Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2568500193

Certificate GIA 2568500193

Diamond specifications and retailer prices

From $12,983 NZD

$7,317 USD

As of October 31, 2026

Save $13,507 NZD (51%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $26,490 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2568500193. Listed at 24 retailers as of October 30, 2026, with prices from $12,983 to $26,490, a $13,507 spread on the same certified stone. NZ Jewellers lists it at $26,490. 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

1.50

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle41.4°

OriginNatural

Grading LabGIA

CertificateGIA 2568500193

Dimensions7.30 × 7.35 × 4.58 mm

L/W Ratio1.01

Culet sizeNone

Key to symbols

Crystal, Cloud, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2568500193

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: Oct 31

Current: $26,490 NZD|Low: $11,808 NZD|High: $27,399 NZD|Avg: $15,199 NZD|+12.8%

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

November 2, 2026

Retailer 7$11,808 NZD

Retailer 16$12,138 NZD

Retailer 10$12,140 NZD

Retailer 11$12,944 NZD

Retailer 12$12,963 NZD

Retailer 18$12,963 NZD

Retailer 25$12,983 NZD

Retailer 20$13,226 NZD

Retailer 24$13,756 NZD

Retailer 14$14,044 NZD

Retailer 9$14,258 NZD

Retailer 17$14,336 NZD

Retailer 2$14,689 NZD

Retailer 21$14,815 NZD

Retailer 5$14,950 NZD

Retailer 6$14,977 NZD

Retailer 3$15,344 NZD

Retailer 22$15,915 NZD

Retailer 23$15,915 NZD

Retailer 15$16,203 NZD

Retailer 4$16,448 NZD

Retailer 13$16,521 NZD

Retailer 8$17,045 NZD

Retailer 19$22,074 NZD

NZ Jewellers$26,490 NZD

17 data points across 25 retailers

24 retailers$12,983 NZD to $26,490 NZD

Retailer 1

$11,808 NZD

$6,655 USD

Price last confirmed 15 days ago

Retailer 2

$12,138 NZD

$6,841 USD

View

Price last confirmed 14 days ago

Retailer 3

$12,140 NZD

$6,842 USD

View

Price last confirmed 13 days ago

Retailer 4

$12,944 NZD

$7,295 USD

View

Price last confirmed 13 days ago

Retailer 5

$12,963 NZD

$7,306 USD

View

Price last confirmed 21 days ago

B+

Retailer 6

$12,983 NZD

$7,317 USD

View

B+

Retailer 7

$13,226 NZD

CA$10,353 CAD

View

B+

Retailer 8

$13,756 NZD

$7,753 USD

View

Retailer 9

$14,044 NZD

$7,915 USD

View

Price last confirmed 15 days ago

Retailer 10

$14,258 NZD

$8,036 USD

View

Price last confirmed 17 days ago

Retailer 11

$14,336 NZD

$8,080 USD

View

Price last confirmed 14 days ago

B+

Retailer 12

$14,689 NZD

£6,519 GBP

View

B+

Retailer 13

$14,815 NZD

$8,350 USD

View

B+

Retailer 14

$14,950 NZD

$8,426 USD

View

Retailer 15

$14,977 NZD

£6,646 GBP

View

Price last confirmed 14 days ago

B+

Retailer 16

$15,344 NZD

$8,648 USD

View

B+

Retailer 17

$15,915 NZD

$8,970 USD

View

Retailer 18

$15,915 NZD

$8,970 USD

View

Retailer 19

$16,203 NZD

$9,132 USD

View

Price last confirmed 14 days ago

B+

Retailer 20

$16,448 NZD

$9,270 USD

View

B+

Retailer 21

$16,521 NZD

€8,868 EUR

View

Retailer 22

$17,045 NZD

ZAR 155,194 ZAR

View

Price last confirmed 15 days ago

Retailer 23

$22,074 NZD

£9,796 GBP

View

Most Expensive

NZ Jewellers

cf70eaa3-502a-417b-b0f2-03748adf61be · Oct 30

$26,490 NZD

$14,930 USD

View

23 more retailers have this diamond

Prices start from $12,983 NZDSave up to $13,507 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+

1.50ct Round

$12,983 NZD