Heart|Natural|GIA

1.00ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2546210579

Certificate GIA 2546210579

Diamond specifications and retailer prices

From $1,642 USD
As of November 6, 2026
Save $4,081 USD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,723 USD 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 2546210579. Listed at 17 retailers as of November 5, 2026, with prices from $1,642 to $5,723, a $4,081 spread on the same certified stone. NZ Jewellers lists it at $5,723. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2546210579
Dimensions6.28 × 6.69 × 3.85 mm
L/W Ratio1.07
Top View
6.28 mm6.69 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 2546210579
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,723 USD|Low: $1,642 USD|High: $5,723 USD|Avg: $3,202 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,642 USD
Retailer 4$2,655 USD
Retailer 9$2,737 USD
Retailer 11$2,737 USD
Retailer 3$2,842 USD
Retailer 6$2,897 USD
Retailer 10$3,158 USD
Retailer 5$3,185 USD
Retailer 7$3,341 USD
Retailer 8$4,782 USD
NZ Jewellers$5,723 USD

26 data points across 11 retailers

17 retailers$1,642 USD to $5,723 USD

A
Cheapest Retailer
-
$1,642 USD
B
Retailer 2
-
$2,452 USD
View
B
Retailer 3
-
$2,526 USD
View
Final sale: no returns
B
Retailer 4
-
$2,594 USD
View
B
Retailer 5
-
$2,655 USD
View
B
Retailer 6
-
$2,690 USD
View
B
Retailer 7
-
$2,737 USD
View
Retailer 8
-
$2,737 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,842 USD
View
B
Retailer 10
-
$2,842 USD
View
B
Retailer 11
-
$2,897 USD
View
Retailer 12
-
$3,066 USD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$3,158 USD
View
B
Retailer 14
-
$3,185 USD
View
B
Retailer 15
-
$3,341 USD
View
B
Retailer 16
-
$4,782 USD
View
Most Expensive
C
NZ Jewellers
82ca3768-f550-4974-89f0-ed29e731af53 · Nov 5
$5,723 USD
View
16 more retailers have this diamond
Prices start from $1,642 USDSave up to $4,081 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
$1,642 USD