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0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6502223906

Certificate GIA 6502223906

Diamond specifications and retailer prices

From $749 NZD
As of November 6, 2026
Save $2,348 NZD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,097 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6502223906. Listed at 19 retailers as of November 4, 2026, with prices from $749 to $3,097, a $2,348 spread on the same certified stone. NZ Jewellers lists it at $3,097. 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

0.45
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6502223906
Dimensions4.89 × 4.92 × 3.08 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.89 mm4.92 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6502223906
Side View
Table 56.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.8%

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 6
Current: $3,097 NZD|Low: $722 NZD|High: $3,129 NZD|Avg: $1,288 NZD|+4.3%
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
Retailer 17
November 6, 2026
Retailer 2$749 NZD
Retailer 9$865 NZD
Retailer 17$913 NZD
Retailer 15$987 NZD
Retailer 12$998 NZD
Retailer 3$1,005 NZD
Retailer 4$1,064 NZD
Retailer 7$1,074 NZD
Retailer 6$1,140 NZD
Retailer 13$1,219 NZD
Retailer 11$1,222 NZD
Retailer 8$1,236 NZD
Retailer 14$1,334 NZD
Retailer 10$1,379 NZD
Retailer 16$1,530 NZD
Retailer 5$2,277 NZD
NZ Jewellers$3,097 NZD

24 data points across 17 retailers

19 retailers$749 NZD to $3,097 NZD

A
Cheapest Retailer
-
$749 NZD
A
Retailer 2
-
$865 NZD
View
A
Retailer 3
-
$913 NZD
View
Final sale: no returns
A
Retailer 4
-
$987 NZD
View
A
Retailer 5
-
$998 NZD
View
A
Retailer 6
-
$1,005 NZD
View
A
Retailer 7
-
$1,064 NZD
View
Retailer 8
-
$1,074 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$1,140 NZD
View
B+
Retailer 10
-
$1,219 NZD
View
B+
Retailer 11
-
$1,222 NZD
View
A
Retailer 12
-
$1,236 NZD
View
B+
Retailer 13
-
$1,334 NZD
View
B+
Retailer 14
-
$1,379 NZD
View
Retailer 15
-
$1,500 NZD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$1,530 NZD
View
B
Retailer 17
-
$2,277 NZD
View
B
Retailer 18
-
$2,334 NZD
View
Most Expensive
B
NZ Jewellers
83de6d51-aecb-469d-86d7-d4206abe0ea4 · Nov 4
$3,097 NZD
$1,741 USD
View
18 more retailers have this diamond
Prices start from $749 NZDSave up to $2,348 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
0.45ct Round
$749 NZD