Heart|Natural|GIA

1.21ct J VS1 Heart Natural Diamond

EX • J/VS1 • GIA 1455555188

Certificate GIA 1455555188

Diamond specifications and retailer prices

From $2,420 USD
As of November 4, 2026
Save $2,302 USD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,722 USD 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 $2,420 to $4,722, a $2,302 spread on the same certified stone. MOH London lists it at $4,722. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,722 USD|Low: $2,038 USD|High: $4,792 USD|Avg: $3,090 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$2,420 USD
Retailer 6$2,494 USD
Retailer 8$2,579 USD
Retailer 2$2,656 USD
Retailer 7$3,027 USD
Retailer 4$3,321 USD
Retailer 3$3,361 USD
MOH London$4,722 USD

45 data points across 8 retailers

11 retailers$2,420 USD to $4,722 USD

B+
Cheapest Retailer
-
$2,420 USD
B+
Retailer 2
-
$2,494 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,579 USD
View
B+
Retailer 4
-
$2,656 USD
View
B+
Retailer 5
-
$2,660 USD
View
B+
Retailer 6
-
$2,705 USD
View
B
Retailer 7
-
$2,923 USD
View
Retailer 8
-
$3,027 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$3,321 USD
View
B
Retailer 10
-
$3,361 USD
View
Most Expensive
B
MOH London
99BD1E4B4 · Nov 4
$4,722 USD
£3,718 GBP
View
10 more retailers have this diamond
Prices start from $2,420 USDSave up to $2,302 USD

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
$2,420 USD