Round|Natural|GIA

1.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 5436579927

Certificate GIA 5436579927

Diamond specifications and retailer prices

From $3,990 SGD
₹297,229 INR
As of November 1, 2026
Save $1,957 SGD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,153 SGD at NZ Jewellers · As of October 23, 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 5436579927. Listed at 9 retailers as of October 30, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5436579927
Dimensions7.24 × 7.31 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.24 mm7.31 mm1.50 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5436579927
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: Nov 1
Current: $9,153 SGD|Low: $3,980 SGD|High: $9,153 SGD|Avg: $5,761 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$3,990 SGD
Retailer 6$4,673 SGD
Retailer 4$5,254 SGD
Retailer 5$5,254 SGD
Retailer 7$5,254 SGD
Retailer 3$5,946 SGD
Retailer 8$6,062 SGD
Retailer 9$6,252 SGD
NZ Jewellers$9,153 SGD

43 data points across 9 retailers

9 retailers$3,990 SGD to $5,946 SGD

A
Cheapest Retailer
-
$3,990 SGD
₹297,229 INR
B+
Retailer 2
-
$4,623 SGD
$3,616 USD
View
B+
Retailer 3
-
$4,673 SGD
$3,655 USD
View
Retailer 4
-
$5,254 SGD
$4,110 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$5,254 SGD
$4,110 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$5,254 SGD
$4,110 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
$5,946 SGD
€4,430 EUR
View
Retailer 8
-
$6,062 SGD
$4,742 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
242e0e5b-d7e2-45f1-879e-6f38aac3afe4 · Oct 23
$9,153 SGD
$7,160 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $3,990 SGDSave up to $1,957 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 Round
$3,990 SGD