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Radiant|Natural|GIA

0.51ct G SI1 Radiant Natural Diamond

GD • G/SI1 • GIA 2215721678

Certificate GIA 2215721678

Diamond specifications and retailer prices

From $1,407 CAD
As of November 5, 2026
Save $1,553 CAD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,960 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2215721678. Listed at 9 retailers as of November 4, 2026, with prices from $1,407 to $2,960, a $1,553 spread on the same certified stone. MOH London lists it at $2,960. 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

0.51
Carat
G
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2215721678
Dimensions5.20 × 4.15 × 2.59 mm
L/W Ratio1.25
Culet sizeNone
Top View
5.20 mm4.15 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2215721678
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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: $2,960 CAD|Low: $1,414 CAD|High: $3,005 CAD|Avg: $2,172 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 6$1,414 CAD
Retailer 2$1,829 CAD
Retailer 5$2,030 CAD
Retailer 7$2,118 CAD
Retailer 3$2,255 CAD
Retailer 4$2,501 CAD
MOH London$2,960 CAD

45 data points across 7 retailers

9 retailers$1,407 CAD to $2,960 CAD

B+
Cheapest Retailer
-
$1,407 CAD
B+
Retailer 2
-
$1,414 CAD
View
B
Retailer 3
-
$1,602 CAD
View
B
Retailer 4
-
$1,829 CAD
View
B
Retailer 5
-
$2,030 CAD
View
Retailer 6
-
$2,118 CAD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$2,255 CAD
View
B
Retailer 8
-
$2,501 CAD
View
Most Expensive
B
MOH London
C7EDCC138 · Nov 4
$2,960 CAD
£1,657 GBP
View
8 more retailers have this diamond
Prices start from $1,407 CADSave up to $1,553 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+
0.51ct Radiant
$1,407 CAD