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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 2231146918

Certificate GIA 2231146918

Diamond specifications and retailer prices

From $637 SGD
As of November 4, 2026
Save $1,124 SGD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,395 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2231146918. Listed at 18 retailers as of November 4, 2026, with a 176% 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231146918
Dimensions5.45 × 3.61 × 2.50 mm
L/W Ratio1.51
Top View
5.45 mm3.61 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2231146918
Side View
Table 68.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $2,395 SGD|Low: $637 SGD|High: $2,395 SGD|Avg: $1,036 SGD
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
November 6, 2026
Retailer 18$637 SGD
Retailer 8$658 SGD
Retailer 3$692 SGD
Retailer 15$745 SGD
Retailer 17$745 SGD
Retailer 7$798 SGD
Retailer 6$837 SGD
Retailer 5$881 SGD
Retailer 16$881 SGD
Retailer 4$920 SGD
Retailer 11$929 SGD
Retailer 14$945 SGD
Retailer 10$1,010 SGD
Retailer 2$1,067 SGD
Retailer 9$1,175 SGD
Retailer 12$1,178 SGD
Retailer 13$1,761 SGD
NZ Jewellers$2,395 SGD

46 data points across 18 retailers

18 retailers$637 SGD to $1,761 SGD

A
Cheapest Retailer
-
$637 SGD
Final sale: no returns
A
Retailer 2
-
$658 SGD
View
B+
Retailer 3
-
$692 SGD
View
Retailer 4
-
$745 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$745 SGD
View
B+
Retailer 6
-
$798 SGD
View
B+
Retailer 7
-
$837 SGD
View
B
Retailer 8
-
$881 SGD
View
B
Retailer 9
-
$881 SGD
View
B
Retailer 10
-
$920 SGD
View
B
Retailer 11
-
$929 SGD
View
B
Retailer 12
-
$945 SGD
View
Retailer 13
-
$1,010 SGD
View
Price last confirmed 41 days ago
B
Retailer 14
-
$1,067 SGD
View
Retailer 15
-
$1,175 SGD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$1,178 SGD
View
B
Retailer 17
-
$1,761 SGD
View
Most Expensive
NZ Jewellers
512fb3e4-be19-4846-bcc9-ccd5dd914726 · Nov 5
$2,395 SGD
$1,875 USD
View
Price under review
17 more retailers have this diamond
Prices start from $637 SGDSave up to $1,124 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
$637 SGD