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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 HK$4,527 HKD
As of November 4, 2026
Save HK$6,786 HKD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,474 HKD 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: HK$12,474 HKD|Low: HK$4,283 HKD|High: HK$20,594 HKD|Avg: HK$6,717 HKD
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 12HK$4,283 HKD
Retailer 8HK$4,409 HKD
Retailer 18HK$4,527 HKD
Retailer 10HK$4,589 HKD
Retailer 6HK$4,613 HKD
Retailer 4HK$5,107 HKD
Retailer 9HK$5,139 HKD
Retailer 5HK$5,711 HKD
Retailer 11HK$5,790 HKD
Retailer 13HK$5,939 HKD
Retailer 7HK$5,970 HKD
Retailer 15HK$5,978 HKD
Retailer 2HK$5,986 HKD
Retailer 16HK$6,394 HKD
Retailer 14HK$6,551 HKD
Retailer 17HK$7,571 HKD
Retailer 20HK$7,963 HKD
Retailer 19HK$10,544 HKD
Retailer 3HK$11,313 HKD
NZ JewellersHK$12,474 HKD

34 data points across 20 retailers

19 retailersHK$4,527 HKD to HK$11,313 HKD

Retailer 1
-
HK$3,978 HKD
Price last confirmed 36 days ago
Retailer 2
-
HK$4,283 HKD
View
Price last confirmed 38 days ago
B+
Retailer 3
-
HK$4,527 HKD
View
Final sale: no returns
Retailer 4
-
HK$4,589 HKD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
HK$4,613 HKD
View
B+
Retailer 6
-
HK$5,107 HKD
View
Retailer 7
-
HK$5,139 HKD
View
Price last confirmed 41 days ago
B
Retailer 8
-
HK$5,711 HKD
View
B
Retailer 9
-
HK$5,939 HKD
View
Retailer 10
-
HK$5,970 HKD
View
Price last confirmed 36 days ago
B
Retailer 11
-
HK$5,978 HKD
View
B
Retailer 12
-
HK$5,986 HKD
View
B
Retailer 13
-
HK$6,394 HKD
View
B
Retailer 14
-
HK$6,551 HKD
View
B
Retailer 15
-
HK$7,571 HKD
View
B
Retailer 16
-
HK$7,963 HKD
View
B
Retailer 17
-
HK$10,544 HKD
View
B
Retailer 18
-
HK$11,313 HKD
View
Most Expensive
NZ Jewellers
95dece29-d63a-4ff2-8972-ef637fbbf8f4 · Sep 30
HK$12,474 HKD
$1,590 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from HK$4,527 HKDSave up to HK$6,786 HKD

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
HK$4,527 HKD