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Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

GD • H/SI1 • GIA 2564177545

Certificate GIA 2564177545

Diamond specifications and retailer prices

From $678 SGD
$530 USD
As of October 30, 2026
Save $390 SGD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,110 SGD at Torres Jewel Co · As of October 4, 2026
View at Torres Jewel Co

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 2564177545. Listed at 15 retailers as of October 30, 2026, with a 57% 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 2564177545
Dimensions5.35 × 3.82 × 2.55 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.35 mm3.82 mm0.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564177545
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

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 30
Current: $1,067 SGD|Low: $508 SGD|High: $3,936 SGD|Avg: $1,797 SGD|-51.7%
Retailer 1
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
Torres Jewel Co
October 31, 2026
Retailer 8$508 SGD
Retailer 10$678 SGD
Retailer 11$753 SGD
Retailer 9$903 SGD
Retailer 1$1,067 SGD
Retailer 3$1,546 SGD
Retailer 16$1,613 SGD
Retailer 7$1,676 SGD
Retailer 2$1,764 SGD
Retailer 5$1,786 SGD
Retailer 15$1,863 SGD
Retailer 6$2,005 SGD
Torres Jewel Co$2,110 SGD
Retailer 12$2,496 SGD
Retailer 4$2,725 SGD
Retailer 13$2,991 SGD
Retailer 14$3,936 SGD

34 data points across 17 retailers

15 retailers$678 SGD to $1,067 SGD

B+
Cheapest Retailer
-
$678 SGD
$530 USD
B+
Retailer 2
-
$753 SGD
HK$4,600 HKD
View
B
Retailer 3
-
$903 SGD
£556 GBP
View
B
Retailer 4
-
$1,067 SGD
€795 EUR
View
Retailer 5
-
$1,546 SGD
$1,209 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$1,613 SGD
$1,262 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$1,676 SGD
$1,311 USD
View
Price under review
Retailer 8
-
$1,786 SGD
$1,397 USD
View
Price under review
Retailer 9
-
$1,863 SGD
$1,457 USD
View
Price under review
Retailer 10
-
$2,005 SGD
£1,235 GBP
View
Price under review
Most Expensive
Torres Jewel Co
25704974 · Oct 4
$2,110 SGD
A$2,539 AUD
View
Price under review
10 more retailers have this diamond
Prices start from $678 SGDSave up to $390 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.

B+
0.51ct Emerald
$678 SGD