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Heart|Natural|GIA

1.22ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 1545621979

Certificate GIA 1545621979

Diamond specifications and retailer prices

From $2,648 SGD
As of November 6, 2026
Save $4,433 SGD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,081 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.22ct natural heart diamond

This 1.22ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545621979. Listed at 16 retailers as of November 5, 2026, with prices from $2,648 to $7,081, a $4,433 spread on the same certified stone. NZ Jewellers lists it at $7,081. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.22
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545621979
Dimensions7.34 × 6.64 × 4.27 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.34 mm6.64 mm1.22 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545621979
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 58.2%

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 6
Current: $7,081 SGD|Low: $2,639 SGD|High: $7,081 SGD|Avg: $3,933 SGD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$2,648 SGD
Retailer 8$3,068 SGD
Retailer 10$3,068 SGD
Retailer 12$3,131 SGD
Retailer 9$3,210 SGD
Retailer 2$3,285 SGD
Retailer 3$3,345 SGD
Retailer 11$3,540 SGD
Retailer 6$4,133 SGD
Retailer 5$4,205 SGD
Retailer 7$5,917 SGD
NZ Jewellers$7,081 SGD

45 data points across 12 retailers

16 retailers$2,648 SGD to $7,081 SGD

B+
Cheapest Retailer
-
$2,648 SGD
B+
Retailer 2
-
$3,068 SGD
View
Retailer 3
-
$3,068 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$3,131 SGD
View
B
Retailer 5
-
$3,210 SGD
View
B
Retailer 6
-
$3,217 SGD
View
B+
Retailer 7
-
$3,285 SGD
View
B+
Retailer 8
-
$3,345 SGD
View
B
Retailer 9
-
$3,524 SGD
View
B
Retailer 10
-
$3,524 SGD
View
B
Retailer 11
-
$3,540 SGD
View
B
Retailer 12
-
$3,640 SGD
View
B
Retailer 13
-
$4,133 SGD
View
B
Retailer 14
-
$4,205 SGD
View
B
Retailer 15
-
$5,917 SGD
View
Most Expensive
B
NZ Jewellers
c66c0cd1-bcba-4da9-9247-578968bc5951 · Nov 5
$7,081 SGD
$5,525 USD
View
15 more retailers have this diamond
Prices start from $2,648 SGDSave up to $4,433 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+
1.22ct Heart
$2,648 SGD