CaratHunter
Plans
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 $3,909 SGD
As of November 6, 2026
Save $4,788 SGD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,697 SGD at NZ Jewellers · As of November 5, 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 13 retailers as of November 5, 2026, with prices from $3,909 to $8,697, a $4,788 spread on the same certified stone. NZ Jewellers lists it at $8,697. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,697 SGD|Low: $3,909 SGD|High: $9,017 SGD|Avg: $5,438 SGD|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6$3,909 SGD
Retailer 3$4,047 SGD
Retailer 12$4,534 SGD
Retailer 10$4,607 SGD
Retailer 7$4,678 SGD
Retailer 5$4,838 SGD
Retailer 11$4,992 SGD
Retailer 2$5,152 SGD
Retailer 8$5,179 SGD
Retailer 13$5,184 SGD
Retailer 9$5,760 SGD
Retailer 4$8,562 SGD
NZ Jewellers$8,697 SGD

9 data points across 13 retailers

13 retailers$3,909 SGD to $8,697 SGD

A
Cheapest Retailer
-
$3,909 SGD
A
Retailer 2
-
$4,047 SGD
View
A
Retailer 3
-
$4,534 SGD
View
A
Retailer 4
-
$4,607 SGD
View
Final sale: no returns
A
Retailer 5
-
$4,678 SGD
View
A
Retailer 6
-
$4,838 SGD
View
A
Retailer 7
-
$4,992 SGD
View
A
Retailer 8
-
$5,152 SGD
View
A
Retailer 9
-
$5,179 SGD
View
B+
Retailer 10
-
$5,184 SGD
View
A
Retailer 11
-
$5,760 SGD
View
B+
Retailer 12
-
$8,562 SGD
View
Most Expensive
B+
NZ Jewellers
c2d1c589-ee5e-4412-bfd5-927f3777534f · Nov 5
$8,697 SGD
$6,786 USD
View
12 more retailers have this diamond
Prices start from $3,909 SGDSave up to $4,788 SGD

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
$3,909 SGD