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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 $3,101 SGD
As of November 6, 2026
Save $2,950 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,052 SGD 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 $3,101 to $6,052, a $2,950 spread on the same certified stone. MOH London lists it at $6,052. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,052 SGD|Low: $2,612 SGD|High: $6,141 SGD|Avg: $3,958 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$3,101 SGD
Retailer 2$3,166 SGD
Retailer 8$3,305 SGD
Retailer 5$3,404 SGD
Retailer 7$3,879 SGD
Retailer 4$4,227 SGD
Retailer 3$4,261 SGD
MOH London$6,052 SGD

45 data points across 8 retailers

11 retailers$3,101 SGD to $6,052 SGD

B+
Cheapest Retailer
-
$3,101 SGD
B+
Retailer 2
-
$3,166 SGD
View
Final sale: no returns
B+
Retailer 3
-
$3,305 SGD
View
B+
Retailer 4
-
$3,404 SGD
View
B+
Retailer 5
-
$3,409 SGD
View
B+
Retailer 6
-
$3,467 SGD
View
B
Retailer 7
-
$3,746 SGD
View
Retailer 8
-
$3,879 SGD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$4,227 SGD
View
B+
Retailer 10
-
$4,261 SGD
View
Most Expensive
B
MOH London
99BD1E4B4 · Nov 4
$6,052 SGD
£3,718 GBP
View
10 more retailers have this diamond
Prices start from $3,101 SGDSave up to $2,950 SGD

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
$3,101 SGD