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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1489291904

Certificate GIA 1489291904

Diamond specifications and retailer prices

From $1,677 USD
HK$13,100 HKD
As of November 1, 2026
Save $3,035 USD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,712 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 H 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 1489291904. Listed at 19 retailers as of October 30, 2026, with prices from $1,677 to $4,712, a $3,035 spread on the same certified stone. NZ Jewellers lists it at $4,712. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle1°
Pavilion angle1°
OriginNatural
Grading LabGIA
CertificateGIA 1489291904
Dimensions5.79 × 6.76 × 4.17 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.79 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489291904
Side View
Table 58.0%Crown 1°Girdle: ETK-ETKPavilion 1°Culet: NoneDepth 61.7%

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: $4,712 USD|Low: $1,659 USD|High: $4,825 USD|Avg: $2,644 USD|-2.3%
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
Retailer 19
November 2, 2026
Retailer 12$1,677 USD
Retailer 5$1,976 USD
Retailer 4$2,036 USD
Retailer 7$2,080 USD
Retailer 16$2,133 USD
Retailer 3$2,254 USD
Retailer 9$2,254 USD
Retailer 19$2,260 USD
Retailer 8$2,328 USD
Retailer 15$2,358 USD
Retailer 18$2,393 USD
Retailer 2$2,473 USD
Retailer 17$2,600 USD
Retailer 6$2,629 USD
Retailer 13$2,770 USD
Retailer 11$2,842 USD
Retailer 10$3,238 USD
Retailer 14$3,970 USD
NZ Jewellers$4,712 USD

45 data points across 19 retailers

19 retailers$1,677 USD to $4,712 USD

A
Cheapest Retailer
-
$1,677 USD
HK$13,100 HKD
B+
Retailer 2
-
$1,976 USD
View
B+
Retailer 3
-
$2,036 USD
View
B+
Retailer 4
-
$2,080 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,133 USD
View
B+
Retailer 6
-
$2,254 USD
View
B+
Retailer 7
-
$2,254 USD
View
B+
Retailer 8
-
$2,260 USD
View
B
Retailer 9
-
$2,328 USD
SGD 3,146 SGD
View
B
Retailer 10
-
$2,358 USD
View
B
Retailer 11
-
$2,393 USD
View
B+
Retailer 12
-
$2,473 USD
£1,947 GBP
View
B+
Retailer 13
-
$2,600 USD
View
B
Retailer 14
-
$2,629 USD
View
B
Retailer 15
-
$2,770 USD
ZAR 44,752 ZAR
View
Retailer 16
-
$2,842 USD
A$4,372 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$3,238 USD
View
B
Retailer 18
-
$3,970 USD
£3,126 GBP
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Oct 30
$4,712 USD
View
18 more retailers have this diamond
Prices start from $1,677 USDSave up to $3,035 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
$1,677 USD