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Emerald|Natural|GIA

0.51ct G SI2 Emerald Natural Diamond

GD • G/SI2 • GIA 2566483464

Certificate GIA 2566483464

Diamond specifications and retailer prices

From $478 CAD
As of November 5, 2026
Save $1,032 CAD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,509 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566483464. Listed at 7 retailers as of November 4, 2026, with prices from $478 to $1,509, a $1,032 spread on the same certified stone. MOH London lists it at $1,509. 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
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566483464
Dimensions6.21 × 3.55 × 2.11 mm
L/W Ratio1.75
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
6.21 mm3.55 mm0.51 ctG / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2566483464
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,509 CAD|Low: $478 CAD|High: $1,520 CAD|Avg: $868 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$478 CAD
Retailer 5$677 CAD
Retailer 3$802 CAD
Retailer 6$820 CAD
Retailer 7$838 CAD
Retailer 2$980 CAD
MOH London$1,509 CAD

22 data points across 7 retailers

7 retailers$478 CAD to $1,509 CAD

A
Cheapest Retailer
-
$478 CAD
B+
Retailer 2
-
$677 CAD
View
B+
Retailer 3
-
$802 CAD
View
B+
Retailer 4
-
$820 CAD
View
B+
Retailer 5
-
$838 CAD
View
B
Retailer 6
-
$980 CAD
View
Most Expensive
C
MOH London
029A5B045 · Nov 4
$1,509 CAD
£851 GBP
View
6 more retailers have this diamond
Prices start from $478 CADSave up to $1,032 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
0.51ct Emerald
$478 CAD