Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

GD • H/SI1 • GIA 6525105448

Certificate GIA 6525105448

Diamond specifications and retailer prices

From $861 AUD
$605 USD
As of October 27, 2026
Save $484 AUD (36%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,126 AUD at MOH London · As of October 26, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6525105448. Listed at 20 retailers as of October 26, 2026, with a 56% 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6525105448
Dimensions5.65 × 3.92 × 2.35 mm
L/W Ratio1.44
Top View
5.65 mm3.92 mm0.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6525105448
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 59.8%

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: Oct 27
Current: $2,126 AUD|Low: $581 AUD|High: $2,148 AUD|Avg: $1,198 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 6$639 AUD
Retailer 9$928 AUD
Retailer 3$1,110 AUD
Retailer 2$1,127 AUD
Retailer 8$1,189 AUD
Retailer 4$1,345 AUD
Retailer 7$1,382 AUD
Retailer 5$1,415 AUD
MOH London$2,126 AUD

38 data points across 9 retailers

20 retailers$861 AUD to $1,345 AUD

B+
Retailer 1
-
$833 AUD
$585 USD
Price last confirmed 7 days ago
B
Retailer 2
-
$861 AUD
$605 USD
View
Retailer 3
-
$867 AUD
$609 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$897 AUD
$630 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$897 AUD
$630 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$928 AUD
$652 USD
View
B
Retailer 7
-
$961 AUD
$675 USD
View
Retailer 8
-
$992 AUD
$697 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,016 AUD
$714 USD
View
Retailer 10
-
$1,098 AUD
$771 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$1,110 AUD
$780 USD
View
Price last confirmed 5 days ago
B
Retailer 12
-
$1,127 AUD
£623 GBP
View
B
Retailer 13
-
$1,162 AUD
$816 USD
View
C
Retailer 14
-
$1,278 AUD
$898 USD
View
B
Retailer 15
-
$1,345 AUD
€900 EUR
View
Retailer 16
-
$1,382 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$1,415 AUD
ZAR 16,063 ZAR
View
Price last confirmed 7 days ago
Most Expensive
MOH London
CC486A0A0 · Oct 26
$2,126 AUD
£1,176 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $861 AUDSave up to $484 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
$861 AUD