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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557315032

Certificate GIA 2557315032

Diamond specifications and retailer prices

From $9,477 NZD
$5,332 USD
As of November 1, 2026
Save $8,703 NZD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,638 NZD at NZ Jewellers · As of October 23, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557315032. Listed at 18 retailers as of November 1, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557315032
Dimensions7.31 × 7.22 × 4.55 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Indented Natural, Natural
Top View
7.31 mm7.22 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557315032
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $20,638 NZD|Low: $9,301 NZD|High: $20,638 NZD|Avg: $13,773 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
November 2, 2026
Retailer 10$9,757 NZD
Retailer 13$10,319 NZD
Retailer 3$11,179 NZD
Retailer 11$11,179 NZD
Retailer 2$11,384 NZD
Retailer 4$11,659 NZD
Retailer 7$11,755 NZD
Retailer 12$12,898 NZD
Retailer 6$13,100 NZD
Retailer 9$13,196 NZD
Retailer 5$17,889 NZD
Retailer 8$18,179 NZD
NZ Jewellers$20,638 NZD

36 data points across 13 retailers

18 retailers$9,477 NZD to $18,179 NZD

A
Cheapest Retailer
-
$9,477 NZD
$5,332 USD
A
Retailer 2
-
$9,750 NZD
$5,486 USD
View
A
Retailer 3
-
$9,757 NZD
$5,490 USD
View
A
Retailer 4
-
$9,879 NZD
$5,559 USD
View
A
Retailer 5
-
$10,319 NZD
$5,806 USD
View
Final sale: no returns
A
Retailer 6
-
$11,015 NZD
$6,197 USD
View
Retailer 7
-
$11,179 NZD
$6,290 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$11,179 NZD
$6,290 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$11,273 NZD
$6,343 USD
View
Price last confirmed 19 days ago
B+
Retailer 10
-
$11,384 NZD
$6,405 USD
View
B+
Retailer 11
-
$11,659 NZD
$6,560 USD
View
A
Retailer 12
-
$11,755 NZD
£5,208 GBP
View
Retailer 13
-
$12,898 NZD
$7,257 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$13,100 NZD
£5,804 GBP
View
B+
Retailer 15
-
$13,196 NZD
€7,071 EUR
View
Retailer 16
-
$17,889 NZD
$10,065 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$18,179 NZD
£8,054 GBP
View
Most Expensive
NZ Jewellers
b1440a40-da58-491f-ab0a-10995370d40b · Oct 23
$20,638 NZD
$11,612 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $9,477 NZDSave up to $8,703 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
$9,477 NZD