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Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

GD • G/SI1 • GIA 2567363591

Certificate GIA 2567363591

Diamond specifications and retailer prices

From $726 AUD
$510 USD
As of November 2, 2026
Save $1,093 AUD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,470 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2567363591. Listed at 13 retailers as of November 1, 2026, with a 151% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567363591
Dimensions5.62 × 3.87 × 2.59 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
5.62 mm3.87 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2567363591
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.9%

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: Nov 2
Current: $2,470 AUD|Low: $726 AUD|High: $2,470 AUD|Avg: $1,133 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$726 AUD
Retailer 13$787 AUD
Retailer 3$848 AUD
Retailer 10$848 AUD
Retailer 12$908 AUD
Retailer 2$967 AUD
Retailer 6$987 AUD
Retailer 11$987 AUD
Retailer 4$1,068 AUD
Retailer 8$1,172 AUD
Retailer 9$1,216 AUD
Retailer 7$1,819 AUD
NZ Jewellers$2,470 AUD

19 data points across 13 retailers

13 retailers$726 AUD to $1,819 AUD

B+
Cheapest Retailer
-
$726 AUD
$510 USD
Final sale: no returns
B+
Retailer 2
-
$787 AUD
$553 USD
View
B+
Retailer 3
-
$848 AUD
$596 USD
View
B+
Retailer 4
-
$848 AUD
$596 USD
View
B
Retailer 5
-
$908 AUD
$638 USD
View
B
Retailer 6
-
$967 AUD
£535 GBP
View
B
Retailer 7
-
$987 AUD
£546 GBP
View
B
Retailer 8
-
$987 AUD
£546 GBP
View
B
Retailer 9
-
$1,068 AUD
$750 USD
View
B
Retailer 10
-
$1,172 AUD
€784 EUR
View
B
Retailer 11
-
$1,216 AUD
ZAR 13,796 ZAR
View
B
Retailer 12
-
$1,819 AUD
£1,006 GBP
View
Most Expensive
NZ Jewellers
5325fbc9-4390-46ab-a6d9-e69a117b7994 · Oct 30
$2,470 AUD
$1,735 USD
View
Price under review
12 more retailers have this diamond
Prices start from $726 AUDSave up to $1,093 AUD

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
$726 AUD