Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6521583766

Certificate GIA 6521583766

Diamond specifications and retailer prices

From $43,219 SGD

$33,807 USD

As of October 30, 2026

Save $31,318 SGD (42%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $74,536 SGD at MOH London · As of October 29, 2026

View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521583766. Listed at 20 retailers as of October 29, 2026, with prices from $43,219 to $74,536, a $31,318 spread on the same certified stone. MOH London lists it at $74,536. 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

2.50

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.5°

Pavilion angle41.8°

OriginNatural

Grading LabGIA

CertificateGIA 6521583766

Dimensions8.74 × 8.68 × 5.35 mm

L/W Ratio1.01

Star length55%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6521583766

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: $74,536 SGD|Low: $40,755 SGD|High: $75,032 SGD|Avg: $53,263 SGD|-0.5%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 30, 2026

Retailer 6$40,755 SGD

Retailer 7$43,515 SGD

Retailer 8$46,993 SGD

Retailer 9$47,432 SGD

Retailer 3$47,461 SGD

Retailer 2$51,761 SGD

Retailer 4$55,683 SGD

Retailer 5$65,293 SGD

MOH London$74,536 SGD

36 data points across 9 retailers

20 retailers$43,219 SGD to $74,536 SGD

Retailer 1

$40,755 SGD

$31,880 USD

Price last confirmed 9 days ago

B+

Retailer 2

$43,219 SGD

$33,807 USD

View

B+

Retailer 3

$43,515 SGD

$34,039 USD

View

Final sale: no returns

Retailer 4

$46,067 SGD

$36,035 USD

View

Retailer 5

$46,993 SGD

A$56,553 AUD

View

Price last confirmed 26 days ago

B+

Retailer 6

$47,432 SGD

$37,103 USD

View

B+

Retailer 7

$47,461 SGD

£29,232 GBP

View

Retailer 8

$49,449 SGD

$38,680 USD

View

Price last confirmed 41 days ago

B+

Retailer 9

$49,487 SGD

$38,710 USD

View

B+

Retailer 10

$49,487 SGD

$38,710 USD

View

Retailer 11

$50,764 SGD

$39,709 USD

View

Retailer 12

$51,091 SGD

$39,965 USD

View

Retailer 13

$51,136 SGD

$40,000 USD

View

Retailer 14

$51,427 SGD

$40,228 USD

View

Price last confirmed 38 days ago

B+

Retailer 15

$51,761 SGD

£31,881 GBP

View

Retailer 16

$53,405 SGD

$41,775 USD

View

Price last confirmed 38 days ago

Retailer 17

$55,683 SGD

€41,483 EUR

View

Retailer 18

$56,039 SGD

$43,835 USD

View

Retailer 19

$65,293 SGD

ZAR 825,109 ZAR

View

Most Expensive

MOH London

36294D9D8 · Oct 29

$74,536 SGD

£45,909 GBP

View

19 more retailers have this diamond

Prices start from $43,219 SGDSave up to $31,318 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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B+

2.50ct Round

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