Round|Natural|GIA

1.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 2528798384

Certificate GIA 2528798384

Diamond specifications and retailer prices

From $2,778 USD
HK$21,700 HKD
As of November 1, 2026
Save $1,528 USD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,534 USD 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
Color
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: $6,534 USD|Low: $2,778 USD|High: $6,731 USD|Avg: $4,011 USD|-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 1, 2026
Retailer 4$2,778 USD
Retailer 6$2,920 USD
Retailer 9$2,968 USD
Retailer 7$3,137 USD
Retailer 10$3,146 USD
Retailer 5$3,361 USD
Retailer 3$3,951 USD
Retailer 2$4,306 USD
Retailer 11$4,576 USD
Retailer 8$5,690 USD
NZ Jewellers$6,534 USD

21 data points across 11 retailers

9 retailers$2,778 USD to $4,306 USD

A
Cheapest Retailer
-
$2,778 USD
HK$21,700 HKD
A
Retailer 2
-
$2,920 USD
View
B+
Retailer 3
-
$2,968 USD
View
B+
Retailer 4
-
$3,137 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,146 USD
View
B+
Retailer 6
-
$3,361 USD
View
B
Retailer 7
-
$4,306 USD
€4,101 EUR
View
Retailer 8
-
$5,690 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
b4ddd706-92aa-4ab3-8e49-f72a8af05be7 · Oct 23
$6,534 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $2,778 USDSave up to $1,528 USD

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
$2,778 USD