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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 2556299950

Certificate GIA 2556299950

Diamond specifications and retailer prices

From $10,718 CAD
As of November 5, 2026
Save $1,817 CAD (14%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,536 CAD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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 2556299950. Listed at 4 retailers as of November 5, 2026, with prices from $10,718 to $12,536, a $1,817 spread on the same certified stone. The Diamond Guys lists it at $12,536. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle51.43°
Pavilion angle35.64°
OriginNatural
Grading LabGIA
CertificateGIA 2556299950
Dimensions7.74 × 5.77 × 3.90 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
7.74 mm5.77 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556299950
Side View
Table 70.0%Crown 51.43°Girdle: Very ThinPavilion 35.64°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,239 CAD|Low: $8,435 CAD|High: $14,561 CAD|Avg: $11,213 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
The Diamond Guys
November 6, 2026
Retailer 5$8,435 CAD
Retailer 6$8,791 CAD
Retailer 4$9,565 CAD
Retailer 13$10,215 CAD
Retailer 2$10,301 CAD
Retailer 7$10,718 CAD
Retailer 12$10,880 CAD
Retailer 10$11,209 CAD
Retailer 1$11,239 CAD
Retailer 8$11,239 CAD
The Diamond Guys$12,536 CAD
Retailer 14$12,769 CAD
Retailer 9$12,844 CAD
Retailer 3$12,900 CAD
Retailer 11$14,561 CAD

2 data points across 15 retailers

4 retailers$10,718 CAD to $12,536 CAD

B+
Cheapest Retailer
-
$10,718 CAD
B+
Retailer 2
-
$11,239 CAD
View
B+
Retailer 3
-
$11,239 CAD
View
Most Expensive
B
The Diamond Guys
1992899966 · Nov 6
$12,536 CAD
$8,912 USD
View
3 more retailers have this diamond
Prices start from $10,718 CADSave up to $1,817 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.

B+
1.51ct Radiant
$10,718 CAD