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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5426090686

Certificate GIA 5426090686

Diamond specifications and retailer prices

From $2,633 USD
As of October 31, 2026
Save $3,343 USD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,976 USD at NZ Jewellers · As of October 30, 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 H 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 5426090686. Listed at 25 retailers as of October 30, 2026, with prices from $2,633 to $5,976, a $3,343 spread on the same certified stone. NZ Jewellers lists it at $5,976. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426090686
Dimensions6.59 × 7.07 × 4.31 mm
L/W Ratio1.07
Top View
6.59 mm7.07 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5426090686
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.9%

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: Oct 31
Current: $3,585 USD|Low: $2,677 USD|High: $5,805 USD|Avg: $3,491 USD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$2,677 USD
Retailer 9$2,725 USD
Retailer 7$2,783 USD
Retailer 8$2,919 USD
Retailer 11$3,108 USD
Retailer 10$3,227 USD
Retailer 2$3,346 USD
Retailer 4$3,392 USD
Retailer 1$3,585 USD
Retailer 6$4,016 USD
Retailer 5$5,737 USD

41 data points across 11 retailers

25 retailers$2,633 USD to $5,976 USD

B+
Cheapest Retailer
-
$2,633 USD
B+
Retailer 2
-
$2,677 USD
View
B+
Retailer 3
-
$2,725 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,748 USD
View
B+
Retailer 5
-
$2,783 USD
View
B+
Retailer 6
-
$2,919 USD
View
B
Retailer 7
-
$3,108 USD
View
B
Retailer 8
-
$3,108 USD
View
B
Retailer 9
-
$3,129 USD
View
B
Retailer 10
-
$3,176 USD
CA$4,411 CAD
View
B
Retailer 11
-
$3,227 USD
View
B
Retailer 12
-
$3,346 USD
View
B
Retailer 13
-
$3,376 USD
View
B
Retailer 14
-
$3,392 USD
£2,671 GBP
View
B
Retailer 15
-
$3,530 USD
View
B
Retailer 16
-
$3,530 USD
View
B
Retailer 17
-
$3,585 USD
£2,823 GBP
View
B
Retailer 18
-
$3,586 USD
View
B
Retailer 19
-
$3,650 USD
View
Retailer 20
-
$3,887 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$4,016 USD
€3,825 EUR
View
B
Retailer 22
-
$4,029 USD
View
B
Retailer 23
-
$4,951 USD
View
B
Retailer 24
-
$5,737 USD
£4,517 GBP
View
Most Expensive
B
NZ Jewellers
b2c6f282-9c68-4ba7-94d9-d58a71100785 · Oct 30
$5,976 USD
View
24 more retailers have this diamond
Prices start from $2,633 USDSave up to $3,343 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
$2,633 USD