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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 5553588987

Certificate GIA 5553588987

Diamond specifications and retailer prices

From $1,361 USD
As of November 1, 2026
Save $3,123 USD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,484 USD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553588987. Listed at 14 retailers as of October 30, 2026, with prices from $1,361 to $4,484, a $3,123 spread on the same certified stone. NZ Jewellers lists it at $4,484. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553588987
Dimensions6.86 × 5.79 × 4.15 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
6.86 mm5.79 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553588987
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.5%

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 1
Current: $4,484 USD|Low: $1,269 USD|High: $4,484 USD|Avg: $2,061 USD|+0.9%
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
Retailer 18
November 1, 2026
Retailer 8$1,361 USD
Retailer 6$1,467 USD
Retailer 5$1,523 USD
Retailer 14$1,666 USD
Retailer 16$1,666 USD
Retailer 7$1,720 USD
Retailer 15$1,742 USD
Retailer 2$1,818 USD
Retailer 9$1,837 USD
Retailer 17$1,845 USD
Retailer 13$1,922 USD
Retailer 3$1,960 USD
Retailer 18$1,960 USD
Retailer 4$2,020 USD
Retailer 10$2,049 USD
Retailer 12$2,512 USD
Retailer 11$3,221 USD
NZ Jewellers$4,484 USD

32 data points across 18 retailers

14 retailers$1,361 USD to $4,484 USD

A
Cheapest Retailer
-
$1,361 USD
A
Retailer 2
-
$1,467 USD
View
A
Retailer 3
-
$1,666 USD
View
B+
Retailer 4
-
$1,720 USD
View
B+
Retailer 5
-
$1,742 USD
View
B+
Retailer 6
-
$1,818 USD
£1,431 GBP
View
B+
Retailer 7
-
$1,845 USD
View
B+
Retailer 8
-
$1,922 USD
View
B+
Retailer 9
-
$1,960 USD
View
B+
Retailer 10
-
$1,960 USD
View
B+
Retailer 11
-
$2,020 USD
View
B+
Retailer 12
-
$2,512 USD
€2,392 EUR
View
B
Retailer 13
-
$3,221 USD
£2,536 GBP
View
Most Expensive
B
NZ Jewellers
d5307ce0-16e2-407b-9e7e-13e2ee616e02 · Oct 30
$4,484 USD
View
13 more retailers have this diamond
Prices start from $1,361 USDSave up to $3,123 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
1.00ct Heart
$1,361 USD