Emerald|Natural|GIA

0.51ct G SI2 Emerald Natural Diamond

GD • G/SI2 • GIA 2557963389

Certificate GIA 2557963389

Diamond specifications and retailer prices

From $550 USD
As of November 4, 2026
Save $770 USD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,796 USD 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
Color
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 4
Current: $1,796 USD|Low: $498 USD|High: $1,796 USD|Avg: $766 USD
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$550 USD
Retailer 10$573 USD
Retailer 5$593 USD
Retailer 11$617 USD
Retailer 12$661 USD
Retailer 2$680 USD
Retailer 7$695 USD
Retailer 3$704 USD
Retailer 13$717 USD
Retailer 6$767 USD
Retailer 8$1,239 USD
Retailer 9$1,320 USD
NZ Jewellers$1,796 USD

35 data points across 13 retailers

13 retailers$550 USD to $1,320 USD

B+
Cheapest Retailer
-
$550 USD
B+
Retailer 2
-
$573 USD
View
B+
Retailer 3
-
$593 USD
View
B+
Retailer 4
-
$617 USD
View
B
Retailer 5
-
$661 USD
View
B
Retailer 6
-
$680 USD
View
B
Retailer 7
-
$695 USD
View
B
Retailer 8
-
$704 USD
View
B
Retailer 9
-
$717 USD
View
B
Retailer 10
-
$767 USD
View
C
Retailer 11
-
$1,239 USD
View
C
Retailer 12
-
$1,320 USD
View
Most Expensive
NZ Jewellers
926abc45-72f2-40db-83d7-2b32922291ab · Nov 5
$1,796 USD
View
Price under review
12 more retailers have this diamond
Prices start from $550 USDSave up to $770 USD

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
$550 USD