Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1528839139

Certificate GIA 1528839139

Diamond specifications and retailer prices

From $9,546 NZD

$5,380 USD

As of November 1, 2026

Save $11,836 NZD (55%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $21,382 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528839139. Listed at 25 retailers as of October 30, 2026, with prices from $9,546 to $21,382, a $11,836 spread on the same certified stone. NZ Jewellers lists it at $21,382. 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

1.60

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 1528839139

Dimensions7.40 × 7.46 × 4.67 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

Culet sizeNone

Key to symbols

Crystal, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1528839139

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: Nov 1

Current: $21,382 NZD|Low: $9,546 NZD|High: $21,382 NZD|Avg: $12,431 NZD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

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Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

November 2, 2026

Retailer 3$9,546 NZD

Retailer 6$9,709 NZD

Retailer 7$9,819 NZD

Retailer 12$10,101 NZD

Retailer 23$10,111 NZD

Retailer 8$10,237 NZD

Retailer 14$10,690 NZD

Retailer 4$10,692 NZD

Retailer 25$10,761 NZD

Retailer 18$11,080 NZD

Retailer 15$11,341 NZD

Retailer 9$11,403 NZD

Retailer 10$11,583 NZD

Retailer 5$11,760 NZD

Retailer 16$11,764 NZD

Retailer 22$11,796 NZD

Retailer 13$12,178 NZD

Retailer 24$12,409 NZD

Retailer 17$12,649 NZD

Retailer 2$13,149 NZD

Retailer 11$13,364 NZD

Retailer 19$13,619 NZD

Retailer 21$15,708 NZD

Retailer 20$17,817 NZD

NZ Jewellers$21,382 NZD

31 data points across 25 retailers

25 retailers$9,546 NZD to $21,382 NZD

Cheapest Retailer

$9,546 NZD

$5,380 USD

Retailer 2

$9,709 NZD

$5,472 USD

View

Retailer 3

$9,819 NZD

$5,534 USD

View

Retailer 4

$10,101 NZD

$5,693 USD

View

Retailer 5

$10,111 NZD

$5,699 USD

View

B+

Retailer 6

$10,237 NZD

$5,770 USD

View

B+

Retailer 7

$10,690 NZD

$6,025 USD

View

Final sale: no returns

B+

Retailer 8

$10,692 NZD

$6,026 USD

View

Retailer 9

$10,761 NZD

$6,065 USD

View

B+

Retailer 10

$11,080 NZD

CA$8,673 CAD

View

B+

Retailer 11

$11,341 NZD

$6,392 USD

View

B+

Retailer 12

$11,403 NZD

$6,427 USD

View

B+

Retailer 13

$11,583 NZD

$6,528 USD

View

B+

Retailer 14

$11,760 NZD

$6,628 USD

View

Retailer 15

$11,764 NZD

$6,630 USD

View

Price last confirmed 18 days ago

B+

Retailer 16

$11,796 NZD

$6,648 USD

View

B+

Retailer 17

$12,178 NZD

£5,404 GBP

View

Retailer 18

$12,409 NZD

A$10,759 AUD

View

Price last confirmed 11 days ago

B+

Retailer 19

$12,649 NZD

$7,129 USD

View

B+

Retailer 20

$13,149 NZD

£5,835 GBP

View

Retailer 21

$13,364 NZD

$7,532 USD

View

B+

Retailer 22

$13,619 NZD

€7,310 EUR

View

Retailer 23

$15,708 NZD

ZAR 143,021 ZAR

View

Retailer 24

$17,817 NZD

£7,907 GBP

View

Most Expensive

NZ Jewellers

2943a18f-7cc3-4352-af1e-c57bdbc3520e · Oct 30

$21,382 NZD

$12,051 USD

View

24 more retailers have this diamond

Prices start from $9,546 NZDSave up to $11,836 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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