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Heart|Natural|GIA

1.21ct J VS1 Heart Natural Diamond

EX • J/VS1 • GIA 1455555188

Certificate GIA 1455555188

Diamond specifications and retailer prices

From €2,158 EUR
$2,420 USD
As of November 1, 2026
Save €2,064 EUR (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,221 EUR at MOH London · As of November 1, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1455555188. Listed at 11 retailers as of November 1, 2026, with prices from €2,158 to €4,221, a €2,064 spread on the same certified stone. MOH London lists it at €4,221. 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
Color
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1455555188
Dimensions6.23 × 5.90 × 4.05 mm
L/W Ratio1.06
Top View
6.23 mm5.90 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1455555188
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.7%

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 1
Current: €4,221 EUR|Low: €1,817 EUR|High: €4,272 EUR|Avg: €2,705 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5€2,158 EUR
Retailer 6€2,224 EUR
Retailer 8€2,299 EUR
Retailer 9€2,372 EUR
Retailer 3€2,392 EUR
Retailer 7€2,700 EUR
Retailer 4€2,962 EUR
Retailer 2€3,008 EUR
MOH London€4,221 EUR

45 data points across 9 retailers

11 retailers€2,158 EUR to €4,221 EUR

B+
Cheapest Retailer
-
€2,158 EUR
$2,420 USD
B+
Retailer 2
-
€2,224 EUR
$2,494 USD
View
Final sale: no returns
B+
Retailer 3
-
€2,299 EUR
$2,579 USD
View
B+
Retailer 4
-
€2,372 EUR
$2,660 USD
View
B+
Retailer 5
-
€2,392 EUR
£2,112 GBP
View
B+
Retailer 6
-
€2,412 EUR
$2,705 USD
View
B
Retailer 7
-
€2,607 EUR
A$4,498 AUD
View
Retailer 8
-
€2,700 EUR
A$4,658 AUD
View
Price last confirmed 25 days ago
B
Retailer 9
-
€2,962 EUR
ZAR 53,664 ZAR
View
B
Retailer 10
-
€3,008 EUR
View
Most Expensive
B
MOH London
99BD1E4B4 · Nov 1
€4,221 EUR
£3,728 GBP
View
10 more retailers have this diamond
Prices start from €2,158 EURSave up to €2,064 EUR

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
€2,158 EUR