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Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1525580510

Certificate GIA 1525580510

Diamond specifications and retailer prices

From $1,364 NZD
As of November 4, 2026
Save $3,090 NZD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,454 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525580510. Listed at 14 retailers as of November 4, 2026, with prices from $1,364 to $4,454, a $3,090 spread on the same certified stone. NZ Jewellers lists it at $4,454. 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

0.73
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1525580510
Dimensions5.70 × 5.74 × 3.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.70 mm5.74 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525580510
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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 4
Current: $4,454 NZD|Low: $1,364 NZD|High: $4,759 NZD|Avg: $2,378 NZD|-6.4%
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
November 5, 2026
Retailer 11$1,364 NZD
Retailer 5$1,434 NZD
Retailer 6$1,522 NZD
Retailer 15$1,665 NZD
Retailer 4$1,784 NZD
Retailer 14$1,786 NZD
Retailer 16$1,982 NZD
Retailer 3$2,065 NZD
Retailer 9$2,109 NZD
Retailer 10$2,296 NZD
Retailer 13$2,381 NZD
Retailer 2$2,726 NZD
Retailer 8$2,949 NZD
Retailer 7$3,187 NZD
Retailer 12$3,339 NZD
NZ Jewellers$4,454 NZD

18 data points across 16 retailers

14 retailers$1,364 NZD to $4,454 NZD

A
Cheapest Retailer
-
$1,364 NZD
A
Retailer 2
-
$1,434 NZD
View
Final sale: no returns
Retailer 3
-
$1,522 NZD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$1,665 NZD
View
B+
Retailer 5
-
$1,784 NZD
View
A
Retailer 6
-
$1,786 NZD
View
B+
Retailer 7
-
$1,982 NZD
View
B+
Retailer 8
-
$2,065 NZD
View
B+
Retailer 9
-
$2,109 NZD
View
B+
Retailer 10
-
$2,296 NZD
View
B+
Retailer 11
-
$2,381 NZD
View
B+
Retailer 12
-
$2,726 NZD
View
B
Retailer 13
-
$3,339 NZD
View
Most Expensive
B
NZ Jewellers
412d9024-f129-4d56-8ef0-877b7238297e · Nov 5
$4,454 NZD
$2,469 USD
View
13 more retailers have this diamond
Prices start from $1,364 NZDSave up to $3,090 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
0.73ct Round
$1,364 NZD