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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 7531927035

Certificate GIA 7531927035

Diamond specifications and retailer prices

From $1,753 USD
As of November 4, 2026
Save $2,939 USD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,692 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7531927035. Listed at 14 retailers as of November 4, 2026, with prices from $1,753 to $4,692, a $2,939 spread on the same certified stone. NZ Jewellers lists it at $4,692. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.39°
OriginNatural
Grading LabGIA
CertificateGIA 7531927035
Dimensions6.67 × 7.46 × 4.13 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.67 mm7.46 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531927035
Side View
Table 56.0%Crown 35.39°Girdle: STK-VTKPavilionCulet: NoneDepth 55.3%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $4,692 USD|Low: $1,753 USD|High: $4,692 USD|Avg: $2,399 USD|+5.4%
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
November 6, 2026
Retailer 14$1,753 USD
Retailer 4$1,775 USD
Retailer 11$1,877 USD
Retailer 2$1,891 USD
Retailer 6$1,924 USD
Retailer 12$1,924 USD
Retailer 3$2,010 USD
Retailer 5$2,012 USD
Retailer 13$2,061 USD
Retailer 7$2,089 USD
Retailer 10$2,107 USD
Retailer 9$2,219 USD
Retailer 8$3,361 USD
NZ Jewellers$4,692 USD

33 data points across 14 retailers

14 retailers$1,753 USD to $4,692 USD

A
Cheapest Retailer
-
$1,753 USD
A
Retailer 2
-
$1,775 USD
View
Final sale: no returns
A
Retailer 3
-
$1,877 USD
View
A
Retailer 4
-
$1,891 USD
View
Retailer 5
-
$1,924 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,924 USD
View
A
Retailer 7
-
$2,010 USD
View
A
Retailer 8
-
$2,012 USD
View
A
Retailer 9
-
$2,061 USD
View
A
Retailer 10
-
$2,089 USD
View
A
Retailer 11
-
$2,107 USD
View
B+
Retailer 12
-
$2,219 USD
View
B
Retailer 13
-
$3,361 USD
View
Most Expensive
B
NZ Jewellers
27a37495-7bb8-4783-99b6-022636c6302d · Nov 5
$4,692 USD
View
13 more retailers have this diamond
Prices start from $1,753 USDSave up to $2,939 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
$1,753 USD