Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5553470793

Certificate GIA 5553470793

Diamond specifications and retailer prices

From $2,389 USD
Save $3,376 USD (59%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,765 USD at NZ Jewellers
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 5553470793. Listed at 19 retailers, with prices from $2,389 to $5,765 at NZ Jewellers, a $3,376 spread on the same certified stone. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.48°
Pavilion angle43.49°
OriginNatural
Grading LabGIA
CertificateGIA 5553470793
Dimensions7.24 × 6.27 × 4.52 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.24 mm6.27 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553470793
Side View
Table 59.0%Crown 37.48°Girdle: Slightly ThickPavilion 43.49°Culet: NoneDepth 62.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $5,765 USD|Low: $2,389 USD|High: $5,765 USD|Avg: $3,493 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 16$2,389 USD
Retailer 9$2,825 USD
Retailer 6$2,938 USD
Retailer 3$3,137 USD
Retailer 8$3,200 USD
Retailer 12$3,258 USD
Retailer 4$3,309 USD
Retailer 19$3,309 USD
Retailer 17$3,419 USD
Retailer 14$3,436 USD
Retailer 10$3,453 USD
Retailer 7$3,508 USD
Retailer 13$3,533 USD
Retailer 11$3,665 USD
Retailer 5$3,818 USD
Retailer 2$3,822 USD
Retailer 15$3,990 USD
Retailer 18$5,601 USD
NZ Jewellers$5,765 USD

41 data points across 19 retailers

19 retailers$2,389 USD to $5,765 USD

B+
Cheapest Retailer
-
$2,389 USD
B+
Retailer 2
-
$2,825 USD
View
B
Retailer 3
-
$2,938 USD
View
B+
Retailer 4
-
$3,137 USD
View
B+
Retailer 5
-
$3,200 USD
View
B+
Retailer 6
-
$3,258 USD
£2,565 GBP
View
B
Retailer 7
-
$3,309 USD
View
B
Retailer 8
-
$3,309 USD
View
B
Retailer 9
-
$3,426 USD
£2,698 GBP
View
B
Retailer 10
-
$3,436 USD
View
B
Retailer 11
-
$3,453 USD
View
B
Retailer 12
-
$3,508 USD
View
B
Retailer 13
-
$3,533 USD
A$5,436 AUD
View
B
Retailer 14
-
$3,665 USD
View
B
Retailer 15
-
$3,818 USD
View
B
Retailer 16
-
$3,822 USD
€3,640 EUR
View
B
Retailer 17
-
$3,990 USD
ZAR 64,458 ZAR
View
B
Retailer 18
-
$5,601 USD
£4,410 GBP
View
Most Expensive
B
NZ Jewellers
9729abd7-ad0e-4ebc-8579-bf385c4e84b9 · Sep 30
$5,765 USD
View
18 more retailers have this diamond
Prices start from $2,389 USDSave up to $3,376 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.

B+
1.20ct Heart
$2,389 USD