Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3545886109

Certificate GIA 3545886109

Diamond specifications and retailer prices

From $5,196 USD
As of November 6, 2026
Save $6,392 USD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,588 USD 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 $5,196 to $11,588, a $6,392 spread on the same certified stone. NZ Jewellers lists it at $11,588. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,588 USD|Low: $5,145 USD|High: $12,125 USD|Avg: $7,351 USD|-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$5,196 USD
Retailer 2$5,248 USD
Retailer 10$5,580 USD
Retailer 9$6,065 USD
Retailer 7$6,928 USD
Retailer 6$7,035 USD
Retailer 4$7,174 USD
Retailer 3$7,189 USD
Retailer 5$10,180 USD
NZ Jewellers$11,588 USD

39 data points across 10 retailers

11 retailers$5,196 USD to $11,588 USD

A
Cheapest Retailer
-
$5,196 USD
A
Retailer 2
-
$5,248 USD
View
A
Retailer 3
-
$5,580 USD
View
Final sale: no returns
A
Retailer 4
-
$6,065 USD
View
Retailer 5
-
$6,201 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$6,928 USD
View
A
Retailer 7
-
$7,035 USD
View
A
Retailer 8
-
$7,174 USD
View
A
Retailer 9
-
$7,189 USD
View
B+
Retailer 10
-
$10,180 USD
View
Most Expensive
B
NZ Jewellers
e324c066-9496-453e-8af8-c3e67ee8af55 · Nov 5
$11,588 USD
View
10 more retailers have this diamond
Prices start from $5,196 USDSave up to $6,392 USD

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
$5,196 USD