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Heart|Natural|GIA

1.21ct J IF Heart Natural Diamond

EX • J/IF • GIA 6555116906

Certificate GIA 6555116906

Diamond specifications and retailer prices

From £1,884 GBP
As of November 6, 2026
Save £446 GBP (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,330 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555116906. Listed at 7 retailers as of November 6, 2026, with prices from £1,884 to £2,330, a £446 spread on the same certified stone. GemTrove lists it at £2,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555116906
Dimensions6.65 × 7.29 × 4.32 mm
L/W Ratio1.10
Top View
6.65 mm7.29 mm1.21 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555116906
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

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 6
Current: £2,330 GBP|Low: £1,712 GBP|High: £2,515 GBP|Avg: £2,140 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£1,884 GBP
Retailer 3£1,906 GBP
Retailer 7£1,932 GBP
Retailer 2£2,022 GBP
Retailer 6£2,173 GBP
Retailer 5£2,248 GBP
GemTrove£2,330 GBP

41 data points across 7 retailers

7 retailers£1,884 GBP to £2,330 GBP

B+
Cheapest Retailer
-
£1,884 GBP
B+
Retailer 2
-
£1,906 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,932 GBP
View
B+
Retailer 4
-
£2,022 GBP
View
B+
Retailer 5
-
£2,173 GBP
View
B+
Retailer 6
-
£2,248 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269241-98 · Nov 6
£2,330 GBP
A$4,798 AUD
View
6 more retailers have this diamond
Prices start from £1,884 GBPSave up to £446 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 Heart
£1,884 GBP