Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7478417499

Certificate GIA 7478417499

Diamond specifications and retailer prices

From $10,273 NZD
As of November 1, 2026
Save $9,009 NZD (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $23,142 NZD at NZ Jewellers · As of September 26, 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 7478417499. Listed at 25 retailers as of November 1, 2026, with a 88% 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7478417499
Dimensions7.23 × 7.28 × 4.52 mm
L/W Ratio1.01
Star length50%
Lower girdle70%
Girdle conditionFaceted
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather
Top View
7.23 mm7.28 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7478417499
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: $12,829 NZD|Low: $9,121 NZD|High: $19,516 NZD|Avg: $13,277 NZD|-0.1%
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
November 6, 2026
Retailer 12$10,273 NZD
Retailer 13$10,946 NZD
Retailer 5$11,570 NZD
Retailer 2$11,572 NZD
Retailer 11$11,608 NZD
Retailer 10$12,770 NZD
Retailer 1$12,829 NZD
Retailer 4$12,986 NZD
Retailer 14$13,340 NZD
Retailer 6$13,890 NZD
Retailer 3$13,946 NZD
Retailer 8$14,707 NZD
Retailer 7$16,883 NZD
Retailer 9$19,282 NZD

39 data points across 14 retailers

25 retailers$10,273 NZD to $19,282 NZD

A
Cheapest Retailer
-
$10,273 NZD
B+
Retailer 2
-
$10,744 NZD
View
B+
Retailer 3
-
$10,932 NZD
View
B+
Retailer 4
-
$10,946 NZD
View
B+
Retailer 5
-
$11,081 NZD
View
B+
Retailer 6
-
$11,608 NZD
View
B+
Retailer 7
-
$12,324 NZD
View
Retailer 8
-
$12,535 NZD
View
Price last confirmed 36 days ago
Retailer 9
-
$12,698 NZD
View
Price last confirmed 14 days ago
Retailer 10
-
$12,728 NZD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$12,770 NZD
View
Retailer 12
-
$12,770 NZD
View
Price last confirmed 23 days ago
Retailer 13
-
$12,770 NZD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
$12,829 NZD
View
B+
Retailer 15
-
$12,986 NZD
View
Retailer 16
-
$13,340 NZD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$13,890 NZD
View
B+
Retailer 18
-
$13,890 NZD
View
B+
Retailer 19
-
$13,946 NZD
View
B+
Retailer 20
-
$14,359 NZD
View
Retailer 21
-
$14,464 NZD
View
Price last confirmed 38 days ago
B+
Retailer 22
-
$14,707 NZD
View
B
Retailer 23
-
$16,883 NZD
View
B
Retailer 24
-
$19,282 NZD
View
Most Expensive
NZ Jewellers
971b4a7f-aa71-426e-a8e1-f21f5d602583 · Sep 26
$23,142 NZD
$12,829 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from $10,273 NZDSave up to $9,009 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
$10,273 NZD