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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 1533868510

Certificate GIA 1533868510

Diamond specifications and retailer prices

From $2,830 USD
As of November 5, 2026
Save $2,676 USD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,506 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533868510. Listed at 19 retailers as of November 5, 2026, with prices from $2,830 to $5,506, a $2,676 spread on the same certified stone. NZ Jewellers lists it at $5,506. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.42°
Pavilion angle43.11°
OriginNatural
Grading LabGIA
CertificateGIA 1533868510
Dimensions7.31 × 6.60 × 4.33 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.31 mm6.60 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1533868510
Side View
Table 58.0%Crown 36.42°Girdle: Slightly ThickPavilion 43.11°Culet: NoneDepth 59.3%

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 5
Current: $5,506 USD|Low: $2,830 USD|High: $5,676 USD|Avg: $3,644 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6$2,830 USD
Retailer 16$2,830 USD
Retailer 9$2,917 USD
Retailer 5$3,008 USD
Retailer 11$3,066 USD
Retailer 17$3,161 USD
Retailer 10$3,258 USD
Retailer 13$3,270 USD
Retailer 3$3,282 USD
Retailer 4$3,303 USD
Retailer 2$3,329 USD
Retailer 15$3,353 USD
Retailer 7$3,533 USD
Retailer 8$3,647 USD
Retailer 12$3,680 USD
Retailer 14$3,857 USD
Retailer 18$5,285 USD
NZ Jewellers$5,506 USD

28 data points across 18 retailers

19 retailers$2,830 USD to $5,506 USD

B+
Cheapest Retailer
-
$2,830 USD
B+
Retailer 2
-
$2,830 USD
View
B+
Retailer 3
-
$2,917 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,008 USD
View
B+
Retailer 5
-
$3,066 USD
View
B+
Retailer 6
-
$3,161 USD
View
Retailer 7
-
$3,258 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,270 USD
View
B+
Retailer 9
-
$3,282 USD
View
B+
Retailer 10
-
$3,303 USD
View
B+
Retailer 11
-
$3,329 USD
View
B+
Retailer 12
-
$3,353 USD
View
Retailer 13
-
$3,480 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,533 USD
View
B+
Retailer 15
-
$3,647 USD
View
B+
Retailer 16
-
$3,680 USD
View
B
Retailer 17
-
$3,857 USD
View
B
Retailer 18
-
$5,285 USD
View
Most Expensive
B
NZ Jewellers
4e7c2b87-0a6b-470c-b50c-3fab8bf0dc01 · Nov 5
$5,506 USD
View
18 more retailers have this diamond
Prices start from $2,830 USDSave up to $2,676 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.

B+
1.20ct Heart
$2,830 USD