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Round|Natural|GIA

1.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 2528798384

Certificate GIA 2528798384

Diamond specifications and retailer prices

From $3,551 SGD
HK$21,700 HKD
As of November 1, 2026
Save $1,954 SGD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,353 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 2528798384. Listed at 9 retailers as of November 1, 2026, with a 55% 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
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2528798384
Dimensions7.30 × 7.27 × 4.56 mm
L/W Ratio1.00
Top View
7.30 mm7.27 mm1.50 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2528798384
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°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: $8,353 SGD|Low: $3,551 SGD|High: $8,605 SGD|Avg: $5,123 SGD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$3,551 SGD
Retailer 7$3,733 SGD
Retailer 9$3,794 SGD
Retailer 2$3,949 SGD
Retailer 10$4,022 SGD
Retailer 6$4,297 SGD
Retailer 3$5,051 SGD
Retailer 4$5,505 SGD
Retailer 11$5,850 SGD
Retailer 8$7,274 SGD
NZ Jewellers$8,353 SGD

22 data points across 11 retailers

9 retailers$3,551 SGD to $5,505 SGD

A
Cheapest Retailer
-
$3,551 SGD
HK$21,700 HKD
A
Retailer 2
-
$3,733 SGD
$2,920 USD
View
B+
Retailer 3
-
$3,794 SGD
$2,968 USD
View
B+
Retailer 4
-
$3,949 SGD
$3,089 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,022 SGD
$3,146 USD
View
B+
Retailer 6
-
$4,297 SGD
$3,361 USD
View
B
Retailer 7
-
$5,505 SGD
€4,101 EUR
View
Retailer 8
-
$7,274 SGD
$5,690 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
b4ddd706-92aa-4ab3-8e49-f72a8af05be7 · Oct 23
$8,353 SGD
$6,534 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $3,551 SGDSave up to $1,954 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
$3,551 SGD