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Emerald|Natural|GIA

0.51ct G SI2 Emerald Natural Diamond

GD • G/SI2 • GIA 2557963389

Certificate GIA 2557963389

Diamond specifications and retailer prices

From $786 AUD
As of November 6, 2026
Save $1,100 AUD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,566 AUD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2557963389. Listed at 13 retailers as of November 4, 2026, with a 140% 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
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557963389
Dimensions5.27 × 3.68 × 2.62 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Cloud
Top View
5.27 mm3.68 mm0.51 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557963389
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 71.4%

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 6
Current: $2,566 AUD|Low: $711 AUD|High: $2,566 AUD|Avg: $1,095 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 6, 2026
Retailer 4$786 AUD
Retailer 10$819 AUD
Retailer 5$847 AUD
Retailer 11$881 AUD
Retailer 12$944 AUD
Retailer 2$971 AUD
Retailer 7$993 AUD
Retailer 3$1,006 AUD
Retailer 13$1,024 AUD
Retailer 6$1,096 AUD
Retailer 8$1,770 AUD
Retailer 9$1,886 AUD
NZ Jewellers$2,566 AUD

35 data points across 13 retailers

13 retailers$786 AUD to $1,886 AUD

B+
Cheapest Retailer
-
$786 AUD
B+
Retailer 2
-
$819 AUD
View
B+
Retailer 3
-
$847 AUD
View
B+
Retailer 4
-
$881 AUD
View
B
Retailer 5
-
$944 AUD
View
B
Retailer 6
-
$971 AUD
View
B
Retailer 7
-
$993 AUD
View
B
Retailer 8
-
$1,006 AUD
View
B
Retailer 9
-
$1,024 AUD
View
B
Retailer 10
-
$1,096 AUD
View
C
Retailer 11
-
$1,770 AUD
View
C
Retailer 12
-
$1,886 AUD
View
Most Expensive
NZ Jewellers
926abc45-72f2-40db-83d7-2b32922291ab · Nov 5
$2,566 AUD
$1,796 USD
View
Price under review
12 more retailers have this diamond
Prices start from $786 AUDSave up to $1,100 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
$786 AUD