Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1418156170

Certificate GIA 1418156170

Diamond specifications and retailer prices

From $2,896 USD
As of November 6, 2026
Save $5,705 USD (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,601 USD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural heart diamond

This 1.21ct 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 1418156170. Listed at 8 retailers as of November 6, 2026, with prices from $2,896 to $8,601, a $5,705 spread on the same certified stone. Yorxs lists it at $8,601. 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

1.21
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1418156170
Dimensions7.26 × 7.37 × 4.00 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.26 mm7.37 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1418156170
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.3%

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 6
Current: $4,603 USD|Low: $2,896 USD|High: $8,669 USD|Avg: $5,900 USD|-37.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 4$2,896 USD
Retailer 3$3,079 USD
Retailer 6$3,114 USD
Retailer 5$3,222 USD
Retailer 7$3,920 USD
Retailer 1$4,603 USD
Retailer 2$4,945 USD
Yorxs$8,601 USD

44 data points across 8 retailers

8 retailers$2,896 USD to $8,601 USD

B+
Cheapest Retailer
-
$2,896 USD
B+
Retailer 2
-
$3,079 USD
View
B+
Retailer 3
-
$3,114 USD
View
B+
Retailer 4
-
$3,222 USD
View
Final sale: no returns
B
Retailer 5
-
$3,920 USD
View
B
Retailer 6
-
$4,603 USD
View
B
Retailer 7
-
$4,945 USD
View
Most Expensive
B
Yorxs
217813255 · Nov 6
$8,601 USD
€8,191 EUR
View
7 more retailers have this diamond
Prices start from $2,896 USDSave up to $5,705 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+
1.21ct Heart
$2,896 USD