Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1525404732

Certificate GIA 1525404732

Diamond specifications and retailer prices

From $7,475 SGD
$5,832 USD
As of October 29, 2026
Save $8,200 SGD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,675 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1525404732. Listed at 11 retailers as of October 27, 2026, with prices from $7,475 to $15,675, a $8,200 spread on the same certified stone. NZ Jewellers lists it at $15,675. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.41°
Pavilion angle30.35°
OriginNatural
Grading LabGIA
CertificateGIA 1525404732
Dimensions7.00 × 5.58 × 3.94 mm
L/W Ratio1.25
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
7.00 mm5.58 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525404732
Side View
Table 67.0%Crown 48.41°Girdle: THK-VTKPavilion 30.35°Culet: NDepth 70.6%

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: Oct 29
Current: $15,675 SGD|Low: $6,796 SGD|High: $15,675 SGD|Avg: $10,309 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$7,475 SGD
Retailer 2$8,645 SGD
Retailer 9$8,651 SGD
Retailer 3$9,036 SGD
Retailer 8$9,372 SGD
Retailer 7$9,517 SGD
Retailer 5$10,225 SGD
Retailer 10$10,814 SGD
Retailer 4$13,548 SGD
NZ Jewellers$15,675 SGD

43 data points across 10 retailers

11 retailers$7,475 SGD to $15,675 SGD

A
Cheapest Retailer
-
$7,475 SGD
$5,832 USD
Final sale: no returns
A
Retailer 2
-
$8,645 SGD
£5,311 GBP
View
A
Retailer 3
-
$8,651 SGD
$6,750 USD
View
A
Retailer 4
-
$9,036 SGD
£5,551 GBP
View
B+
Retailer 5
-
$9,372 SGD
$7,312 USD
View
B+
Retailer 6
-
$9,517 SGD
$7,425 USD
View
B+
Retailer 7
-
$9,580 SGD
$7,474 USD
View
B+
Retailer 8
-
$10,225 SGD
€7,598 EUR
View
B+
Retailer 9
-
$10,814 SGD
$8,437 USD
View
B
Retailer 10
-
$13,548 SGD
£8,323 GBP
View
Most Expensive
B
NZ Jewellers
acbf649e-b122-46a1-b9ee-3c700530ff51 · Oct 27
$15,675 SGD
$12,230 USD
View
10 more retailers have this diamond
Prices start from $7,475 SGDSave up to $8,200 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
1.50ct Radiant
$7,475 SGD