Heart|Natural|GIA

1.21ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6531598937

Certificate GIA 6531598937

Diamond specifications and retailer prices

From $2,706 USD
As of November 6, 2026
Save $774 USD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,480 USD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded D 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 6531598937. Listed at 10 retailers as of November 6, 2026, with prices from $2,706 to $3,480, a $774 spread on the same certified stone. Jared lists it at $3,480. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6531598937
Dimensions6.54 × 7.41 × 4.38 mm
L/W Ratio1.13
Top View
6.54 mm7.41 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531598937
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,480 USD|Low: $2,601 USD|High: $3,960 USD|Avg: $3,340 USD|-9.1%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$2,706 USD
Retailer 5$2,931 USD
Retailer 10$3,033 USD
Retailer 9$3,086 USD
Retailer 2$3,134 USD
Retailer 6$3,195 USD
Retailer 3$3,370 USD
Retailer 7$3,370 USD
Retailer 8$3,410 USD
Jared$3,480 USD

42 data points across 10 retailers

10 retailers$2,706 USD to $3,480 USD

A
Cheapest Retailer
-
$2,706 USD
Final sale: no returns
B+
Retailer 2
-
$2,931 USD
View
B+
Retailer 3
-
$3,033 USD
View
B+
Retailer 4
-
$3,086 USD
View
B+
Retailer 5
-
$3,134 USD
View
B+
Retailer 6
-
$3,195 USD
View
B+
Retailer 7
-
$3,370 USD
View
B+
Retailer 8
-
$3,370 USD
View
B+
Retailer 9
-
$3,410 USD
View
Most Expensive
B+
Jared
156794183 · Nov 6
$3,480 USD
View
9 more retailers have this diamond
Prices start from $2,706 USDSave up to $774 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
1.21ct Heart
$2,706 USD