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Round|Natural|GIA

1.50ct M SI1 Round Natural Diamond

VG • M/SI1 • GIA 2558114419

Certificate GIA 2558114419

Diamond specifications and retailer prices

From $3,734 NZD
As of November 6, 2026
Save $6,239 NZD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,973 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2558114419. Listed at 14 retailers as of November 5, 2026, with prices from $3,734 to $9,973, a $6,239 spread on the same certified stone. NZ Jewellers lists it at $9,973. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
M
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2558114419
Dimensions7.04 × 7.13 × 4.62 mm
L/W Ratio1.01
Top View
7.04 mm7.13 mm1.50 ctM / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2558114419
Side View
Table 59.0%Crown 37°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 65.2%

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 6
Current: $9,973 NZD|Low: $3,711 NZD|High: $9,973 NZD|Avg: $5,119 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
November 5, 2026
Retailer 10$3,734 NZD
Retailer 7$3,796 NZD
Retailer 5$4,271 NZD
Retailer 3$4,696 NZD
Retailer 12$4,769 NZD
Retailer 14$4,769 NZD
Retailer 9$4,787 NZD
Retailer 13$4,952 NZD
Retailer 11$5,020 NZD
Retailer 4$5,504 NZD
Retailer 8$5,815 NZD
Retailer 2$5,821 NZD
Retailer 6$7,221 NZD
NZ Jewellers$9,973 NZD

44 data points across 14 retailers

14 retailers$3,734 NZD to $9,973 NZD

B+
Cheapest Retailer
-
$3,734 NZD
A
Retailer 2
-
$3,796 NZD
View
B+
Retailer 3
-
$4,271 NZD
View
B+
Retailer 4
-
$4,696 NZD
View
B+
Retailer 5
-
$4,769 NZD
View
Retailer 6
-
$4,769 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,787 NZD
View
B+
Retailer 8
-
$4,952 NZD
View
B+
Retailer 9
-
$5,020 NZD
View
B+
Retailer 10
-
$5,504 NZD
View
B
Retailer 11
-
$5,815 NZD
View
B+
Retailer 12
-
$5,821 NZD
View
B
Retailer 13
-
$7,221 NZD
View
Most Expensive
C
NZ Jewellers
5e3a2bb2-8e81-4293-bf97-d0fb365e2fd7 · Nov 5
$9,973 NZD
$5,606 USD
View
13 more retailers have this diamond
Prices start from $3,734 NZDSave up to $6,239 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
$3,734 NZD