Emerald|Natural|GIA

1.21ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 6515982503

Certificate GIA 6515982503

Diamond specifications and retailer prices

From £2,407 GBP
$3,225 USD
As of October 28, 2026
Save £2,724 GBP (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,131 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural emerald diamond

This 1.21ct natural emerald sits in the classic one-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 6515982503. Listed at 14 retailers as of October 28, 2026, with prices from £2,407 to £5,131, a £2,724 spread on the same certified stone. MOH London lists it at £5,131. 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

1.21
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.66°
Pavilion angle40.79°
OriginNatural
Grading LabGIA
CertificateGIA 6515982503
Dimensions8.17 × 6.00 × 3.85 mm
L/W Ratio1.36
Top View
8.17 mm6.00 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6515982503
Side View
Table 60.0%Crown 39.66°Girdle: STK-THKPavilion 40.79°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £5,131 GBP|Low: £2,218 GBP|High: £5,192 GBP|Avg: £3,250 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£2,407 GBP
Retailer 7£2,467 GBP
Retailer 8£2,565 GBP
Retailer 6£2,634 GBP
Retailer 2£3,138 GBP
Retailer 9£3,289 GBP
Retailer 4£3,473 GBP
Retailer 3£3,771 GBP
MOH London£5,131 GBP

45 data points across 9 retailers

14 retailers£2,407 GBP to £5,131 GBP

B+
Cheapest Retailer
-
£2,407 GBP
$3,225 USD
B+
Retailer 2
-
£2,417 GBP
$3,239 USD
View
B+
Retailer 3
-
£2,467 GBP
$3,306 USD
View
B
Retailer 4
-
£2,565 GBP
$3,437 USD
View
Final sale: no returns
B
Retailer 5
-
£2,634 GBP
$3,529 USD
View
B
Retailer 6
-
£2,664 GBP
$3,570 USD
View
B
Retailer 7
-
£3,090 GBP
$4,140 USD
View
B
Retailer 8
-
£3,090 GBP
$4,140 USD
View
B
Retailer 9
-
£3,138 GBP
View
B
Retailer 10
-
£3,194 GBP
$4,280 USD
View
Retailer 11
-
£3,289 GBP
A$6,780 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
£3,473 GBP
€4,432 EUR
View
B
Retailer 13
-
£3,771 GBP
ZAR 81,625 ZAR
View
Most Expensive
B
MOH London
CA0C97494 · Nov 1
£5,131 GBP
View
13 more retailers have this diamond
Prices start from £2,407 GBPSave up to £2,724 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.

B+
1.21ct Emerald
£2,407 GBP