Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

ID • E/SI1 • GIA 1242005773

Certificate GIA 1242005773

Diamond specifications and retailer prices

From $516 USD
As of October 29, 2026
Save $1,154 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,670 USD at Diamond Exchange Canada · As of October 27, 2026
View at Diamond Exchange Canada

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded E 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 1242005773. Listed at 14 retailers as of October 27, 2026, with prices from $516 to $1,670, a $1,154 spread on the same certified stone. Diamond Exchange Canada lists it at $1,670. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242005773
Dimensions5.33 × 3.80 × 2.54 mm
L/W Ratio1.40
Girdle conditionPolished
Top View
5.33 mm3.80 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242005773
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.6%

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: Oct 29
Current: $1,670 USD|Low: $344 USD|High: $1,670 USD|Avg: $671 USD
Diamond Exchange Canada
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
October 28, 2026
Retailer 18$422 USD
Retailer 17$443 USD
Retailer 10$480 USD
Retailer 13$516 USD
Retailer 9$524 USD
Retailer 3$529 USD
Retailer 8$544 USD
Retailer 20$546 USD
Retailer 15$555 USD
Retailer 12$606 USD
Retailer 14$644 USD
Retailer 7$688 USD
Retailer 19$725 USD
Retailer 4$742 USD
Retailer 16$757 USD
Retailer 2$788 USD
Retailer 5$789 USD
Retailer 6$826 USD
Retailer 11$1,242 USD
Diamond Exchange Canada$1,670 USD

27 data points across 20 retailers

14 retailers$516 USD to $1,670 USD

A
Retailer 1
-
$422 USD
HK$3,300 HKD
Price last confirmed 24 days ago
A
Retailer 2
-
$480 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$516 USD
View
A
Retailer 4
-
$524 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$529 USD
SGD 715 SGD
View
Price last confirmed 23 days ago
A
Retailer 6
-
$544 USD
€518 EUR
View
Price last confirmed 26 days ago
A
Retailer 7
-
$644 USD
View
B+
Retailer 8
-
$688 USD
£542 GBP
View
Price last confirmed 24 days ago
B+
Retailer 9
-
$757 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
$788 USD
€750 EUR
View
B+
Retailer 11
-
$789 USD
A$1,214 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$826 USD
ZAR 13,339 ZAR
View
Price last confirmed 25 days ago
B
Retailer 13
-
$1,669 USD
View
Price last confirmed 29 days ago
Most Expensive
B
Diamond Exchange Canada
1993084824 · Oct 27
$1,670 USD
CA$2,320 CAD
View
13 more retailers have this diamond
Prices start from $516 USDSave up to $1,154 USD

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
$516 USD