Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2245072899

Certificate GIA 2245072899

Diamond specifications and retailer prices

From $12,755 AUD

HK$70,000 HKD

As of October 30, 2026

Save $11,775 AUD (48%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $24,530 AUD at With Clarity · As of October 30, 2026

View at With Clarity

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245072899. Listed at 26 retailers as of October 30, 2026, with prices from $12,755 to $24,530, a $11,775 spread on the same certified stone. With Clarity lists it at $24,530. 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 angle32.5°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 2245072899

Dimensions7.30 × 7.33 × 4.50 mm

L/W Ratio1.00

Culet sizeNone

Key to symbols

Feather, Crystal, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2245072899

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: Oct 30

Current: $15,378 AUD|Low: $12,755 AUD|High: $26,139 AUD|Avg: $18,200 AUD|-6.2%

Retailer 1

Retailer 2

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Retailer 5

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Retailer 7

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Retailer 10

Retailer 11

Retailer 12

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Retailer 16

Retailer 17

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Retailer 24

Retailer 25

With Clarity

October 31, 2026

Retailer 25$12,755 AUD

Retailer 12$13,086 AUD

Retailer 19$14,270 AUD

Retailer 11$14,499 AUD

Retailer 22$15,150 AUD

Retailer 1$15,378 AUD

Retailer 24$15,751 AUD

Retailer 14$15,788 AUD

Retailer 13$15,959 AUD

Retailer 2$16,080 AUD

Retailer 21$16,172 AUD

Retailer 7$16,403 AUD

Retailer 4$16,614 AUD

Retailer 17$16,653 AUD

Retailer 20$17,035 AUD

Retailer 10$17,769 AUD

Retailer 9$18,043 AUD

Retailer 5$18,197 AUD

Retailer 6$18,489 AUD

Retailer 16$18,676 AUD

Retailer 23$19,224 AUD

Retailer 18$21,131 AUD

Retailer 15$21,715 AUD

Retailer 3$23,222 AUD

Retailer 8$23,332 AUD

With Clarity$24,530 AUD

17 data points across 26 retailers

26 retailers$12,755 AUD to $24,530 AUD

Cheapest Retailer

$12,755 AUD

HK$70,000 HKD

B+

Retailer 2

$13,086 AUD

₹875,448 INR

View

B+

Retailer 3

$14,270 AUD

$10,024 USD

View

B+

Retailer 4

$14,499 AUD

$10,185 USD

View

B+

Retailer 5

$15,150 AUD

£8,380 GBP

View

B+

Retailer 6

$15,378 AUD

$10,802 USD

View

Final sale: no returns

Retailer 7

$15,472 AUD

SGD 14,687 SGD

View

Price last confirmed 19 days ago

B+

Retailer 8

$15,751 AUD

$11,064 USD

View

B+

Retailer 9

$15,788 AUD

SGD 14,987 SGD

View

B+

Retailer 10

$15,959 AUD

$11,210 USD

View

B+

Retailer 11

$16,080 AUD

£8,894 GBP

View

B+

Retailer 12

$16,172 AUD

$11,360 USD

View

B+

Retailer 13

$16,403 AUD

$11,522 USD

View

B+

Retailer 14

$16,614 AUD

$11,671 USD

View

Retailer 15

$16,653 AUD

View

Price last confirmed 7 days ago

B+

Retailer 16

$17,035 AUD

$11,966 USD

View

Retailer 17

$17,769 AUD

$12,482 USD

View

Retailer 18

$18,043 AUD

$12,674 USD

View

Retailer 19

$18,197 AUD

$12,782 USD

View

Retailer 20

$18,489 AUD

€12,369 EUR

View

Retailer 21

$18,676 AUD

$13,119 USD

View

Retailer 22

$19,224 AUD

$13,504 USD

View

Retailer 23

$21,715 AUD

ZAR 246,428 ZAR

View

Retailer 24

$23,222 AUD

$16,312 USD

View

Retailer 25

$23,332 AUD

£12,905 GBP

View

Most Expensive

With Clarity

2245072899 · Oct 30

$24,530 AUD

$17,231 USD

View

25 more retailers have this diamond

Prices start from $12,755 AUDSave up to $11,775 AUD

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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