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Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

ID • E/SI1 • GIA 1242005773

Certificate GIA 1242005773

Diamond specifications and retailer prices

From £388 GBP
$516 USD
As of October 29, 2026
Save £869 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,257 GBP 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 £388 to £1,257, a £869 spread on the same certified stone. Diamond Exchange Canada lists it at £1,257. 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
Colour
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: £1,257 GBP|Low: £259 GBP|High: £1,257 GBP|Avg: £505 GBP
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£318 GBP
Retailer 17£333 GBP
Retailer 10£361 GBP
Retailer 13£388 GBP
Retailer 9£394 GBP
Retailer 3£398 GBP
Retailer 8£409 GBP
Retailer 20£411 GBP
Retailer 15£417 GBP
Retailer 12£456 GBP
Retailer 14£485 GBP
Retailer 7£518 GBP
Retailer 19£546 GBP
Retailer 4£558 GBP
Retailer 16£570 GBP
Retailer 2£593 GBP
Retailer 5£594 GBP
Retailer 6£621 GBP
Retailer 11£935 GBP
Diamond Exchange Canada£1,257 GBP

27 data points across 20 retailers

14 retailers£388 GBP to £1,257 GBP

A
Retailer 1
-
£318 GBP
HK$3,300 HKD
Price last confirmed 24 days ago
A
Retailer 2
-
£361 GBP
$480 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
£388 GBP
$516 USD
View
A
Retailer 4
-
£394 GBP
$524 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£398 GBP
SGD 715 SGD
View
Price last confirmed 23 days ago
A
Retailer 6
-
£409 GBP
€518 EUR
View
Price last confirmed 26 days ago
A
Retailer 7
-
£485 GBP
$644 USD
View
B+
Retailer 8
-
£518 GBP
View
Price last confirmed 24 days ago
B+
Retailer 9
-
£570 GBP
$757 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
£593 GBP
€750 EUR
View
B+
Retailer 11
-
£594 GBP
A$1,214 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
£621 GBP
ZAR 13,339 ZAR
View
Price last confirmed 25 days ago
B
Retailer 13
-
£1,256 GBP
$1,669 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Diamond Exchange Canada
1993084824 · Oct 27
£1,257 GBP
CA$2,320 CAD
View
13 more retailers have this diamond
Prices start from £388 GBPSave up to £869 GBP

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
£388 GBP