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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6551696109

Certificate GIA 6551696109

Diamond specifications and retailer prices

From $6,495 NZD
HK$28,600 HKD
As of November 1, 2026
Save $8,100 NZD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,595 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 6551696109. Listed at 22 retailers as of October 30, 2026, with prices from $6,495 to $14,595, a $8,100 spread on the same certified stone. NZ Jewellers lists it at $14,595. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551696109
Dimensions7.26 × 7.21 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.26 mm7.21 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551696109
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: $14,595 NZD|Low: $6,427 NZD|High: $14,595 NZD|Avg: $9,703 NZD
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 20$6,495 NZD
Retailer 2$6,622 NZD
Retailer 11$7,305 NZD
Retailer 8$7,731 NZD
Retailer 21$7,905 NZD
Retailer 7$7,997 NZD
Retailer 10$8,251 NZD
Retailer 18$8,277 NZD
Retailer 3$8,376 NZD
Retailer 4$8,376 NZD
Retailer 5$8,376 NZD
Retailer 22$8,644 NZD
Retailer 17$9,283 NZD
Retailer 6$9,351 NZD
Retailer 9$9,666 NZD
Retailer 13$10,006 NZD
Retailer 15$10,110 NZD
Retailer 19$10,297 NZD
Retailer 14$12,314 NZD
Retailer 12$12,659 NZD
Retailer 16$13,342 NZD
NZ Jewellers$14,595 NZD

20 data points across 22 retailers

22 retailers$6,495 NZD to $14,595 NZD

A
Cheapest Retailer
-
$6,495 NZD
HK$28,600 HKD
A
Retailer 2
-
$6,622 NZD
₹355,441 INR
View
B+
Retailer 3
-
$7,305 NZD
$4,117 USD
View
B+
Retailer 4
-
$7,731 NZD
$4,357 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,905 NZD
$4,455 USD
View
B+
Retailer 6
-
$7,997 NZD
SGD 6,091 SGD
View
B+
Retailer 7
-
$8,251 NZD
SGD 6,284 SGD
View
B+
Retailer 8
-
$8,277 NZD
£3,673 GBP
View
B+
Retailer 9
-
$8,376 NZD
$4,721 USD
View
B+
Retailer 10
-
$8,376 NZD
$4,721 USD
View
B+
Retailer 11
-
$8,376 NZD
$4,721 USD
View
B+
Retailer 12
-
$8,644 NZD
$4,872 USD
View
Retailer 13
-
$9,005 NZD
A$7,808 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$9,283 NZD
€4,983 EUR
View
B
Retailer 15
-
$9,351 NZD
£4,150 GBP
View
B
Retailer 16
-
$9,666 NZD
$5,448 USD
View
B+
Retailer 17
-
$10,006 NZD
£4,441 GBP
View
B+
Retailer 18
-
$10,297 NZD
ZAR 93,757 ZAR
View
B
Retailer 19
-
$12,314 NZD
$6,940 USD
View
B
Retailer 20
-
$12,659 NZD
$7,135 USD
View
B
Retailer 21
-
$13,342 NZD
£5,921 GBP
View
Most Expensive
B
NZ Jewellers
f38c7e27-58e3-4b8b-a85d-8d89340a845f · Oct 30
$14,595 NZD
$8,226 USD
View
21 more retailers have this diamond
Prices start from $6,495 NZDSave up to $8,100 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.

A
1.50ct Round
$6,495 NZD