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Radiant|Natural|GIA

1.51ct G IF Radiant Natural Diamond

VG • G/IF • GIA 6555666604

Certificate GIA 6555666604

Diamond specifications and retailer prices

From $12,278 CAD
As of November 5, 2026
Save $2,212 CAD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,490 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6555666604. Listed at 4 retailers as of November 5, 2026, with prices from $12,278 to $14,490, a $2,212 spread on the same certified stone. Blue Nile lists it at $14,490. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Color
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle56.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555666604
Dimensions7.66 × 5.97 × 4.08 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeNone
Top View
7.66 mm5.97 mm1.51 ctG / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555666604
Side View
Table 67.0%Crown 46.6°Girdle: MED-STKPavilion 56.2°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $14,490 CAD|Low: $12,180 CAD|High: $14,803 CAD|Avg: $12,990 CAD|-2.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$12,278 CAD
Retailer 2$12,384 CAD
Retailer 3$12,653 CAD
Blue Nile$14,490 CAD

36 data points across 4 retailers

4 retailers$12,278 CAD to $14,490 CAD

A
Cheapest Retailer
-
$12,278 CAD
A
Retailer 2
-
$12,384 CAD
View
A
Retailer 3
-
$12,653 CAD
View
Most Expensive
A
Blue Nile
29602006 · Nov 5
$14,490 CAD
$10,375 USD
View
3 more retailers have this diamond
Prices start from $12,278 CADSave up to $2,212 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
$12,278 CAD