CaratHunter
Plans
Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • GIA 5553458174

Certificate GIA 5553458174

Diamond specifications and retailer prices

From $733 CAD
As of November 4, 2026
Save $218 CAD (23%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $951 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553458174. Listed at 6 retailers as of November 4, 2026, with prices from $733 to $951, a $218 spread on the same certified stone. Blue Nile lists it at $951. 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

0.51
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553458174
Dimensions5.58 × 3.66 × 2.43 mm
L/W Ratio1.52
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.58 mm3.66 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553458174
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.4%

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 4
Current: $951 CAD|Low: $641 CAD|High: $1,004 CAD|Avg: $828 CAD|-5.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$733 CAD
Retailer 5$749 CAD
Retailer 3$761 CAD
Retailer 4$818 CAD
Retailer 2$908 CAD
Blue Nile$951 CAD

41 data points across 6 retailers

6 retailers$733 CAD to $951 CAD

A
Cheapest Retailer
-
$733 CAD
A
Retailer 2
-
$749 CAD
View
Final sale: no returns
A
Retailer 3
-
$761 CAD
View
A
Retailer 4
-
$818 CAD
View
B+
Retailer 5
-
$908 CAD
View
Most Expensive
B+
Blue Nile
29346199 · Nov 5
$951 CAD
$681 USD
View
5 more retailers have this diamond
Prices start from $733 CADSave up to $218 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
$733 CAD