CaratHunter
Plans
Heart|Natural|GIA

1.21ct J VS1 Heart Natural Diamond

EX • J/VS1 • GIA 1455555188

Certificate GIA 1455555188

Diamond specifications and retailer prices

From €2,148 EUR
As of November 4, 2026
Save €2,043 EUR (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,191 EUR at MOH London · As of November 4, 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 4, 2026, with prices from €2,148 to €4,191, a €2,043 spread on the same certified stone. MOH London lists it at €4,191. 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
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 4
Current: €4,191 EUR|Low: €1,809 EUR|High: €4,253 EUR|Avg: €2,743 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5€2,148 EUR
Retailer 6€2,214 EUR
Retailer 8€2,289 EUR
Retailer 2€2,357 EUR
Retailer 7€2,687 EUR
Retailer 4€2,948 EUR
Retailer 3€2,983 EUR
MOH London€4,191 EUR

45 data points across 8 retailers

11 retailers€2,148 EUR to €4,191 EUR

B+
Cheapest Retailer
-
€2,148 EUR
B+
Retailer 2
-
€2,214 EUR
View
Final sale: no returns
B+
Retailer 3
-
€2,289 EUR
View
B+
Retailer 4
-
€2,357 EUR
View
B+
Retailer 5
-
€2,361 EUR
View
B+
Retailer 6
-
€2,401 EUR
View
B
Retailer 7
-
€2,594 EUR
View
Retailer 8
-
€2,687 EUR
View
Price last confirmed 29 days ago
B+
Retailer 9
-
€2,948 EUR
View
B
Retailer 10
-
€2,983 EUR
View
Most Expensive
B
MOH London
99BD1E4B4 · Nov 4
€4,191 EUR
£3,718 GBP
View
10 more retailers have this diamond
Prices start from €2,148 EURSave up to €2,043 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
€2,148 EUR