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Emerald|Natural|GIA

0.51ct I SI2 Emerald Natural Diamond

GD • I/SI2 • GIA 2554821881

Certificate GIA 2554821881

Diamond specifications and retailer prices

From $486 CAD
$348 USD
As of October 29, 2026
Save $171 CAD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $657 CAD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded I 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 2554821881. Listed at 3 retailers as of October 29, 2026, with prices from $486 to $657, a $171 spread on the same certified stone. 77 Diamonds lists it at $657. 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
I
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554821881
Dimensions5.14 × 3.87 × 2.63 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.14 mm3.87 mm0.51 ctI / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554821881
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 29
Current: $657 CAD|Low: $411 CAD|High: $657 CAD|Avg: $541 CAD|+3.8%
77 Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 2$486 CAD
Retailer 3$518 CAD
77 Diamonds$657 CAD

39 data points across 3 retailers

3 retailers$486 CAD to $657 CAD

B+
Cheapest Retailer
-
$486 CAD
$348 USD
Final sale: no returns
B+
Retailer 2
-
$518 CAD
SGD 501 SGD
View
Most Expensive
B+
77 Diamonds
EMCPAVZKGEDA · Oct 30
$657 CAD
£370 GBP
View
2 more retailers have this diamond
Prices start from $486 CADSave up to $171 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 Emerald
$486 CAD