Round|Natural|GIA

1.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1499856559

Certificate GIA 1499856559

Diamond specifications and retailer prices

From $4,238 SGD
₹315,747 INR
As of November 1, 2026
Save $5,490 SGD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,729 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1499856559. Listed at 8 retailers as of October 30, 2026, with prices from $4,238 to $9,729, a $5,490 spread on the same certified stone. NZ Jewellers lists it at $9,729. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1499856559
Dimensions7.38 × 7.40 × 4.50 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Top View
7.38 mm7.40 mm1.50 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1499856559
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,729 SGD|Low: $4,228 SGD|High: $9,729 SGD|Avg: $5,772 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$4,238 SGD
Retailer 7$4,913 SGD
Retailer 9$5,178 SGD
Retailer 4$5,584 SGD
Retailer 5$5,584 SGD
Retailer 6$5,584 SGD
Retailer 3$6,291 SGD
Retailer 8$6,443 SGD
NZ Jewellers$9,729 SGD

44 data points across 9 retailers

8 retailers$4,238 SGD to $9,729 SGD

B+
Cheapest Retailer
-
$4,238 SGD
₹315,747 INR
B+
Retailer 2
-
$4,913 SGD
$3,843 USD
View
B
Retailer 3
-
$5,584 SGD
$4,368 USD
View
B
Retailer 4
-
$5,584 SGD
$4,368 USD
View
B
Retailer 5
-
$5,584 SGD
$4,368 USD
View
B
Retailer 6
-
$6,291 SGD
€4,687 EUR
View
B
Retailer 7
-
$6,443 SGD
$5,040 USD
View
Most Expensive
C
NZ Jewellers
5149bd30-1c9e-41fa-89da-c13c788e0273 · Oct 30
$9,729 SGD
$7,610 USD
View
7 more retailers have this diamond
Prices start from $4,238 SGDSave up to $5,490 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.

B+
1.50ct Round
$4,238 SGD