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Heart|Natural|GIA

1.21ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2556967046

Certificate GIA 2556967046

Diamond specifications and retailer prices

From $2,816 NZD
As of November 6, 2026
Save $5,175 NZD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,991 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556967046. Listed at 10 retailers as of November 5, 2026, with prices from $2,816 to $7,991, a $5,175 spread on the same certified stone. NZ Jewellers lists it at $7,991. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Pavilion angle39.88°
OriginNatural
Grading LabGIA
CertificateGIA 2556967046
Dimensions6.64 × 7.20 × 4.34 mm
L/W Ratio1.08
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.64 mm7.20 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556967046
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 39.88°Culet: NoneDepth 60.3%

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 6
Current: $7,991 NZD|Low: $2,792 NZD|High: $9,351 NZD|Avg: $5,171 NZD|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,816 NZD
Retailer 6$3,593 NZD
Retailer 5$3,822 NZD
Retailer 2$3,905 NZD
Retailer 4$3,999 NZD
Retailer 10$4,652 NZD
Retailer 9$5,026 NZD
Retailer 8$5,834 NZD
Retailer 3$6,680 NZD
NZ Jewellers$7,991 NZD

35 data points across 10 retailers

10 retailers$2,816 NZD to $7,991 NZD

A
Cheapest Retailer
-
$2,816 NZD
A
Retailer 2
-
$3,593 NZD
View
A
Retailer 3
-
$3,822 NZD
View
A
Retailer 4
-
$3,905 NZD
View
A
Retailer 5
-
$3,999 NZD
View
B+
Retailer 6
-
$4,652 NZD
View
Retailer 7
-
$5,026 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$5,834 NZD
View
B+
Retailer 9
-
$6,680 NZD
View
Most Expensive
B
NZ Jewellers
b5984b9e-b597-4fd6-bf64-badd2a1171f9 · Nov 5
$7,991 NZD
$4,430 USD
View
9 more retailers have this diamond
Prices start from $2,816 NZDSave up to $5,175 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.

A
1.21ct Heart
$2,816 NZD