Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 2518144919

Certificate GIA 2518144919

Diamond specifications and retailer prices

From €391 EUR
$437 USD
As of October 29, 2026
Save €152 EUR (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €543 EUR 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 €391 to €543, a €152 spread on the same certified stone. 77 Diamonds lists it at €543. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €543 EUR|Low: €339 EUR|High: €671 EUR|Avg: €505 EUR|-0.0%
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€391 EUR
Retailer 2€392 EUR
Retailer 3€403 EUR
Retailer 6€421 EUR
Retailer 10€434 EUR
Retailer 4€469 EUR
77 Diamonds€543 EUR
Retailer 7€644 EUR
Retailer 8€644 EUR
Retailer 9€671 EUR

38 data points across 10 retailers

7 retailers€391 EUR to €543 EUR

A
Cheapest Retailer
-
€391 EUR
$437 USD
Final sale: no returns
A
Retailer 2
-
€392 EUR
$438 USD
View
A
Retailer 3
-
€403 EUR
$450 USD
View
A
Retailer 4
-
€421 EUR
MYR 1,915 MYR
View
Retailer 5
-
€434 EUR
$484 USD
View
Price last confirmed 97 days ago
A
Retailer 6
-
€469 EUR
SGD 708 SGD
View
Most Expensive
B+
77 Diamonds
EMCPBPXRYRUP · Oct 30
€543 EUR
£478 GBP
View
6 more retailers have this diamond
Prices start from €391 EURSave up to €152 EUR

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
€391 EUR