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Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 6542465909

Certificate GIA 6542465909

Diamond specifications and retailer prices

From $588 CAD
$421 USD
As of October 29, 2026
Save $893 CAD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,481 CAD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542465909. Listed at 16 retailers as of October 29, 2026, with prices from $588 to $1,481, a $893 spread on the same certified stone. MOH London lists it at $1,481. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542465909
Dimensions5.27 × 3.84 × 2.62 mm
L/W Ratio1.37
Top View
5.27 mm3.84 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542465909
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NDepth 68.3%

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: Oct 29
Current: $1,481 CAD|Low: $550 CAD|High: $2,493 CAD|Avg: $971 CAD|-6.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$588 CAD
Retailer 17$638 CAD
Retailer 5$687 CAD
Retailer 13$687 CAD
Retailer 16$736 CAD
Retailer 9$758 CAD
Retailer 10$794 CAD
Retailer 12$800 CAD
Retailer 14$915 CAD
Retailer 8$920 CAD
Retailer 15$929 CAD
Retailer 7$942 CAD
Retailer 11$964 CAD
Retailer 2$985 CAD
Retailer 6$1,042 CAD
MOH London$1,481 CAD
Retailer 3$2,446 CAD

38 data points across 17 retailers

16 retailers$588 CAD to $1,481 CAD

A
Cheapest Retailer
-
$588 CAD
$421 USD
Final sale: no returns
A
Retailer 2
-
$638 CAD
$457 USD
View
B+
Retailer 3
-
$687 CAD
$492 USD
View
A
Retailer 4
-
$687 CAD
$492 USD
View
B+
Retailer 5
-
$736 CAD
$527 USD
View
B+
Retailer 6
-
$794 CAD
£448 GBP
View
B+
Retailer 7
-
$800 CAD
£451 GBP
View
B
Retailer 8
-
$915 CAD
$655 USD
View
Retailer 9
-
$920 CAD
$659 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$929 CAD
$665 USD
View
B
Retailer 11
-
$942 CAD
$674 USD
View
B+
Retailer 12
-
$964 CAD
€657 EUR
View
B
Retailer 13
-
$985 CAD
ZAR 11,389 ZAR
View
Retailer 14
-
$1,042 CAD
A$1,148 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
ABBE5E4C0 · Oct 29
$1,481 CAD
£835 GBP
View
14 more retailers have this diamond
Prices start from $588 CADSave up to $893 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
$588 CAD