CaratHunter
Plans
Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6561094441

Certificate GIA 6561094441

Diamond specifications and retailer prices

From $4,838 NZD
As of November 6, 2026
Save $4,715 NZD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,553 NZD 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 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 6561094441. Listed at 19 retailers as of November 5, 2026, with prices from $4,838 to $9,553, a $4,715 spread on the same certified stone. NZ Jewellers lists it at $9,553. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36.11°
Pavilion angle42.09°
OriginNatural
Grading LabGIA
CertificateGIA 6561094441
Dimensions7.39 × 6.36 × 4.39 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.39 mm6.36 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561094441
Side View
Table 58.0%Crown 36.11°Girdle: MED-THKPavilion 42.09°Culet: NoneDepth 59.4%

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: $9,553 NZD|Low: $4,838 NZD|High: $9,746 NZD|Avg: $6,341 NZD|-2.0%
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
November 7, 2026
Retailer 12$4,838 NZD
Retailer 6$4,916 NZD
Retailer 11$4,986 NZD
Retailer 8$5,233 NZD
Retailer 14$5,240 NZD
Retailer 7$5,484 NZD
Retailer 9$5,594 NZD
Retailer 2$5,608 NZD
Retailer 16$5,657 NZD
Retailer 10$5,718 NZD
Retailer 13$5,781 NZD
Retailer 4$5,823 NZD
Retailer 17$6,232 NZD
Retailer 15$6,288 NZD
Retailer 3$6,692 NZD
Retailer 5$9,144 NZD
NZ Jewellers$9,553 NZD

27 data points across 17 retailers

19 retailers$4,838 NZD to $9,553 NZD

B+
Cheapest Retailer
-
$4,838 NZD
B+
Retailer 2
-
$4,916 NZD
View
B+
Retailer 3
-
$4,986 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,233 NZD
View
B+
Retailer 5
-
$5,240 NZD
View
B+
Retailer 6
-
$5,367 NZD
View
B+
Retailer 7
-
$5,484 NZD
View
Retailer 8
-
$5,594 NZD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$5,608 NZD
View
B+
Retailer 10
-
$5,657 NZD
View
B+
Retailer 11
-
$5,718 NZD
View
B+
Retailer 12
-
$5,781 NZD
View
B+
Retailer 13
-
$5,823 NZD
View
Retailer 14
-
$5,975 NZD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
$6,232 NZD
View
B+
Retailer 16
-
$6,288 NZD
View
B+
Retailer 17
-
$6,692 NZD
View
B
Retailer 18
-
$9,144 NZD
View
Most Expensive
B
NZ Jewellers
19966b7c-bd40-4d15-8f37-543c98a56741 · Nov 5
$9,553 NZD
$5,296 USD
View
18 more retailers have this diamond
Prices start from $4,838 NZDSave up to $4,715 NZD

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
$4,838 NZD