Heart|Natural|GIA

0.42ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6515482839

Certificate GIA 6515482839

Diamond specifications and retailer prices

From $827 NZD

£366 GBP

As of November 2, 2026

13 retailers carry this diamond

Most expensive: $3,288 NZD at NZ Jewellers · As of October 18, 2026

View at NZ Jewellers

About this 0.42ct natural heart diamond

This 0.42ct natural heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515482839. Listed at 13 retailers as of November 2, 2026. 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

0.42

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle37.61°

Pavilion angle38.78°

OriginNatural

Grading LabGIA

CertificateGIA 6515482839

Dimensions4.45 × 5.19 × 3.09 mm

L/W Ratio1.17

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 6515482839

Side View

Caratlytics Score

How it works →

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 2

Current: $3,288 NZD|Low: $812 NZD|High: $3,288 NZD|Avg: $1,245 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

Retailer 13

Retailer 14

November 2, 2026

Retailer 2$827 NZD

Retailer 11$858 NZD

Retailer 4$924 NZD

Retailer 13$924 NZD

Retailer 5$950 NZD

Retailer 9$990 NZD

Retailer 12$1,114 NZD

Retailer 8$1,138 NZD

Retailer 6$1,217 NZD

Retailer 3$1,337 NZD

Retailer 14$1,374 NZD

Retailer 7$1,704 NZD

Retailer 10$1,946 NZD

NZ Jewellers$3,288 NZD

46 data points across 14 retailers

13 retailers

Cheapest Retailer

$827 NZD

£366 GBP

Retailer 2

$858 NZD

$483 USD

View

Price last confirmed 15 days ago

Retailer 3

$924 NZD

$520 USD

View

Price last confirmed 16 days ago

Retailer 4

$990 NZD

$557 USD

View

Price last confirmed 14 days ago

Retailer 5

$1,091 NZD

$614 USD

View

Price last confirmed 15 days ago

Retailer 6

$1,114 NZD

$627 USD

View

Price last confirmed 14 days ago

Retailer 7

$1,138 NZD

£504 GBP

View

Price last confirmed 10 days ago

Retailer 8

$1,139 NZD

$641 USD

View

Price last confirmed 15 days ago

Retailer 9

$1,217 NZD

$685 USD

View

Price last confirmed 13 days ago

Retailer 10

$1,337 NZD

ZAR 12,156 ZAR

View

Price last confirmed 29 days ago

Retailer 11

$1,374 NZD

A$1,189 AUD

View

Price last confirmed 28 days ago

Retailer 12

$1,946 NZD

£862 GBP

View

Price last confirmed 14 days ago

Most Expensive

NZ Jewellers

b61d1706-0b99-4ac6-8a3f-f74469a6ef83 · Oct 18

$3,288 NZD

$1,850 USD

View

Price under review

12 more retailers have this diamond

Prices start from $827 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.

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