Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6552087009

Certificate GIA 6552087009

Diamond specifications and retailer prices

From $1,822 USD
As of November 4, 2026
Save $2,993 USD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,815 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H 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 6552087009. Listed at 5 retailers as of November 4, 2026, with prices from $1,822 to $4,815, a $2,993 spread on the same certified stone. NZ Jewellers lists it at $4,815. 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

1.20
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552087009
Dimensions6.42 × 7.58 × 4.09 mm
L/W Ratio1.18
Top View
6.42 mm7.58 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552087009
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 53.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $4,815 USD|Low: $1,617 USD|High: $4,815 USD|Avg: $2,896 USD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$1,822 USD
Retailer 2$1,915 USD
Retailer 4$2,020 USD
Retailer 6$3,136 USD
Retailer 3$3,449 USD
NZ Jewellers$4,815 USD

43 data points across 6 retailers

5 retailers$1,822 USD to $4,815 USD

A
Cheapest Retailer
-
$1,822 USD
Final sale: no returns
A
Retailer 2
-
$1,915 USD
View
A
Retailer 3
-
$2,020 USD
View
B
Retailer 4
-
$3,449 USD
View
Most Expensive
B
NZ Jewellers
19059b44-8795-4d0d-99eb-d80d777cc9b3 · Nov 5
$4,815 USD
View
4 more retailers have this diamond
Prices start from $1,822 USDSave up to $2,993 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.

A
1.20ct Heart
$1,822 USD