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Emerald|Natural|GIA

0.51ct I SI2 Emerald Natural Diamond

GD • I/SI2 • GIA 2554821881

Certificate GIA 2554821881

Diamond specifications and retailer prices

From $617 NZD
$348 USD
As of October 31, 2026
Save $217 NZD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $834 NZD at 77 Diamonds · As of November 1, 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 I 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 2554821881. Listed at 3 retailers as of October 31, 2026, with prices from $617 to $834, a $217 spread on the same certified stone. 77 Diamonds lists it at $834. 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
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554821881
Dimensions5.14 × 3.87 × 2.63 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.14 mm3.87 mm0.51 ctI / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554821881
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 31
Current: $834 NZD|Low: $522 NZD|High: $834 NZD|Avg: $685 NZD|+3.8%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$617 NZD
Retailer 3$658 NZD
77 Diamonds$834 NZD

38 data points across 3 retailers

3 retailers$617 NZD to $834 NZD

B+
Cheapest Retailer
-
$617 NZD
$348 USD
Final sale: no returns
B+
Retailer 2
-
$658 NZD
SGD 501 SGD
View
Most Expensive
B+
77 Diamonds
EMCPAVZKGEDA · Nov 1
$834 NZD
£370 GBP
View
2 more retailers have this diamond
Prices start from $617 NZDSave up to $217 NZD

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
$617 NZD