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Emerald|Natural|GIA

2.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • GIA 1543238446

Certificate GIA 1543238446

Diamond specifications and retailer prices

From £16,399 GBP
$21,838 USD
As of October 29, 2026
Save £4,323 GBP (21%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £20,722 GBP at 77 Diamonds · As of October 28, 2026
View at 77 Diamonds

About this 2.51ct natural emerald diamond

This 2.51ct natural emerald sits in the two to three 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 1543238446. Listed at 5 retailers as of October 28, 2026, with prices from £16,399 to £20,722, a £4,323 spread on the same certified stone. 77 Diamonds lists it at £20,722. 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

2.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle47.48°
Pavilion angle57.08°
OriginNatural
Grading LabGIA
CertificateGIA 1543238446
Dimensions8.93 × 6.47 × 4.44 mm
L/W Ratio1.38
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.93 mm6.47 mm2.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1543238446
Side View
Table 66.0%Crown 47.48°Girdle: MediumPavilion 57.08°Culet: NoneDepth 68.7%

Caratlytics Score

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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: £20,722 GBP|Low: £16,399 GBP|High: £29,583 GBP|Avg: £20,395 GBP
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£16,399 GBP
Retailer 4£17,642 GBP
Retailer 6£18,248 GBP
Retailer 2£19,143 GBP
Retailer 5£19,441 GBP
77 Diamonds£20,722 GBP
Retailer 7£20,893 GBP
Retailer 8£29,583 GBP

2 data points across 8 retailers

5 retailers£16,399 GBP to £20,722 GBP

A
Cheapest Retailer
-
£16,399 GBP
$21,838 USD
A
Retailer 2
-
£17,642 GBP
$23,494 USD
View
A
Retailer 3
-
£18,047 GBP
A$36,973 AUD
View
A
Retailer 4
-
£19,143 GBP
$25,493 USD
View
Most Expensive
B+
77 Diamonds
EMZUCHEPGHN · Oct 28
£20,722 GBP
View
4 more retailers have this diamond
Prices start from £16,399 GBPSave up to £4,323 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
2.51ct Emerald
£16,399 GBP