD
Retailer 5$4,186 USD
Retailer 12$4,660 USD
Retailer 8$6,754 USD
NZ Jewellers$7,036 USD

4 data points across 12 retailers

12 retailers$3,190 USD to $7,036 USD

A
Cheapest Retailer
-
$3,190 USD
₹303,782 INR
A
Retailer 2
-
$3,263 USD
View
A
Retailer 3
-
$3,669 USD
View
A
Retailer 4
-
$3,728 USD
View
Final sale: no returns
A
Retailer 5
-
$3,775 USD
View
A
Retailer 6
-
$3,806 USD
£2,996 GBP
View
A
Retailer 7
-
$4,039 USD
View
A
Retailer 8
-
$4,150 USD
View
A
Retailer 9
-
$4,186 USD
View
B+
Retailer 10
-
$4,660 USD
View
B+
Retailer 11
-
$6,754 USD
£5,318 GBP
View
Most Expensive
B+
NZ Jewellers
c2d1c589-ee5e-4412-bfd5-927f3777534f · Oct 30
$7,036 USD
View
11 more retailers have this diamond
Prices start from $3,190 USDSave up to $3,846 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
1.51ct Radiant
$3,190 USD