Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2205449268

Certificate GIA 2205449268

Diamond specifications and retailer prices

From $4,235 SGD

$3,313 USD

As of October 26, 2026

Save $6,908 SGD (62%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $11,144 SGD at Diamond Quarter · As of October 29, 2026

View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2205449268. Listed at 22 retailers as of October 26, 2026, with prices from $4,235 to $11,144, a $6,908 spread on the same certified stone. Diamond Quarter lists it at $11,144. 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

1.01

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

Crown angle33.5°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 2205449268

Dimensions6.53 × 6.50 × 3.91 mm

L/W Ratio1.00

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 2205449268

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 26

Current: $5,964 SGD|Low: $4,063 SGD|High: $9,056 SGD|Avg: $5,764 SGD|+3.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 27, 2026

Retailer 9$4,235 SGD

Retailer 7$4,391 SGD

Retailer 5$4,697 SGD

Retailer 8$5,089 SGD

Retailer 3$5,677 SGD

Retailer 1$5,964 SGD

Retailer 6$5,992 SGD

Retailer 2$6,841 SGD

Retailer 4$8,959 SGD

40 data points across 9 retailers

22 retailers$4,235 SGD to $11,144 SGD

B+

Cheapest Retailer

$4,235 SGD

$3,313 USD

B+

Retailer 2

$4,390 SGD

$3,434 USD

View

B+

Retailer 3

$4,478 SGD

$3,503 USD

View

B+

Retailer 4

$4,858 SGD

$3,800 USD

View

B+

Retailer 5

$5,077 SGD

$3,971 USD

View

B+

Retailer 6

$5,089 SGD

$3,981 USD

View

B+

Retailer 7

$5,089 SGD

$3,981 USD

View

B+

Retailer 8

$5,089 SGD

$3,981 USD

View

Retailer 9

$5,387 SGD

$4,214 USD

View

Price last confirmed 10 days ago

B+

Retailer 10

$5,677 SGD

£3,497 GBP

View

B+

Retailer 11

$5,740 SGD

$4,490 USD

View

B+

Retailer 12

$5,740 SGD

$4,490 USD

View

B+

Retailer 13

$5,873 SGD

$4,594 USD

View

B+

Retailer 14

$5,964 SGD

€4,443 EUR

View

Retailer 15

$5,992 SGD

A$7,211 AUD

View

Price last confirmed 21 days ago

Retailer 16

$6,354 SGD

$4,970 USD

View

Price last confirmed 8 days ago

Retailer 17

$6,405 SGD

$5,010 USD

View

Retailer 18

$6,841 SGD

ZAR 86,447 ZAR

View

Retailer 19

$8,124 SGD

$6,355 USD

View

Retailer 20

$8,959 SGD

£5,518 GBP

View

Retailer 21

$9,787 SGD

$7,656 USD

View

Most Expensive

Diamond Quarter

1.01SI1E22680F3CN · Oct 29

$11,144 SGD

£6,864 GBP

View

21 more retailers have this diamond

Prices start from $4,235 SGDSave up to $6,908 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.

Similar diamonds

B+

1.01ct Round

$4,235 SGD