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Emerald|Natural|GIA

0.51ct G SI2 Emerald Natural Diamond

VG • G/SI2 • GIA 1538682480

Certificate GIA 1538682480

Diamond specifications and retailer prices

From $511 AUD
As of November 4, 2026
Save $1,611 AUD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,123 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1538682480. Listed at 7 retailers as of November 4, 2026, with prices from $511 to $2,123, a $1,611 spread on the same certified stone. NZ Jewellers lists it at $2,123. 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
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1538682480
Dimensions4.96 × 3.82 × 2.64 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
4.96 mm3.82 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1538682480
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

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: Nov 4
Current: $2,123 AUD|Low: $496 AUD|High: $2,248 AUD|Avg: $902 AUD|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$511 AUD
Retailer 4$580 AUD
Retailer 8$641 AUD
Retailer 2$693 AUD
Retailer 5$716 AUD
Retailer 3$746 AUD
Retailer 7$923 AUD
NZ Jewellers$2,123 AUD

43 data points across 8 retailers

7 retailers$511 AUD to $2,123 AUD

A
Cheapest Retailer
-
$511 AUD
Final sale: no returns
A
Retailer 2
-
$580 AUD
View
A
Retailer 3
-
$693 AUD
View
A
Retailer 4
-
$716 AUD
View
A
Retailer 5
-
$746 AUD
View
B+
Retailer 6
-
$923 AUD
View
Most Expensive
B
NZ Jewellers
da3c8d15-a093-4049-bc51-ce6f784a1a25 · Nov 5
$2,123 AUD
$1,486 USD
View
6 more retailers have this diamond
Prices start from $511 AUDSave up to $1,611 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.

A
0.51ct Emerald
$511 AUD