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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5503219397

Certificate GIA 5503219397

Diamond specifications and retailer prices

From $8,776 NZD
As of November 1, 2026
Save $10,380 NZD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,156 NZD 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 5503219397. Listed at 19 retailers as of November 1, 2026, with prices from $8,776 to $19,156, a $10,380 spread on the same certified stone. NZ Jewellers lists it at $19,156. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5503219397
Dimensions7.47 × 7.42 × 4.44 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.47 mm7.42 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503219397
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.6%

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: $19,156 NZD|Low: $7,980 NZD|High: $19,156 NZD|Avg: $12,142 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$8,776 NZD
Retailer 7$9,577 NZD
Retailer 8$10,376 NZD
Retailer 10$10,376 NZD
Retailer 11$10,376 NZD
Retailer 4$10,805 NZD
Retailer 2$11,765 NZD
Retailer 9$11,972 NZD
Retailer 3$12,629 NZD
Retailer 5$16,827 NZD
NZ Jewellers$19,156 NZD

41 data points across 11 retailers

19 retailers$8,776 NZD to $19,156 NZD

B+
Cheapest Retailer
-
$8,776 NZD
B+
Retailer 2
-
$8,796 NZD
View
B+
Retailer 3
-
$9,048 NZD
View
B
Retailer 4
-
$9,577 NZD
View
Final sale: no returns
B
Retailer 5
-
$9,656 NZD
View
B
Retailer 6
-
$9,658 NZD
View
B
Retailer 7
-
$10,376 NZD
View
Retailer 8
-
$10,376 NZD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$10,376 NZD
View
B
Retailer 10
-
$10,805 NZD
View
B
Retailer 11
-
$10,939 NZD
View
B
Retailer 12
-
$11,581 NZD
View
B
Retailer 13
-
$11,581 NZD
View
B
Retailer 14
-
$11,765 NZD
View
B
Retailer 15
-
$11,960 NZD
View
B
Retailer 16
-
$11,972 NZD
View
Retailer 17
-
$12,629 NZD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$16,827 NZD
View
Most Expensive
B
NZ Jewellers
56214608-346b-49f2-9107-0c6052c58516 · Nov 5
$19,156 NZD
$10,619 USD
View
18 more retailers have this diamond
Prices start from $8,776 NZDSave up to $10,380 NZD

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
$8,776 NZD