Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

GD • G/SI1 • GIA 2567363591

Certificate GIA 2567363591

Diamond specifications and retailer prices

From $510 USD
As of October 28, 2026
Save $775 USD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,735 USD at NZ Jewellers · As of October 27, 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2567363591. Listed at 13 retailers as of October 28, 2026, with a 152% 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567363591
Dimensions5.62 × 3.87 × 2.59 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
5.62 mm3.87 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2567363591
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.9%

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 28
Current: $1,735 USD|Low: $510 USD|High: $1,735 USD|Avg: $794 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
October 29, 2026
Retailer 5$510 USD
Retailer 12$553 USD
Retailer 3$596 USD
Retailer 6$596 USD
Retailer 11$638 USD
Retailer 7$683 USD
Retailer 10$693 USD
Retailer 2$697 USD
Retailer 4$750 USD
Retailer 9$822 USD
Retailer 13$852 USD
Retailer 8$1,285 USD
NZ Jewellers$1,735 USD

15 data points across 13 retailers

13 retailers$510 USD to $1,285 USD

B+
Cheapest Retailer
-
$510 USD
Final sale: no returns
B+
Retailer 2
-
$553 USD
View
B+
Retailer 3
-
$596 USD
View
B+
Retailer 4
-
$596 USD
View
B
Retailer 5
-
$638 USD
View
B
Retailer 6
-
$683 USD
£538 GBP
View
B
Retailer 7
-
$693 USD
£546 GBP
View
B
Retailer 8
-
$697 USD
£548 GBP
View
B
Retailer 9
-
$750 USD
View
B
Retailer 10
-
$822 USD
€783 EUR
View
B
Retailer 11
-
$852 USD
ZAR 13,769 ZAR
View
B
Retailer 12
-
$1,285 USD
£1,012 GBP
View
Most Expensive
C
NZ Jewellers
5325fbc9-4390-46ab-a6d9-e69a117b7994 · Oct 27
$1,735 USD
View
Price under review
12 more retailers have this diamond
Prices start from $510 USDSave up to $775 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
$510 USD