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Emerald|Natural|GIA

0.51ct H SI2 Emerald Natural Diamond

GD • H/SI2 • GIA 6451960939

Certificate GIA 6451960939

Diamond specifications and retailer prices

From $1,610 NZD
As of November 1, 2026
Save $500 NZD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,538 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded H 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 6451960939. Listed at 10 retailers as of November 1, 2026, with a 31% 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
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6451960939
Dimensions5.65 × 3.70 × 2.50 mm
L/W Ratio1.53
Top View
5.65 mm3.70 mm0.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6451960939
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,110 NZD|Low: $1,610 NZD|High: $4,433 NZD|Avg: $2,288 NZD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 6, 2026
Retailer 3$1,610 NZD
Retailer 6$1,647 NZD
Retailer 8$1,647 NZD
Retailer 4$1,710 NZD
Retailer 9$1,829 NZD
Retailer 7$1,900 NZD
Retailer 1$2,110 NZD
Yorxs$2,538 NZD
Retailer 2$3,325 NZD
Retailer 5$4,433 NZD

44 data points across 10 retailers

10 retailers$1,610 NZD to $2,110 NZD

B
Cheapest Retailer
-
$1,610 NZD
Retailer 2
-
$1,647 NZD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$1,647 NZD
View
C
Retailer 4
-
$1,710 NZD
View
C
Retailer 5
-
$1,900 NZD
View
C
Retailer 6
-
$2,090 NZD
View
C
Retailer 7
-
$2,110 NZD
View
Most Expensive
Yorxs
99D58E086 · Nov 6
$2,538 NZD
€1,359 EUR
View
Price under review
7 more retailers have this diamond
Prices start from $1,610 NZDSave up to $500 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
$1,610 NZD