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Round|Natural|GIA

1.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545380193

Certificate GIA 6545380193

Diamond specifications and retailer prices

From $6,185 NZD
As of November 5, 2026
Save $8,683 NZD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,868 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.45ct natural round diamond

This 1.45ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545380193. Listed at 16 retailers as of November 5, 2026, with prices from $6,185 to $14,868, a $8,683 spread on the same certified stone. NZ Jewellers lists it at $14,868. 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

1.45
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545380193
Dimensions7.22 × 7.25 × 4.50 mm
L/W Ratio1.00
Top View
7.22 mm7.25 mm1.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545380193
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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 5
Current: $14,868 NZD|Low: $6,185 NZD|High: $14,868 NZD|Avg: $9,109 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
November 6, 2026
Retailer 10$6,185 NZD
Retailer 8$6,578 NZD
Retailer 2$7,258 NZD
Retailer 5$7,443 NZD
Retailer 11$8,348 NZD
Retailer 13$8,521 NZD
Retailer 3$8,533 NZD
Retailer 4$8,533 NZD
Retailer 6$8,535 NZD
Retailer 7$8,782 NZD
Retailer 9$9,540 NZD
Retailer 12$13,555 NZD
NZ Jewellers$14,868 NZD

28 data points across 13 retailers

16 retailers$6,185 NZD to $14,868 NZD

A
Cheapest Retailer
-
$6,185 NZD
A
Retailer 2
-
$6,578 NZD
View
Final sale: no returns
A
Retailer 3
-
$7,258 NZD
View
A
Retailer 4
-
$7,443 NZD
View
A
Retailer 5
-
$7,813 NZD
View
A
Retailer 6
-
$8,348 NZD
View
A
Retailer 7
-
$8,521 NZD
View
A
Retailer 8
-
$8,533 NZD
View
A
Retailer 9
-
$8,533 NZD
View
Retailer 10
-
$8,533 NZD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$8,535 NZD
View
A
Retailer 12
-
$8,782 NZD
View
A
Retailer 13
-
$8,982 NZD
View
A
Retailer 14
-
$9,540 NZD
View
B+
Retailer 15
-
$13,555 NZD
View
Most Expensive
B
NZ Jewellers
71afce18-8478-44f3-95ed-a6e1ce9ff6ec · Nov 5
$14,868 NZD
$8,358 USD
View
15 more retailers have this diamond
Prices start from $6,185 NZDSave up to $8,683 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
1.45ct Round
$6,185 NZD