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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1367318871

Certificate GIA 1367318871

Diamond specifications and retailer prices

From $9,395 NZD
$5,295 USD
As of October 30, 2026
Save $10,495 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,890 NZD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1367318871. Listed at 20 retailers as of October 30, 2026, with prices from $9,395 to $19,890, a $10,495 spread on the same certified stone. NZ Jewellers lists it at $19,890. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1367318871
Dimensions7.30 × 7.26 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.26 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1367318871
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Oct 30
Current: $14,205 NZD|Low: $9,395 NZD|High: $17,732 NZD|Avg: $12,056 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 4$9,395 NZD
Retailer 12$9,413 NZD
Retailer 14$10,043 NZD
Retailer 9$10,513 NZD
Retailer 2$10,774 NZD
Retailer 3$10,774 NZD
Retailer 13$10,774 NZD
Retailer 5$11,403 NZD
Retailer 6$11,462 NZD
Retailer 15$11,607 NZD
Retailer 7$12,431 NZD
Retailer 8$12,937 NZD
Retailer 1$14,205 NZD
Retailer 10$14,611 NZD
Retailer 11$17,615 NZD

34 data points across 15 retailers

20 retailers$9,395 NZD to $19,890 NZD

B+
Cheapest Retailer
-
$9,395 NZD
$5,295 USD
B+
Retailer 2
-
$9,413 NZD
$5,305 USD
View
B
Retailer 3
-
$9,709 NZD
$5,472 USD
View
B
Retailer 4
-
$10,043 NZD
$5,660 USD
View
B+
Retailer 5
-
$10,513 NZD
£4,666 GBP
View
B
Retailer 6
-
$10,774 NZD
$6,072 USD
View
B
Retailer 7
-
$10,774 NZD
$6,072 USD
View
B+
Retailer 8
-
$10,774 NZD
$6,072 USD
View
B
Retailer 9
-
$11,403 NZD
$6,427 USD
View
B
Retailer 10
-
$11,462 NZD
$6,460 USD
View
B
Retailer 11
-
$11,462 NZD
$6,460 USD
View
Retailer 12
-
$11,607 NZD
A$10,064 AUD
View
Price last confirmed 20 days ago
B
Retailer 13
-
$11,835 NZD
$6,670 USD
View
B
Retailer 14
-
$12,431 NZD
$7,006 USD
View
B
Retailer 15
-
$12,937 NZD
€6,944 EUR
View
Retailer 16
-
$13,110 NZD
$7,389 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$14,205 NZD
£6,304 GBP
View
B
Retailer 18
-
$14,611 NZD
ZAR 133,038 ZAR
View
B
Retailer 19
-
$17,615 NZD
£7,817 GBP
View
Most Expensive
B
NZ Jewellers
9327b21a-3ec2-40d7-966f-d43c17bac7f0 · Oct 30
$19,890 NZD
$11,210 USD
View
19 more retailers have this diamond
Prices start from $9,395 NZDSave up to $10,495 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
$9,395 NZD