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Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7562399825

Certificate GIA 7562399825

Diamond specifications and retailer prices

From $8,549 NZD
As of November 7, 2026
Save $7,804 NZD (48%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $17,973 NZD at Queensmith · As of October 15, 2026
View at Queensmith

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 7562399825. Listed at 32 retailers as of November 4, 2026, with a 91% 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 angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7562399825
Dimensions7.36 × 7.32 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Cloud, Indented Natural, Natural
Top View
7.36 mm7.32 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7562399825
Side View
Table 61.0%Crown 34°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.5%

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: Nov 7
Current: $17,973 NZD|Low: $8,549 NZD|High: $17,973 NZD|Avg: $11,886 NZD|+2.2%
Queensmith
Retailer 2
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Retailer 6
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Retailer 23
Retailer 24
Retailer 25
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Retailer 29
November 7, 2026
Retailer 16$8,549 NZD
Retailer 6$8,792 NZD
Retailer 12$8,796 NZD
Retailer 11$8,906 NZD
Retailer 8$9,306 NZD
Retailer 2$9,748 NZD
Retailer 5$9,750 NZD
Retailer 15$9,961 NZD
Retailer 18$10,059 NZD
Retailer 4$10,080 NZD
Retailer 29$10,262 NZD
Retailer 25$10,472 NZD
Retailer 19$10,636 NZD
Retailer 24$10,708 NZD
Retailer 27$10,735 NZD
Retailer 26$11,141 NZD
Retailer 9$11,256 NZD
Retailer 20$11,256 NZD
Retailer 21$11,289 NZD
Retailer 22$11,328 NZD
Retailer 17$11,406 NZD
Retailer 14$11,635 NZD
Retailer 23$11,832 NZD
Retailer 28$11,938 NZD
Retailer 3$13,580 NZD
Retailer 13$13,849 NZD
Retailer 10$16,125 NZD
Retailer 7$16,352 NZD
Queensmith$17,973 NZD

22 data points across 29 retailers

32 retailers$8,549 NZD to $16,352 NZD

A
Cheapest Retailer
-
$8,549 NZD
A
Retailer 2
-
$8,792 NZD
View
A
Retailer 3
-
$8,796 NZD
View
A
Retailer 4
-
$8,906 NZD
View
A
Retailer 5
-
$9,155 NZD
View
A
Retailer 6
-
$9,306 NZD
View
Final sale: no returns
Retailer 7
-
$9,514 NZD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$9,748 NZD
View
A
Retailer 9
-
$9,750 NZD
View
B+
Retailer 10
-
$9,961 NZD
View
Retailer 11
-
$10,059 NZD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$10,080 NZD
View
B+
Retailer 13
-
$10,262 NZD
View
B+
Retailer 14
-
$10,472 NZD
View
B+
Retailer 15
-
$10,636 NZD
View
B+
Retailer 16
-
$10,708 NZD
View
B+
Retailer 17
-
$10,735 NZD
View
B+
Retailer 18
-
$11,141 NZD
View
B+
Retailer 19
-
$11,256 NZD
View
B+
Retailer 20
-
$11,256 NZD
View
Retailer 21
-
$11,289 NZD
View
Price last confirmed 28 days ago
Retailer 22
-
$11,328 NZD
View
Price last confirmed 23 days ago
B+
Retailer 23
-
$11,406 NZD
View
Retailer 24
-
$11,420 NZD
View
Price last confirmed 30 days ago
B+
Retailer 25
-
$11,635 NZD
View
B+
Retailer 26
-
$11,832 NZD
View
B+
Retailer 27
-
$11,938 NZD
View
B
Retailer 28
-
$13,580 NZD
View
B+
Retailer 29
-
$13,849 NZD
View
B
Retailer 30
-
$16,125 NZD
View
B
Retailer 31
-
$16,352 NZD
View
Most Expensive
Queensmith
7562399825 · Oct 15
$17,973 NZD
£7,845 GBP
View
Price last confirmed 22 days ago
31 more retailers have this diamond
Prices start from $8,549 NZDSave up to $7,804 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
$8,549 NZD