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Emerald|Natural|GIA

1.21ct F SI1 Emerald Natural Diamond

EX • F/SI1 • GIA 6561006428

Certificate GIA 6561006428

Diamond specifications and retailer prices

From £2,449 GBP
As of November 5, 2026
Save £638 GBP (21%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,087 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.21ct natural emerald diamond

This 1.21ct natural emerald sits in the classic one-carat band, graded F 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 6561006428. Listed at 4 retailers as of November 5, 2026, with prices from £2,449 to £3,087, a £638 spread on the same certified stone. 77 Diamonds lists it at £3,087. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561006428
Dimensions7.14 × 5.07 × 3.37 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.14 mm5.07 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561006428
Side View
Table 65.0%Crown 46.2°Girdle: Slightly ThickPavilionCulet: NoneDepth 66.6%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £3,087 GBP|Low: £2,371 GBP|High: £4,132 GBP|Avg: £2,815 GBP|-0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£2,371 GBP
Retailer 7£2,371 GBP
Retailer 3£2,449 GBP
Retailer 5£2,588 GBP
Retailer 4£2,604 GBP
Retailer 2£2,899 GBP
77 Diamonds£3,087 GBP
Retailer 8£4,132 GBP

26 data points across 8 retailers

4 retailers£2,449 GBP to £3,087 GBP

B+
Cheapest Retailer
-
£2,449 GBP
B+
Retailer 2
-
£2,604 GBP
View
B+
Retailer 3
-
£2,899 GBP
View
Most Expensive
B
77 Diamonds
EMMBUGXMZJRX · Nov 5
£3,087 GBP
View
3 more retailers have this diamond
Prices start from £2,449 GBPSave up to £638 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
£2,449 GBP