Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 2556028833

Certificate GIA 2556028833

Diamond specifications and retailer prices

From $8,344 CAD
$5,973 USD
As of October 31, 2026
Save $7,480 CAD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $15,824 CAD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556028833. Listed at 9 retailers as of October 30, 2026, with prices from $8,344 to $15,824, a $7,480 spread on the same certified stone. NZ Jewellers lists it at $15,824. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.89°
Pavilion angle34.11°
OriginNatural
Grading LabGIA
CertificateGIA 2556028833
Dimensions7.58 × 5.77 × 3.90 mm
L/W Ratio1.31
Top View
7.58 mm5.77 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556028833
Side View
Table 70.0%Crown 44.89°Girdle: Slightly ThickPavilion 34.11°Culet: NoneDepth 67.6%

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: Oct 31
Current: $15,824 CAD|Low: $8,344 CAD|High: $16,198 CAD|Avg: $10,517 CAD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$8,344 CAD
Retailer 7$8,773 CAD
Retailer 5$8,852 CAD
Retailer 12$9,220 CAD
Retailer 10$9,450 CAD
Retailer 2$9,461 CAD
Retailer 11$9,742 CAD
Retailer 9$9,785 CAD
Retailer 4$10,074 CAD
Retailer 3$10,707 CAD
Retailer 6$13,939 CAD
NZ Jewellers$15,824 CAD

38 data points across 12 retailers

9 retailers$8,344 CAD to $15,824 CAD

A
Cheapest Retailer
-
$8,344 CAD
$5,973 USD
A
Retailer 2
-
$8,773 CAD
$6,280 USD
View
A
Retailer 3
-
$8,852 CAD
£4,990 GBP
View
Retailer 4
-
$9,450 CAD
A$10,408 AUD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$9,461 CAD
$6,773 USD
View
B+
Retailer 6
-
$9,742 CAD
$6,974 USD
View
B+
Retailer 7
-
$9,785 CAD
$7,005 USD
View
B+
Retailer 8
-
$13,939 CAD
£7,857 GBP
View
Most Expensive
B
NZ Jewellers
8996cd54-20d8-49ae-966b-2b52284cc1fc · Oct 30
$15,824 CAD
$11,328 USD
View
8 more retailers have this diamond
Prices start from $8,344 CADSave up to $7,480 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
$8,344 CAD