Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2235792081

Certificate GIA 2235792081

Diamond specifications and retailer prices

From $15,024 NZD
$8,438 USD
As of October 29, 2026
Save $12,528 NZD (45%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $27,551 NZD at NZ Jewellers · As of October 27, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235792081. Listed at 25 retailers as of October 27, 2026, with prices from $15,024 to $27,551, a $12,528 spread on the same certified stone. NZ Jewellers lists it at $27,551. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235792081
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Cloud, Crystal, Knot, Cavity, Needle
Top View
7.23 mm7.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235792081
Side View
Table 58.0%Crown 36°Girdle: THN-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: Oct 29
Current: $17,907 NZD|Low: $14,454 NZD|High: $26,129 NZD|Avg: $19,976 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$15,900 NZD
Retailer 1$17,907 NZD
Retailer 7$17,908 NZD
Retailer 4$18,179 NZD
Retailer 2$19,836 NZD
Retailer 8$21,754 NZD
Retailer 5$23,856 NZD
Retailer 3$25,850 NZD

43 data points across 8 retailers

25 retailers$15,024 NZD to $27,551 NZD

A
Cheapest Retailer
-
$15,024 NZD
$8,438 USD
B+
Retailer 2
-
$15,476 NZD
$8,692 USD
View
B+
Retailer 3
-
$15,900 NZD
$8,930 USD
View
Final sale: no returns
B+
Retailer 4
-
$15,965 NZD
$8,967 USD
View
B+
Retailer 5
-
$16,027 NZD
CA$12,502 CAD
View
B+
Retailer 6
-
$16,381 NZD
$9,200 USD
View
B+
Retailer 7
-
$16,530 NZD
$9,284 USD
View
B+
Retailer 8
-
$17,627 NZD
$9,900 USD
View
B+
Retailer 9
-
$17,907 NZD
£7,919 GBP
View
B+
Retailer 10
-
$17,908 NZD
$10,058 USD
View
B+
Retailer 11
-
$18,179 NZD
A$15,708 AUD
View
B+
Retailer 12
-
$18,184 NZD
$10,213 USD
View
B+
Retailer 13
-
$18,396 NZD
$10,332 USD
View
B
Retailer 14
-
$19,053 NZD
$10,701 USD
View
B+
Retailer 15
-
$19,443 NZD
$10,920 USD
View
B+
Retailer 16
-
$19,443 NZD
$10,920 USD
View
B+
Retailer 17
-
$19,836 NZD
€10,610 EUR
View
B+
Retailer 18
-
$20,091 NZD
$11,284 USD
View
B+
Retailer 19
-
$20,102 NZD
$11,290 USD
View
B+
Retailer 20
-
$20,663 NZD
$11,605 USD
View
B
Retailer 21
-
$21,156 NZD
$11,882 USD
View
B
Retailer 22
-
$21,754 NZD
$12,218 USD
View
Retailer 23
-
$23,856 NZD
ZAR 216,451 ZAR
View
Price last confirmed 7 days ago
B
Retailer 24
-
$25,850 NZD
£11,432 GBP
View
Most Expensive
B
NZ Jewellers
8e77b9d2-2375-4004-b6e9-594e20213b3e · Oct 27
$27,551 NZD
$15,474 USD
View
24 more retailers have this diamond
Prices start from $15,024 NZDSave up to $12,528 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
$15,024 NZD