Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 1555914398

Certificate GIA 1555914398

Diamond specifications and retailer prices

From $1,510 USD

HK$11,800 HKD

As of October 31, 2026

Save $2,839 USD (65%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $4,350 USD at Queensmith · As of October 28, 2026

View at Queensmith

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 1555914398. Listed at 23 retailers as of October 28, 2026, with prices from $1,510 to $4,350, a $2,839 spread on the same certified stone. Queensmith lists it at $4,350. 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

Color

SI1

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishVery Good

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 1555914398

Dimensions6.41 × 7.05 × 3.84 mm

L/W Ratio1.10

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Twinning Wisp, Feather, Cloud, Crystal, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishVery Good

SymmetryExcellent

FluorescenceNone

CertificateGIA 1555914398

Side View

Caratlytics Score

How it works →

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: Oct 31

Current: $4,350 USD|Low: $1,498 USD|High: $4,362 USD|Avg: $2,394 USD|+2.7%

Queensmith

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 13$1,510 USD

Retailer 12$1,607 USD

Retailer 9$1,865 USD

Retailer 8$1,866 USD

Retailer 7$1,884 USD

Retailer 17$1,978 USD

Retailer 6$2,021 USD

Retailer 18$2,021 USD

Retailer 16$2,055 USD

Retailer 3$2,115 USD

Retailer 10$2,160 USD

Retailer 11$2,217 USD

Retailer 4$2,332 USD

Retailer 15$2,485 USD

Retailer 14$2,762 USD

Retailer 2$3,542 USD

Retailer 5$4,226 USD

Queensmith$4,350 USD

22 data points across 18 retailers

23 retailers$1,510 USD to $4,350 USD

Cheapest Retailer

$1,510 USD

HK$11,800 HKD

Retailer 2

$1,607 USD

₹153,016 INR

View

B+

Retailer 3

$1,865 USD

View

Final sale: no returns

B+

Retailer 4

$1,866 USD

SGD 2,521 SGD

View

B+

Retailer 5

$1,884 USD

View

B+

Retailer 6

$1,905 USD

View

B+

Retailer 7

$1,978 USD

£1,557 GBP

View

B+

Retailer 8

$2,021 USD

View

B+

Retailer 9

$2,021 USD

View

B+

Retailer 10

$2,055 USD

View

B+

Retailer 11

$2,072 USD

A$3,188 AUD

View

B+

Retailer 12

$2,106 USD

SGD 2,846 SGD

View

B+

Retailer 13

$2,110 USD

View

B+

Retailer 14

$2,115 USD

View

B+

Retailer 15

$2,160 USD

View

B+

Retailer 16

$2,217 USD

£1,746 GBP

View

B+

Retailer 17

$2,332 USD

View

B+

Retailer 18

$2,485 USD

ZAR 40,139 ZAR

View

Retailer 19

$2,509 USD

A$3,860 AUD

View

Price last confirmed 27 days ago

Retailer 20

$2,762 USD

€2,630 EUR

View

Retailer 21

$3,542 USD

£2,789 GBP

View

Retailer 22

$4,226 USD

View

Most Expensive

Queensmith

1555914398 · Oct 28

$4,350 USD

£3,425 GBP

View

22 more retailers have this diamond

Prices start from $1,510 USDSave up to $2,839 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.

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