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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

EX • F/SI1 • GIA 2548820291

Certificate GIA 2548820291

Diamond specifications and retailer prices

From $542 SGD
As of November 4, 2026
Save $1,257 SGD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,445 SGD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2548820291. Listed at 16 retailers as of November 4, 2026, with a 232% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548820291
Dimensions5.36 × 3.74 × 2.58 mm
L/W Ratio1.43
Top View
5.36 mm3.74 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548820291
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $571 SGD|Low: $542 SGD|High: $1,821 SGD|Avg: $1,036 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$542 SGD
Retailer 1$571 SGD
Retailer 3$943 SGD
Retailer 6$1,022 SGD
Retailer 2$1,143 SGD
Retailer 8$1,171 SGD
Retailer 5$1,203 SGD
Retailer 4$1,798 SGD

36 data points across 8 retailers

16 retailers$542 SGD to $1,798 SGD

A
Cheapest Retailer
-
$542 SGD
Final sale: no returns
A
Retailer 2
-
$571 SGD
View
B+
Retailer 3
-
$738 SGD
View
B+
Retailer 4
-
$779 SGD
View
B+
Retailer 5
-
$839 SGD
View
Retailer 6
-
$839 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$899 SGD
View
B+
Retailer 8
-
$943 SGD
View
B+
Retailer 9
-
$948 SGD
View
Retailer 10
-
$1,008 SGD
View
Price last confirmed 41 days ago
B+
Retailer 11
-
$1,022 SGD
View
B
Retailer 12
-
$1,143 SGD
View
Retailer 13
-
$1,171 SGD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$1,203 SGD
View
B
Retailer 15
-
$1,798 SGD
View
Most Expensive
NZ Jewellers
01ec37c2-3384-4ca3-8c6e-77a1e4fc563d · Nov 5
$2,445 SGD
$1,914 USD
View
Price under review
15 more retailers have this diamond
Prices start from $542 SGDSave up to $1,257 SGD

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.

A
0.51ct Emerald
$542 SGD