Heart|Natural|GIA

1.70ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6531454705

Certificate GIA 6531454705

Diamond specifications and retailer prices

From $15,282 NZD

$8,613 USD

As of November 1, 2026

Save $12,259 NZD (45%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $27,541 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531454705. Listed at 18 retailers as of October 30, 2026, with prices from $15,282 to $27,541, a $12,259 spread on the same certified stone. NZ Jewellers lists it at $27,541. 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

1.70

Carat

Colour

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Pavilion angle39.8°

OriginNatural

Grading LabGIA

CertificateGIA 6531454705

Dimensions7.39 × 8.15 × 4.72 mm

L/W Ratio1.10

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6531454705

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $27,541 NZD|Low: $16,524 NZD|High: $27,541 NZD|Avg: $20,384 NZD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 7$16,524 NZD

Retailer 9$16,662 NZD

Retailer 6$17,901 NZD

Retailer 3$18,084 NZD

Retailer 5$18,178 NZD

Retailer 2$19,836 NZD

Retailer 8$20,656 NZD

Retailer 10$21,748 NZD

Retailer 4$25,808 NZD

NZ Jewellers$27,541 NZD

43 data points across 10 retailers

18 retailers$15,282 NZD to $27,541 NZD

B+

Cheapest Retailer

$15,282 NZD

$8,613 USD

B+

Retailer 2

$15,472 NZD

$8,720 USD

View

B+

Retailer 3

$15,480 NZD

A$13,422 AUD

View

B+

Retailer 4

$16,021 NZD

CA$12,541 CAD

View

B+

Retailer 5

$16,524 NZD

$9,313 USD

View

B+

Retailer 6

$16,662 NZD

$9,391 USD

View

B+

Retailer 7

$17,901 NZD

$10,089 USD

View

B+

Retailer 8

$18,084 NZD

£8,025 GBP

View

B+

Retailer 9

$18,178 NZD

$10,245 USD

View

Retailer 10

$19,047 NZD

$10,735 USD

View

Retailer 11

$19,446 NZD

$10,960 USD

View

Retailer 12

$19,446 NZD

$10,960 USD

View

Retailer 13

$19,836 NZD

€10,647 EUR

View

Retailer 14

$20,085 NZD

$11,320 USD

View

Retailer 15

$20,656 NZD

$11,642 USD

View

Retailer 16

$21,748 NZD

$12,257 USD

View

Price last confirmed 10 days ago

Retailer 17

$25,808 NZD

£11,453 GBP

View

Most Expensive

NZ Jewellers

21c0fa02-08f9-493f-9a00-f5ccc72755ee · Oct 30

$27,541 NZD

$15,522 USD

View

17 more retailers have this diamond

Prices start from $15,282 NZDSave up to $12,259 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.

Similar diamonds

B+

1.70ct Heart

$15,282 NZD