Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

ID • H/SI1 • GIA 2557428154

Certificate GIA 2557428154

Diamond specifications and retailer prices

From $557 CAD
$398 USD
As of October 29, 2026
Save $1,023 CAD (65%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,580 CAD at MOH London · As of October 26, 2026
View at MOH London

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557428154. Listed at 25 retailers as of October 26, 2026, with prices from $557 to $1,580, a $1,023 spread on the same certified stone. MOH London lists it at $1,580. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.3°
Pavilion angle56.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557428154
Dimensions5.83 × 3.73 × 2.47 mm
L/W Ratio1.56
Girdle conditionPolished
Top View
5.83 mm3.73 mm0.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557428154
Side View
Table 69.0%Crown 47.3°Girdle: MED-STKPavilion 56.2°Culet: NDepth 66.3%

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: Oct 29
Current: $1,580 CAD|Low: $557 CAD|High: $2,619 CAD|Avg: $893 CAD|-4.5%
MOH London
Retailer 2
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Retailer 24
October 30, 2026
Retailer 5$557 CAD
Retailer 16$558 CAD
Retailer 6$560 CAD
Retailer 3$603 CAD
Retailer 23$627 CAD
Retailer 21$649 CAD
Retailer 24$649 CAD
Retailer 22$703 CAD
Retailer 17$714 CAD
Retailer 14$750 CAD
Retailer 7$756 CAD
Retailer 8$756 CAD
Retailer 9$756 CAD
Retailer 11$784 CAD
Retailer 13$820 CAD
Retailer 18$831 CAD
Retailer 12$835 CAD
Retailer 20$837 CAD
Retailer 19$896 CAD
Retailer 10$994 CAD
Retailer 4$1,002 CAD
Retailer 15$1,052 CAD
MOH London$1,580 CAD
Retailer 2$2,553 CAD

21 data points across 24 retailers

25 retailers$557 CAD to $1,580 CAD

A
Cheapest Retailer
-
$557 CAD
$398 USD
Final sale: no returns
A
Retailer 2
-
$558 CAD
$399 USD
View
A
Retailer 3
-
$560 CAD
$400 USD
View
A
Retailer 4
-
$603 CAD
$431 USD
View
A
Retailer 5
-
$627 CAD
HK$3,500 HKD
View
A
Retailer 6
-
$649 CAD
$464 USD
View
A
Retailer 7
-
$649 CAD
$464 USD
View
A
Retailer 8
-
$703 CAD
$502 USD
View
B+
Retailer 9
-
$714 CAD
$510 USD
View
B+
Retailer 10
-
$750 CAD
$536 USD
View
B+
Retailer 11
-
$756 CAD
$540 USD
View
B+
Retailer 12
-
$756 CAD
$540 USD
View
B+
Retailer 13
-
$756 CAD
$540 USD
View
B+
Retailer 14
-
$784 CAD
$560 USD
View
B+
Retailer 15
-
$820 CAD
£461 GBP
View
B+
Retailer 16
-
$831 CAD
£467 GBP
View
B+
Retailer 17
-
$835 CAD
£470 GBP
View
B+
Retailer 18
-
$837 CAD
$598 USD
View
B+
Retailer 19
-
$896 CAD
$640 USD
View
B+
Retailer 20
-
$994 CAD
$710 USD
View
B+
Retailer 21
-
$1,002 CAD
€682 EUR
View
B
Retailer 22
-
$1,052 CAD
ZAR 12,148 ZAR
View
Retailer 23
-
$1,066 CAD
A$1,172 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
2072DB740 · Oct 26
$1,580 CAD
£889 GBP
View
23 more retailers have this diamond
Prices start from $557 CADSave up to $1,023 CAD

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
$557 CAD