Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552881090

Certificate GIA 6552881090

Diamond specifications and retailer prices

From $10,407 AUD

$7,310 USD

As of October 30, 2026

Save $12,552 AUD (55%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $22,958 AUD at NZ Jewellers · As of October 27, 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 6552881090. Listed at 26 retailers as of October 27, 2026, with prices from $10,407 to $22,958, a $12,552 spread on the same certified stone. NZ Jewellers lists it at $22,958. 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 angle35.5°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 6552881090

Dimensions7.27 × 7.30 × 4.57 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6552881090

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 30

Current: $14,200 AUD|Low: $10,006 AUD|High: $19,360 AUD|Avg: $13,539 AUD|+3.5%

Retailer 1

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

November 1, 2026

Retailer 14$10,748 AUD

Retailer 12$11,007 AUD

Retailer 15$11,424 AUD

Retailer 2$12,233 AUD

Retailer 10$12,680 AUD

Retailer 13$12,736 AUD

Retailer 8$13,523 AUD

Retailer 3$13,610 AUD

Retailer 5$13,610 AUD

Retailer 7$13,909 AUD

Retailer 6$14,065 AUD

Retailer 1$14,200 AUD

Retailer 4$15,113 AUD

Retailer 11$16,565 AUD

Retailer 9$19,155 AUD

41 data points across 15 retailers

26 retailers$10,407 AUD to $22,958 AUD

B+

Cheapest Retailer

$10,407 AUD

$7,310 USD

B+

Retailer 2

$10,720 AUD

View

B+

Retailer 3

$10,748 AUD

$7,550 USD

View

B+

Retailer 4

$11,007 AUD

$7,732 USD

View

Final sale: no returns

B+

Retailer 5

$11,053 AUD

$7,764 USD

View

B+

Retailer 6

$11,279 AUD

CA$11,004 CAD

View

B+

Retailer 7

$11,424 AUD

$8,025 USD

View

Retailer 8

$11,478 AUD

$8,063 USD

View

Price last confirmed 7 days ago

Retailer 9

$12,233 AUD

$8,593 USD

View

Price last confirmed 7 days ago

B+

Retailer 10

$12,435 AUD

$8,735 USD

View

Retailer 11

$12,627 AUD

$8,870 USD

View

Price last confirmed 7 days ago

Retailer 12

$12,680 AUD

View

Price last confirmed 9 days ago

Retailer 13

$12,736 AUD

$8,946 USD

View

B+

Retailer 14

$13,191 AUD

$9,266 USD

View

B+

Retailer 15

$13,523 AUD

£7,480 GBP

View

B+

Retailer 16

$13,610 AUD

$9,560 USD

View

B+

Retailer 17

$13,610 AUD

$9,560 USD

View

B+

Retailer 18

$13,909 AUD

$9,770 USD

View

B+

Retailer 19

$14,065 AUD

$9,880 USD

View

B+

Retailer 20

$14,200 AUD

€9,500 EUR

View

Retailer 21

$14,348 AUD

$10,079 USD

View

Retailer 22

$14,646 AUD

$10,288 USD

View

Retailer 23

$15,113 AUD

$10,616 USD

View

Price last confirmed 9 days ago

Retailer 24

$16,565 AUD

ZAR 187,985 ZAR

View

Price last confirmed 10 days ago

Retailer 25

$19,155 AUD

£10,595 GBP

View

Most Expensive

NZ Jewellers

4464d239-44b9-4c6f-8d44-4a71a19c56fa · Oct 27

$22,958 AUD

$16,127 USD

View

25 more retailers have this diamond

Prices start from $10,407 AUDSave up to $12,552 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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