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1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3545886109

Certificate GIA 3545886109

Diamond specifications and retailer prices

From $9,243 NZD
As of November 6, 2026
Save $11,371 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,614 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3545886109. Listed at 11 retailers as of November 5, 2026, with prices from $9,243 to $20,614, a $11,371 spread on the same certified stone. NZ Jewellers lists it at $20,614. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3545886109
Dimensions7.33 × 7.27 × 4.57 mm
L/W Ratio1.01
Star length45%
Top View
7.33 mm7.27 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545886109
Side View
Table 58.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.7%

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: $20,614 NZD|Low: $9,152 NZD|High: $21,569 NZD|Avg: $13,076 NZD|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$9,243 NZD
Retailer 2$9,336 NZD
Retailer 10$9,926 NZD
Retailer 9$10,789 NZD
Retailer 7$12,324 NZD
Retailer 6$12,515 NZD
Retailer 4$12,762 NZD
Retailer 3$12,789 NZD
Retailer 5$18,109 NZD
NZ Jewellers$20,614 NZD

39 data points across 10 retailers

11 retailers$9,243 NZD to $20,614 NZD

A
Cheapest Retailer
-
$9,243 NZD
A
Retailer 2
-
$9,336 NZD
View
A
Retailer 3
-
$9,926 NZD
View
Final sale: no returns
A
Retailer 4
-
$10,789 NZD
View
Retailer 5
-
$11,031 NZD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$12,324 NZD
View
A
Retailer 7
-
$12,515 NZD
View
A
Retailer 8
-
$12,762 NZD
View
A
Retailer 9
-
$12,789 NZD
View
B+
Retailer 10
-
$18,109 NZD
View
Most Expensive
B
NZ Jewellers
e324c066-9496-453e-8af8-c3e67ee8af55 · Nov 5
$20,614 NZD
$11,588 USD
View
10 more retailers have this diamond
Prices start from $9,243 NZDSave up to $11,371 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
1.51ct Round
$9,243 NZD