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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557449353

Certificate GIA 2557449353

Diamond specifications and retailer prices

From $6,261 CAD
As of November 2, 2026
Save $5,318 CAD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,579 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557449353. Listed at 6 retailers as of November 2, 2026, with prices from $6,261 to $11,579, a $5,318 spread on the same certified stone. NZ Jewellers lists it at $11,579. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.8°
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 2557449353
Dimensions7.70 × 5.89 × 3.85 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
7.70 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557449353
Side View
Table 70.0%Crown 46.8°GirdlePavilion 37.54°Culet: NoneDepth 65.4%

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 2
Current: $11,579 CAD|Low: $6,100 CAD|High: $11,893 CAD|Avg: $7,948 CAD|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$6,100 CAD
Retailer 7$6,136 CAD
Retailer 2$6,261 CAD
Retailer 4$6,646 CAD
Retailer 5$6,646 CAD
Retailer 3$10,583 CAD
NZ Jewellers$11,579 CAD

29 data points across 7 retailers

6 retailers$6,261 CAD to $11,579 CAD

Retailer 1
-
$6,100 CAD
Price last confirmed 21 days ago
A
Retailer 2
-
$6,261 CAD
View
A
Retailer 3
-
$6,646 CAD
View
A
Retailer 4
-
$6,646 CAD
View
B+
Retailer 5
-
$10,583 CAD
View
Most Expensive
B+
NZ Jewellers
7b1e8911-a1f6-43bf-94fe-9352a2776896 · Nov 3
$11,579 CAD
$8,232 USD
View
5 more retailers have this diamond
Prices start from $6,261 CADSave up to $5,318 CAD

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 Radiant
$6,261 CAD