Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2526693270

Certificate GIA 2526693270

Diamond specifications and retailer prices

From $8,556 NZD

$4,822 USD

As of November 1, 2026

Save $7,858 NZD (48%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $16,413 NZD at MOH London · As of November 1, 2026

View at MOH London

About this 1.53ct natural round diamond

This 1.53ct 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 2526693270. Listed at 24 retailers as of November 1, 2026, with prices from $8,556 to $16,413, a $7,858 spread on the same certified stone. MOH London lists it at $16,413. 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

1.53

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle41.6°

OriginNatural

Grading LabGIA

CertificateGIA 2526693270

Dimensions7.38 × 7.32 × 4.58 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2526693270

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: $16,413 NZD|Low: $6,995 NZD|High: $16,501 NZD|Avg: $10,221 NZD|+11.4%

MOH London

Retailer 2

Retailer 3

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Retailer 5

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Retailer 11

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Retailer 22

November 2, 2026

Retailer 11$6,995 NZD

Retailer 12$7,306 NZD

Retailer 21$8,556 NZD

Retailer 7$8,801 NZD

Retailer 18$8,806 NZD

Retailer 3$8,915 NZD

Retailer 14$9,255 NZD

Retailer 6$9,315 NZD

Retailer 5$9,430 NZD

Retailer 17$9,967 NZD

Retailer 15$10,230 NZD

Retailer 22$10,273 NZD

Retailer 2$10,528 NZD

Retailer 8$10,567 NZD

Retailer 9$11,267 NZD

Retailer 19$11,267 NZD

Retailer 10$11,415 NZD

Retailer 4$11,639 NZD

Retailer 13$11,901 NZD

Retailer 16$13,688 NZD

Retailer 20$16,143 NZD

MOH London$16,413 NZD

27 data points across 22 retailers

24 retailers$8,556 NZD to $16,413 NZD

Retailer 1

$6,995 NZD

HK$30,800 HKD

Price last confirmed 34 days ago

Retailer 2

$8,500 NZD

$4,791 USD

View

Price last confirmed 98 days ago

Retailer 3

$8,556 NZD

$4,822 USD

View

Retailer 4

$8,801 NZD

$4,960 USD

View

Retailer 5

$8,806 NZD

$4,963 USD

View

Retailer 6

$8,915 NZD

$5,025 USD

View

Retailer 7

$9,239 NZD

$5,207 USD

View

Price last confirmed 34 days ago

Retailer 8

$9,255 NZD

A$8,025 AUD

View

Price last confirmed 34 days ago

Retailer 9

$9,315 NZD

$5,250 USD

View

Final sale: no returns

B+

Retailer 10

$9,430 NZD

$5,315 USD

View

B+

Retailer 11

$9,967 NZD

$5,617 USD

View

B+

Retailer 12

$10,273 NZD

$5,790 USD

View

B+

Retailer 13

$10,528 NZD

£4,672 GBP

View

B+

Retailer 14

$10,567 NZD

$5,956 USD

View

Retailer 15

$10,660 NZD

$6,008 USD

View

Price last confirmed 33 days ago

B+

Retailer 16

$11,267 NZD

$6,350 USD

View

B+

Retailer 17

$11,267 NZD

$6,350 USD

View

B+

Retailer 18

$11,415 NZD

$6,433 USD

View

B+

Retailer 19

$11,639 NZD

$6,560 USD

View

B+

Retailer 20

$11,901 NZD

€6,388 EUR

View

B+

Retailer 21

$13,688 NZD

ZAR 124,626 ZAR

View

Retailer 22

$15,452 NZD

$8,709 USD

View

Price last confirmed 35 days ago

Retailer 23

$16,143 NZD

$9,098 USD

View

Most Expensive

MOH London

F190AC915 · Nov 1

$16,413 NZD

£7,284 GBP

View

23 more retailers have this diamond

Prices start from $8,556 NZDSave up to $7,858 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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1.53ct Round

$8,556 NZD