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Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1525968947

Certificate GIA 1525968947

Diamond specifications and retailer prices

From $10,538 NZD
As of November 5, 2026
Save $8,870 NZD (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $22,493 NZD at NZ Jewellers · As of September 28, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525968947. Listed at 25 retailers as of November 4, 2026, with a 84% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1525968947
Dimensions7.27 × 7.34 × 4.54 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.27 mm7.34 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525968947
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,045 NZD|Low: $10,538 NZD|High: $19,666 NZD|Avg: $13,373 NZD
Retailer 1
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
November 6, 2026
Retailer 3$10,538 NZD
Retailer 6$11,033 NZD
Retailer 1$11,045 NZD
Retailer 4$11,184 NZD
Retailer 7$11,677 NZD
Retailer 16$11,716 NZD
Retailer 5$12,436 NZD
Retailer 9$12,822 NZD
Retailer 2$12,887 NZD
Retailer 11$12,947 NZD
Retailer 15$13,463 NZD
Retailer 17$14,074 NZD
Retailer 8$14,193 NZD
Retailer 12$14,884 NZD
Retailer 10$15,389 NZD
Retailer 13$17,036 NZD
Retailer 14$19,408 NZD

29 data points across 17 retailers

25 retailers$10,538 NZD to $19,408 NZD

B+
Cheapest Retailer
-
$10,538 NZD
B+
Retailer 2
-
$10,843 NZD
View
B+
Retailer 3
-
$11,033 NZD
View
B+
Retailer 4
-
$11,045 NZD
View
B+
Retailer 5
-
$11,184 NZD
View
B+
Retailer 6
-
$11,677 NZD
View
Final sale: no returns
B+
Retailer 7
-
$11,716 NZD
View
B+
Retailer 8
-
$12,436 NZD
View
Retailer 9
-
$12,822 NZD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$12,887 NZD
View
B+
Retailer 11
-
$12,947 NZD
View
Retailer 12
-
$13,223 NZD
View
Price last confirmed 31 days ago
Retailer 13
-
$13,448 NZD
View
Price last confirmed 29 days ago
Retailer 14
-
$13,463 NZD
View
Price last confirmed 15 days ago
Retailer 15
-
$13,656 NZD
View
Price last confirmed 38 days ago
Retailer 16
-
$13,834 NZD
View
Price last confirmed 60 days ago
B+
Retailer 17
-
$14,074 NZD
View
B+
Retailer 18
-
$14,193 NZD
View
B+
Retailer 19
-
$14,884 NZD
View
B+
Retailer 20
-
$15,389 NZD
View
Retailer 21
-
$15,517 NZD
View
Price last confirmed 38 days ago
Retailer 22
-
$15,963 NZD
View
Price last confirmed 60 days ago
B
Retailer 23
-
$17,036 NZD
View
B
Retailer 24
-
$19,408 NZD
View
Most Expensive
NZ Jewellers
2977511e-c96a-4267-82e5-4abcd9b343e3 · Sep 28
$22,493 NZD
$12,469 USD
View
Price last confirmed 39 days ago
24 more retailers have this diamond
Prices start from $10,538 NZDSave up to $8,870 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.

B+
1.50ct Round
$10,538 NZD