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Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • GIA 1535564227

Certificate GIA 1535564227

Diamond specifications and retailer prices

From £321 GBP
$427 USD
As of October 28, 2026
Save £363 GBP (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £684 GBP at 77 Diamonds · As of October 29, 2026
View at 77 Diamonds

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 1535564227. Listed at 10 retailers as of October 28, 2026, with prices from £321 to £684, a £363 spread on the same certified stone. 77 Diamonds lists it at £684. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Pavilion angle51.5°
OriginNatural
Grading LabGIA
CertificateGIA 1535564227
Dimensions5.35 × 3.82 × 2.50 mm
L/W Ratio1.40
Girdle conditionPolished
Top View
5.35 mm3.82 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1535564227
Side View
Table 64.0%CrownGirdle: STK-THKPavilion 51.5°Culet: NoneDepth 65.4%

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 28
Current: £684 GBP|Low: £292 GBP|High: £688 GBP|Avg: £512 GBP|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3£321 GBP
Retailer 6£436 GBP
Retailer 4£473 GBP
Retailer 5£557 GBP
Retailer 2£620 GBP
77 Diamonds£684 GBP

36 data points across 6 retailers

10 retailers£321 GBP to £684 GBP

A
Cheapest Retailer
-
£321 GBP
$427 USD
Final sale: no returns
A
Retailer 2
-
£380 GBP
$505 USD
View
A
Retailer 3
-
£436 GBP
$579 USD
View
B+
Retailer 4
-
£473 GBP
$629 USD
View
B+
Retailer 5
-
£534 GBP
$710 USD
View
B+
Retailer 6
-
£534 GBP
$710 USD
View
B+
Retailer 7
-
£551 GBP
$733 USD
View
B+
Retailer 8
-
£557 GBP
$740 USD
View
B
Retailer 9
-
£620 GBP
€785 EUR
View
Most Expensive
B+
77 Diamonds
EMMBFJJWJAJ6 · Oct 29
£684 GBP
View
9 more retailers have this diamond
Prices start from £321 GBPSave up to £363 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
£321 GBP