Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566116791

Certificate GIA 2566116791

Diamond specifications and retailer prices

From $3,282 SGD

$2,567 USD

As of November 2, 2026

Save $4,503 SGD (58%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $7,785 SGD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.11ct natural round diamond

This 1.11ct 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 2566116791. Listed at 23 retailers as of October 30, 2026, with prices from $3,282 to $7,785, a $4,503 spread on the same certified stone. NZ Jewellers lists it at $7,785. 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

1.11

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.5°

Pavilion angle41.8°

OriginNatural

Grading LabGIA

CertificateGIA 2566116791

Dimensions6.75 × 6.78 × 4.08 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Cloud, Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2566116791

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: $3,996 SGD|Low: $2,997 SGD|High: $6,228 SGD|Avg: $3,951 SGD|+15.7%

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

Retailer 16

Retailer 17

November 2, 2026

Retailer 4$2,997 SGD

Retailer 3$3,282 SGD

Retailer 8$3,305 SGD

Retailer 14$3,325 SGD

Retailer 6$3,396 SGD

Retailer 9$3,621 SGD

Retailer 15$3,695 SGD

Retailer 16$3,695 SGD

Retailer 12$3,724 SGD

Retailer 1$3,996 SGD

Retailer 10$4,120 SGD

Retailer 5$4,138 SGD

Retailer 13$4,268 SGD

Retailer 7$4,289 SGD

Retailer 17$4,483 SGD

Retailer 2$5,420 SGD

Retailer 11$6,228 SGD

31 data points across 17 retailers

23 retailers$3,282 SGD to $7,785 SGD

Retailer 1

$2,997 SGD

$2,344 USD

Price last confirmed 18 days ago

Retailer 2

$3,282 SGD

$2,567 USD

View

Retailer 3

$3,305 SGD

$2,585 USD

View

Price last confirmed 11 days ago

Retailer 4

$3,325 SGD

$2,601 USD

View

Retailer 5

$3,346 SGD

$2,617 USD

View

Price last confirmed 13 days ago

Retailer 6

$3,346 SGD

$2,617 USD

View

Price last confirmed 17 days ago

Retailer 7

$3,396 SGD

$2,657 USD

View

Price last confirmed 15 days ago

Retailer 8

$3,475 SGD

$2,718 USD

View

Price last confirmed 18 days ago

B+

Retailer 9

$3,621 SGD

A$4,358 AUD

View

B+

Retailer 10

$3,695 SGD

$2,890 USD

View

B+

Retailer 11

$3,695 SGD

$2,890 USD

View

B+

Retailer 12

$3,724 SGD

CA$4,046 CAD

View

Retailer 13

$3,861 SGD

$3,020 USD

View

Price last confirmed 12 days ago

B+

Retailer 14

$3,996 SGD

£2,461 GBP

View

B+

Retailer 15

$4,120 SGD

€3,069 EUR

View

Retailer 16

$4,138 SGD

A$4,980 AUD

View

Price last confirmed 25 days ago

B+

Retailer 17

$4,268 SGD

$3,339 USD

View

Retailer 18

$4,289 SGD

$3,355 USD

View

Price last confirmed 19 days ago

Retailer 19

$4,483 SGD

ZAR 56,657 ZAR

View

Price last confirmed 16 days ago

Retailer 20

$5,420 SGD

$4,239 USD

View

Price last confirmed 13 days ago

Retailer 21

$6,228 SGD

£3,836 GBP

View

Retailer 22

$7,722 SGD

$6,040 USD

View

Price last confirmed 13 days ago

Most Expensive

NZ Jewellers

8fcd8018-1513-4672-a527-f4185ff9f51c · Oct 30

$7,785 SGD

$6,090 USD

View

22 more retailers have this diamond

Prices start from $3,282 SGDSave up to $4,503 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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1.11ct Round

$3,282 SGD