CaratHunter
Plans
Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6492040977

Certificate GIA 6492040977

Diamond specifications and retailer prices

From $5,176 USD
As of November 6, 2026
Save $6,375 USD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,551 USD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492040977. Listed at 21 retailers as of November 5, 2026, with prices from $5,176 to $11,551, a $6,375 spread on the same certified stone. NZ Jewellers lists it at $11,551. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6492040977
Dimensions7.36 × 7.31 × 4.47 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.36 mm7.31 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492040977
Side View
Table 60.0%Crown 34.5°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 6
Current: $11,551 USD|Low: $4,813 USD|High: $11,551 USD|Avg: $7,137 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$5,176 USD
Retailer 7$5,260 USD
Retailer 8$5,776 USD
Retailer 3$6,257 USD
Retailer 9$6,257 USD
Retailer 12$6,257 USD
Retailer 2$6,515 USD
Retailer 5$7,096 USD
Retailer 11$7,220 USD
Retailer 4$7,612 USD
Retailer 6$10,148 USD
NZ Jewellers$11,551 USD

42 data points across 12 retailers

21 retailers$5,176 USD to $11,551 USD

B+
Cheapest Retailer
-
$5,176 USD
B+
Retailer 2
-
$5,260 USD
View
B
Retailer 3
-
$5,304 USD
View
B+
Retailer 4
-
$5,457 USD
View
B+
Retailer 5
-
$5,671 USD
View
B
Retailer 6
-
$5,776 USD
View
Final sale: no returns
B
Retailer 7
-
$5,779 USD
View
B
Retailer 8
-
$5,824 USD
View
B
Retailer 9
-
$6,257 USD
View
Retailer 10
-
$6,257 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$6,257 USD
View
B
Retailer 12
-
$6,515 USD
View
B
Retailer 13
-
$6,599 USD
View
B
Retailer 14
-
$6,960 USD
View
B
Retailer 15
-
$6,960 USD
View
B
Retailer 16
-
$7,096 USD
View
B
Retailer 17
-
$7,200 USD
View
B
Retailer 18
-
$7,220 USD
View
Retailer 19
-
$7,612 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$10,148 USD
View
Most Expensive
B
NZ Jewellers
685f6d57-6f08-4fdb-9fdc-7553c50ef302 · Nov 5
$11,551 USD
View
20 more retailers have this diamond
Prices start from $5,176 USDSave up to $6,375 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.

B+
1.50ct Round
$5,176 USD