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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552673012

Certificate GIA 6552673012

Diamond specifications and retailer prices

From $10,175 NZD
HK$44,800 HKD
As of November 1, 2026
Save $12,943 NZD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $23,117 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 6552673012. Listed at 10 retailers as of October 30, 2026, with prices from $10,175 to $23,117, a $12,943 spread on the same certified stone. NZ Jewellers lists it at $23,117. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552673012
Dimensions7.23 × 7.29 × 4.55 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.23 mm7.29 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552673012
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 1
Current: $23,117 NZD|Low: $10,084 NZD|High: $24,870 NZD|Avg: $15,169 NZD|-7.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$10,175 NZD
Retailer 3$11,536 NZD
Retailer 6$11,765 NZD
Retailer 9$12,043 NZD
Retailer 5$13,822 NZD
Retailer 8$14,212 NZD
Retailer 4$15,172 NZD
Retailer 2$19,262 NZD
NZ Jewellers$23,117 NZD

43 data points across 9 retailers

10 retailers$10,175 NZD to $23,117 NZD

A
Cheapest Retailer
-
$10,175 NZD
HK$44,800 HKD
A
Retailer 2
-
$11,536 NZD
€6,192 EUR
View
A
Retailer 3
-
$11,765 NZD
$6,631 USD
View
Retailer 4
-
$12,043 NZD
SGD 9,172 SGD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$13,822 NZD
$7,790 USD
View
A
Retailer 6
-
$14,212 NZD
$8,010 USD
View
B+
Retailer 7
-
$14,345 NZD
A$12,438 AUD
View
B+
Retailer 8
-
$15,172 NZD
€8,144 EUR
View
B+
Retailer 9
-
$19,262 NZD
£8,548 GBP
View
Most Expensive
B
NZ Jewellers
df459700-bc96-43ab-b655-bc388fce4981 · Oct 30
$23,117 NZD
$13,029 USD
View
9 more retailers have this diamond
Prices start from $10,175 NZDSave up to $12,943 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
$10,175 NZD