CaratHunter
Plans
Radiant|Natural|GIA

1.50ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5553121313

Certificate GIA 5553121313

Diamond specifications and retailer prices

From $4,947 SGD
As of November 6, 2026
Save $4,496 SGD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,443 SGD at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553121313. Listed at 7 retailers as of November 3, 2026, with prices from $4,947 to $9,443, a $4,496 spread on the same certified stone. NZ Jewellers lists it at $9,443. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.93°
Pavilion angle35.53°
OriginNatural
Grading LabGIA
CertificateGIA 5553121313
Dimensions7.47 × 5.76 × 3.90 mm
L/W Ratio1.30
Top View
7.47 mm5.76 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553121313
Side View
Table 71.0%Crown 49.93°Girdle: Slightly ThickPavilion 35.53°Culet: NoneDepth 67.7%

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: $9,443 SGD|Low: $4,947 SGD|High: $9,558 SGD|Avg: $6,354 SGD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$4,947 SGD
Retailer 7$4,951 SGD
Retailer 4$5,287 SGD
Retailer 2$5,420 SGD
Retailer 6$5,420 SGD
Retailer 9$5,498 SGD
Retailer 5$5,602 SGD
Retailer 10$6,266 SGD
Retailer 3$9,063 SGD
NZ Jewellers$9,443 SGD

33 data points across 10 retailers

7 retailers$4,947 SGD to $9,443 SGD

A
Cheapest Retailer
-
$4,947 SGD
A
Retailer 2
-
$5,287 SGD
View
A
Retailer 3
-
$5,420 SGD
View
A
Retailer 4
-
$5,420 SGD
View
A
Retailer 5
-
$5,602 SGD
View
B+
Retailer 6
-
$9,063 SGD
View
Most Expensive
B
NZ Jewellers
0d7ed5b2-88a6-4fce-b8d2-eab75be28984 · Nov 3
$9,443 SGD
$7,368 USD
View
6 more retailers have this diamond
Prices start from $4,947 SGDSave up to $4,496 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
$4,947 SGD