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Emerald|Natural|GIA

0.51ct J SI2 Emerald Natural Diamond

GD • J/SI2 • GIA 2557823880

Certificate GIA 2557823880

Diamond specifications and retailer prices

From $468 AUD
$329 USD
As of November 2, 2026
Save $163 AUD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $632 AUD at 77 Diamonds · As of November 2, 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 J 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 2557823880. Listed at 3 retailers as of November 2, 2026, with prices from $468 to $632, a $163 spread on the same certified stone. 77 Diamonds lists it at $632. 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
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557823880
Dimensions4.91 × 3.78 × 2.71 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.91 mm3.78 mm0.51 ctJ / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557823880
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.8%

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: $632 AUD|Low: $468 AUD|High: $632 AUD|Avg: $551 AUD|+3.2%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$468 AUD
Retailer 3$497 AUD
77 Diamonds$632 AUD

39 data points across 3 retailers

3 retailers$468 AUD to $632 AUD

B+
Cheapest Retailer
-
$468 AUD
$329 USD
Final sale: no returns
B+
Retailer 2
-
$497 AUD
SGD 472 SGD
View
Most Expensive
B+
77 Diamonds
EMCPXMQKTMU7 · Nov 2
$632 AUD
£349 GBP
View
2 more retailers have this diamond
Prices start from $468 AUDSave up to $163 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
$468 AUD