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Heart|Natural|GIA

1.00ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6551331596

Certificate GIA 6551331596

Diamond specifications and retailer prices

From $2,181 NZD
As of November 6, 2026
Save $4,863 NZD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,044 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551331596. Listed at 13 retailers as of November 5, 2026, with prices from $2,181 to $7,044, a $4,863 spread on the same certified stone. NZ Jewellers lists it at $7,044. 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

1.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551331596
Dimensions5.97 × 6.92 × 4.05 mm
L/W Ratio1.16
Girdle conditionVery Thick
Top View
5.97 mm6.92 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551331596
Side View
Table 54.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 58.5%

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: $7,044 NZD|Low: $2,181 NZD|High: $7,044 NZD|Avg: $3,435 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,181 NZD
Retailer 11$2,305 NZD
Retailer 12$2,677 NZD
Retailer 10$2,679 NZD
Retailer 5$2,801 NZD
Retailer 3$2,848 NZD
Retailer 4$3,133 NZD
Retailer 7$3,202 NZD
Retailer 8$3,523 NZD
Retailer 6$3,922 NZD
Retailer 9$5,044 NZD
NZ Jewellers$7,044 NZD

25 data points across 12 retailers

13 retailers$2,181 NZD to $7,044 NZD

A
Cheapest Retailer
-
$2,181 NZD
A
Retailer 2
-
$2,305 NZD
View
Final sale: no returns
A
Retailer 3
-
$2,677 NZD
View
A
Retailer 4
-
$2,679 NZD
View
A
Retailer 5
-
$2,801 NZD
View
A
Retailer 6
-
$2,848 NZD
View
B+
Retailer 7
-
$3,133 NZD
View
B+
Retailer 8
-
$3,202 NZD
View
B+
Retailer 9
-
$3,523 NZD
View
B+
Retailer 10
-
$3,922 NZD
View
Retailer 11
-
$3,938 NZD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$5,044 NZD
View
Most Expensive
B
NZ Jewellers
78097f80-a556-4d92-a4a2-3b91b4f8b8e4 · Nov 5
$7,044 NZD
$3,905 USD
View
12 more retailers have this diamond
Prices start from $2,181 NZDSave up to $4,863 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
1.00ct Heart
$2,181 NZD