Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1529681089

Certificate GIA 1529681089

Diamond specifications and retailer prices

From $3,355 SGD

HK$20,500 HKD

As of October 31, 2026

Save $4,348 SGD (56%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $7,702 SGD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1529681089. Listed at 26 retailers as of October 30, 2026, with prices from $3,355 to $7,702, a $4,348 spread on the same certified stone. NZ Jewellers lists it at $7,702. 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

1.20

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.6°

OriginNatural

Grading LabGIA

CertificateGIA 1529681089

Dimensions6.76 × 6.72 × 4.23 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

Girdle conditionFaceted

Culet sizeNone

Cert comments

Additional clouds are not shown. Additional pinpoints are not shown.

Key to symbols

Crystal, Cloud, Feather, Needle, Pinpoint

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1529681089

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 31

Current: $7,702 SGD|Low: $3,322 SGD|High: $7,828 SGD|Avg: $4,651 SGD|-1.6%

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

October 31, 2026

Retailer 13$3,355 SGD

Retailer 21$3,470 SGD

Retailer 4$3,484 SGD

Retailer 18$3,505 SGD

Retailer 20$3,531 SGD

Retailer 11$3,627 SGD

Retailer 17$3,663 SGD

Retailer 5$3,693 SGD

Retailer 7$3,893 SGD

Retailer 6$4,005 SGD

Retailer 12$4,005 SGD

Retailer 15$4,094 SGD

Retailer 10$4,160 SGD

Retailer 22$4,267 SGD

Retailer 8$4,551 SGD

Retailer 14$4,551 SGD

Retailer 24$4,592 SGD

Retailer 19$4,621 SGD

Retailer 23$4,705 SGD

Retailer 3$4,886 SGD

Retailer 2$5,434 SGD

Retailer 16$6,487 SGD

Retailer 9$7,554 SGD

NZ Jewellers$7,702 SGD

21 data points across 24 retailers

26 retailers$3,355 SGD to $7,702 SGD

Cheapest Retailer

$3,355 SGD

HK$20,500 HKD

Retailer 2

$3,470 SGD

$2,714 USD

View

Retailer 3

$3,484 SGD

$2,725 USD

View

Retailer 4

$3,505 SGD

$2,742 USD

View

Retailer 5

$3,531 SGD

$2,762 USD

View

Retailer 6

$3,627 SGD

$2,837 USD

View

Final sale: no returns

Retailer 7

$3,663 SGD

$2,865 USD

View

Price last confirmed 10 days ago

Retailer 8

$3,693 SGD

A$4,445 AUD

View

B+

Retailer 9

$3,893 SGD

$3,045 USD

View

B+

Retailer 10

$4,005 SGD

$3,133 USD

View

B+

Retailer 11

$4,005 SGD

$3,133 USD

View

B+

Retailer 12

$4,094 SGD

CA$4,448 CAD

View

B+

Retailer 13

$4,160 SGD

$3,254 USD

View

B+

Retailer 14

$4,267 SGD

£2,628 GBP

View

B+

Retailer 15

$4,551 SGD

$3,560 USD

View

B+

Retailer 16

$4,551 SGD

$3,560 USD

View

B+

Retailer 17

$4,592 SGD

£2,828 GBP

View

B+

Retailer 18

$4,621 SGD

$3,615 USD

View

B+

Retailer 19

$4,705 SGD

$3,680 USD

View

Retailer 20

$4,779 SGD

A$5,751 AUD

View

Price last confirmed 28 days ago

B+

Retailer 21

$4,886 SGD

€3,640 EUR

View

Retailer 22

$5,051 SGD

$3,951 USD

View

Price last confirmed 9 days ago

B+

Retailer 23

$5,434 SGD

ZAR 68,675 ZAR

View

Retailer 24

$6,487 SGD

$5,074 USD

View

Retailer 25

$7,554 SGD

£4,653 GBP

View

Most Expensive

NZ Jewellers

6ce402cb-b0dc-4558-a70e-96c4bf8bd3c9 · Oct 30

$7,702 SGD

$6,025 USD

View

25 more retailers have this diamond

Prices start from $3,355 SGDSave up to $4,348 SGD

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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