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Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 2518144919

Certificate GIA 2518144919

Diamond specifications and retailer prices

From $610 CAD
$437 USD
As of October 29, 2026
Save $237 CAD (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $847 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 G 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 2518144919. Listed at 7 retailers as of October 29, 2026, with prices from $610 to $847, a $237 spread on the same certified stone. 77 Diamonds lists it at $847. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2518144919
Dimensions5.17 × 3.80 × 2.60 mm
L/W Ratio1.36
Top View
5.17 mm3.80 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518144919
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $847 CAD|Low: $529 CAD|High: $1,048 CAD|Avg: $788 CAD|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$610 CAD
Retailer 2$612 CAD
Retailer 3$629 CAD
Retailer 6$657 CAD
Retailer 10$677 CAD
Retailer 4$732 CAD
77 Diamonds$847 CAD
Retailer 7$1,006 CAD
Retailer 8$1,006 CAD
Retailer 9$1,048 CAD

40 data points across 10 retailers

7 retailers$610 CAD to $847 CAD

A
Cheapest Retailer
-
$610 CAD
$437 USD
Final sale: no returns
A
Retailer 2
-
$612 CAD
$438 USD
View
A
Retailer 3
-
$629 CAD
$450 USD
View
A
Retailer 4
-
$657 CAD
MYR 1,915 MYR
View
Retailer 5
-
$677 CAD
$484 USD
View
Price last confirmed 95 days ago
A
Retailer 6
-
$732 CAD
SGD 708 SGD
View
Most Expensive
B+
77 Diamonds
EMCPBPXRYRUP · Oct 30
$847 CAD
£478 GBP
View
6 more retailers have this diamond
Prices start from $610 CADSave up to $237 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
$610 CAD