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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 $4,301 NZD
$2,420 USD
As of November 1, 2026
Save $4,114 NZD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,415 NZD at MOH London · As of November 2, 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 $4,301 to $8,415, a $4,114 spread on the same certified stone. MOH London lists it at $8,415. 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 1
Current: $8,415 NZD|Low: $3,622 NZD|High: $8,516 NZD|Avg: $5,402 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 5$4,301 NZD
Retailer 6$4,433 NZD
Retailer 8$4,584 NZD
Retailer 9$4,728 NZD
Retailer 2$4,768 NZD
Retailer 7$5,382 NZD
Retailer 4$5,904 NZD
Retailer 3$5,996 NZD
MOH London$8,415 NZD

45 data points across 9 retailers

11 retailers$4,301 NZD to $8,415 NZD

B+
Cheapest Retailer
-
$4,301 NZD
$2,420 USD
B+
Retailer 2
-
$4,433 NZD
$2,494 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,584 NZD
$2,579 USD
View
B+
Retailer 4
-
$4,728 NZD
$2,660 USD
View
B+
Retailer 5
-
$4,768 NZD
£2,112 GBP
View
B+
Retailer 6
-
$4,808 NZD
$2,705 USD
View
B
Retailer 7
-
$5,196 NZD
A$4,498 AUD
View
Retailer 8
-
$5,382 NZD
A$4,658 AUD
View
Price last confirmed 26 days ago
B
Retailer 9
-
$5,904 NZD
ZAR 53,664 ZAR
View
B
Retailer 10
-
$5,996 NZD
€3,213 EUR
View
Most Expensive
B
MOH London
99BD1E4B4 · Nov 2
$8,415 NZD
£3,728 GBP
View
10 more retailers have this diamond
Prices start from $4,301 NZDSave up to $4,114 NZD

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
$4,301 NZD