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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2526848685

Certificate GIA 2526848685

Diamond specifications and retailer prices

From $12,952 NZD
HK$56,800 HKD
As of October 29, 2026
Save $16,722 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $29,674 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 2526848685. Listed at 24 retailers as of October 27, 2026, with prices from $12,952 to $29,674, a $16,722 spread on the same certified stone. NZ Jewellers lists it at $29,674. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2526848685
Dimensions7.24 × 7.29 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.24 mm7.29 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526848685
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: $29,674 NZD|Low: $12,952 NZD|High: $29,674 NZD|Avg: $16,604 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
October 29, 2026
Retailer 16$12,952 NZD
Retailer 3$13,228 NZD
Retailer 6$13,457 NZD
Retailer 8$13,584 NZD
Retailer 19$13,625 NZD
Retailer 12$14,316 NZD
Retailer 13$14,493 NZD
Retailer 20$14,503 NZD
Retailer 22$14,828 NZD
Retailer 15$15,781 NZD
Retailer 2$16,013 NZD
Retailer 10$16,095 NZD
Retailer 17$17,263 NZD
Retailer 21$17,566 NZD
Retailer 9$17,992 NZD
Retailer 4$18,153 NZD
Retailer 5$18,348 NZD
Retailer 7$18,547 NZD
Retailer 14$19,176 NZD
Retailer 11$21,022 NZD
Retailer 18$24,860 NZD
NZ Jewellers$29,674 NZD

29 data points across 22 retailers

24 retailers$12,952 NZD to $29,674 NZD

A
Cheapest Retailer
-
$12,952 NZD
HK$56,800 HKD
A
Retailer 2
-
$13,228 NZD
$7,425 USD
View
A
Retailer 3
-
$13,457 NZD
$7,554 USD
View
A
Retailer 4
-
$13,584 NZD
$7,625 USD
View
A
Retailer 5
-
$13,625 NZD
$7,648 USD
View
B+
Retailer 6
-
$14,316 NZD
CA$11,161 CAD
View
B+
Retailer 7
-
$14,493 NZD
$8,135 USD
View
B+
Retailer 8
-
$14,503 NZD
$8,141 USD
View
Final sale: no returns
B+
Retailer 9
-
$14,567 NZD
$8,177 USD
View
B+
Retailer 10
-
$14,828 NZD
$8,323 USD
View
B+
Retailer 11
-
$15,781 NZD
$8,858 USD
View
B+
Retailer 12
-
$16,013 NZD
£7,078 GBP
View
B+
Retailer 13
-
$16,025 NZD
$8,995 USD
View
B+
Retailer 14
-
$16,095 NZD
A$13,899 AUD
View
B+
Retailer 15
-
$17,263 NZD
$9,690 USD
View
B+
Retailer 16
-
$17,566 NZD
$9,860 USD
View
B+
Retailer 17
-
$17,992 NZD
$10,099 USD
View
B+
Retailer 18
-
$18,153 NZD
$10,190 USD
View
B+
Retailer 19
-
$18,348 NZD
€9,809 EUR
View
B
Retailer 20
-
$18,547 NZD
$10,411 USD
View
B+
Retailer 21
-
$19,176 NZD
$10,764 USD
View
B+
Retailer 22
-
$21,022 NZD
ZAR 190,633 ZAR
View
B
Retailer 23
-
$24,860 NZD
£10,988 GBP
View
Most Expensive
B
NZ Jewellers
b9489056-3c7b-48c3-b0bb-1bf644fa44c3 · Oct 27
$29,674 NZD
$16,657 USD
View
23 more retailers have this diamond
Prices start from $12,952 NZDSave up to $16,722 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
$12,952 NZD