Round|Natural|GIA

1.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2538468190

Certificate GIA 2538468190

Diamond specifications and retailer prices

From $10,633 NZD
$5,972 USD
As of October 29, 2026
Save $9,105 NZD (46%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $23,563 NZD at NZ Jewellers · As of September 10, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538468190. Listed at 26 retailers as of October 29, 2026, with a 86% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2538468190
Dimensions7.36 × 7.40 × 4.48 mm
L/W Ratio1.01
Top View
7.36 mm7.40 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538468190
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.7%

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: Oct 29
Current: $13,192 NZD|Low: $9,289 NZD|High: $19,869 NZD|Avg: $13,151 NZD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$10,660 NZD
Retailer 5$11,147 NZD
Retailer 6$11,782 NZD
Retailer 8$12,930 NZD
Retailer 2$13,005 NZD
Retailer 1$13,192 NZD
Retailer 4$15,080 NZD
Retailer 3$19,738 NZD

37 data points across 8 retailers

26 retailers$10,633 NZD to $19,738 NZD

A
Cheapest Retailer
-
$10,633 NZD
$5,972 USD
A
Retailer 2
-
$10,660 NZD
$5,987 USD
View
A
Retailer 3
-
$10,941 NZD
A$9,454 AUD
View
A
Retailer 4
-
$11,132 NZD
$6,252 USD
View
A
Retailer 5
-
$11,147 NZD
$6,260 USD
View
A
Retailer 6
-
$11,286 NZD
$6,339 USD
View
A
Retailer 7
-
$11,782 NZD
$6,617 USD
View
Final sale: no returns
Retailer 8
-
$11,782 NZD
$6,617 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$12,543 NZD
$7,045 USD
View
Retailer 10
-
$12,763 NZD
$7,168 USD
View
Price last confirmed 48 days ago
Retailer 11
-
$12,763 NZD
$7,168 USD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$12,930 NZD
$7,262 USD
View
Retailer 13
-
$12,958 NZD
$7,278 USD
View
Price last confirmed 14 days ago
A
Retailer 14
-
$13,005 NZD
$7,304 USD
View
A
Retailer 15
-
$13,192 NZD
£5,834 GBP
View
A
Retailer 16
-
$13,208 NZD
$7,418 USD
View
B+
Retailer 17
-
$13,870 NZD
$7,790 USD
View
B+
Retailer 18
-
$13,870 NZD
$7,790 USD
View
B+
Retailer 19
-
$14,203 NZD
$7,977 USD
View
B+
Retailer 20
-
$14,333 NZD
$8,050 USD
View
Retailer 21
-
$14,727 NZD
$8,271 USD
View
Price last confirmed 20 days ago
Retailer 22
-
$14,727 NZD
$8,271 USD
View
Price last confirmed 53 days ago
B+
Retailer 23
-
$15,080 NZD
€8,066 EUR
View
B+
Retailer 24
-
$19,738 NZD
£8,729 GBP
View
Retailer 25
-
$23,563 NZD
$13,234 USD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
f269677c-e2fa-41ae-88f1-d7cac6622f1c · Sep 10
$23,563 NZD
$13,234 USD
View
Price last confirmed 49 days ago
25 more retailers have this diamond
Prices start from $10,633 NZDSave up to $9,105 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
$10,633 NZD