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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1509060220

Certificate GIA 1509060220

Diamond specifications and retailer prices

From $20,703 NZD
As of November 6, 2026
Save $13,293 NZD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $33,996 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509060220. Listed at 11 retailers as of November 5, 2026, with prices from $20,703 to $33,996, a $13,293 spread on the same certified stone. NZ Jewellers lists it at $33,996. 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

1.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1509060220
Dimensions7.40 × 7.42 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.40 mm7.42 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509060220
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $33,996 NZD|Low: $20,703 NZD|High: $33,996 NZD|Avg: $26,003 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$20,703 NZD
Retailer 9$20,891 NZD
Retailer 3$22,183 NZD
Retailer 11$22,516 NZD
Retailer 2$23,014 NZD
Retailer 10$24,017 NZD
Retailer 8$25,330 NZD
Retailer 6$25,502 NZD
Retailer 4$29,759 NZD
Retailer 7$31,325 NZD
NZ Jewellers$33,996 NZD

44 data points across 11 retailers

11 retailers$20,703 NZD to $33,996 NZD

B+
Cheapest Retailer
-
$20,703 NZD
B+
Retailer 2
-
$20,891 NZD
View
Retailer 3
-
$22,183 NZD
View
Price last confirmed 14 days ago
Retailer 4
-
$22,516 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$23,014 NZD
View
B
Retailer 6
-
$24,017 NZD
View
B
Retailer 7
-
$25,330 NZD
View
B
Retailer 8
-
$25,502 NZD
View
B
Retailer 9
-
$29,759 NZD
View
B
Retailer 10
-
$31,325 NZD
View
Most Expensive
B
NZ Jewellers
313723fd-1d11-4e15-b394-fc24510bc0d4 · Nov 5
$33,996 NZD
$18,846 USD
View
10 more retailers have this diamond
Prices start from $20,703 NZDSave up to $13,293 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.

B+
1.53ct Round
$20,703 NZD