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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 1527951597

Certificate GIA 1527951597

Diamond specifications and retailer prices

From $824 AUD
As of November 4, 2026
Save $1,236 AUD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,271 AUD at NZ Jewellers · As of September 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1527951597. Listed at 19 retailers as of November 4, 2026, with a 150% 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
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1527951597
Dimensions5.25 × 3.90 × 2.67 mm
L/W Ratio1.35
Key to symbols
Cloud, Crystal, Feather
Top View
5.25 mm3.90 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1527951597
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.4%

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: $2,271 AUD|Low: $780 AUD|High: $3,750 AUD|Avg: $1,223 AUD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 12$780 AUD
Retailer 8$803 AUD
Retailer 18$824 AUD
Retailer 10$836 AUD
Retailer 6$840 AUD
Retailer 4$930 AUD
Retailer 9$936 AUD
Retailer 5$1,040 AUD
Retailer 11$1,054 AUD
Retailer 13$1,081 AUD
Retailer 7$1,087 AUD
Retailer 15$1,089 AUD
Retailer 2$1,090 AUD
Retailer 16$1,164 AUD
Retailer 14$1,193 AUD
Retailer 17$1,379 AUD
Retailer 20$1,450 AUD
Retailer 19$1,920 AUD
Retailer 3$2,060 AUD
NZ Jewellers$2,271 AUD

34 data points across 20 retailers

19 retailers$824 AUD to $2,060 AUD

Retailer 1
-
$724 AUD
Price last confirmed 36 days ago
Retailer 2
-
$780 AUD
View
Price last confirmed 38 days ago
B+
Retailer 3
-
$824 AUD
View
Final sale: no returns
Retailer 4
-
$836 AUD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$840 AUD
View
B+
Retailer 6
-
$930 AUD
View
Retailer 7
-
$936 AUD
View
Price last confirmed 41 days ago
B
Retailer 8
-
$1,040 AUD
View
B
Retailer 9
-
$1,081 AUD
View
Retailer 10
-
$1,087 AUD
View
Price last confirmed 36 days ago
B
Retailer 11
-
$1,089 AUD
View
B
Retailer 12
-
$1,090 AUD
View
B
Retailer 13
-
$1,164 AUD
View
B
Retailer 14
-
$1,193 AUD
View
B
Retailer 15
-
$1,379 AUD
View
B
Retailer 16
-
$1,450 AUD
View
B
Retailer 17
-
$1,920 AUD
View
B
Retailer 18
-
$2,060 AUD
View
Most Expensive
NZ Jewellers
95dece29-d63a-4ff2-8972-ef637fbbf8f4 · Sep 30
$2,271 AUD
$1,590 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $824 AUDSave up to $1,236 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
$824 AUD