Round|Natural|GIA

0.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7546006172

Certificate GIA 7546006172

Diamond specifications and retailer prices

From $760 SGD

As of October 27, 2026

17 retailers carry this diamond

Most expensive: $1,451 SGD at MOH London · As of October 21, 2026

View at MOH London

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7546006172. Listed at 17 retailers as of October 27, 2026. 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

0.51

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 7546006172

Dimensions5.10 × 5.06 × 3.20 mm

L/W Ratio1.01

Key to symbols

Crystal, Cloud

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 7546006172

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

Unlock full score analysis

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

Price History

Last verified: Oct 27

Current: $1,451 SGD|Low: $466 SGD|High: $1,499 SGD|Avg: $775 SGD|-3.1%

MOH London

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

October 24, 2026

Retailer 14$466 SGD

Retailer 4$540 SGD

Retailer 8$565 SGD

Retailer 5$611 SGD

Retailer 11$660 SGD

Retailer 9$667 SGD

Retailer 13$722 SGD

Retailer 2$755 SGD

Retailer 6$799 SGD

Retailer 12$810 SGD

Retailer 10$851 SGD

Retailer 3$882 SGD

Retailer 15$954 SGD

Retailer 7$1,213 SGD

MOH London$1,451 SGD

22 data points across 15 retailers

17 retailers

Retailer 1

$466 SGD

₹34,689 INR

Price last confirmed 9 days ago

Retailer 2

$540 SGD

HK$3,300 HKD

View

Price last confirmed 7 days ago

Retailer 3

$611 SGD

$478 USD

View

Price last confirmed 9 days ago

Retailer 4

$660 SGD

View

Price last confirmed 8 days ago

Retailer 5

$667 SGD

$522 USD

View

Price last confirmed 8 days ago

Retailer 6

$722 SGD

£445 GBP

View

Price last confirmed 8 days ago

Retailer 7

$743 SGD

$581 USD

View

Price last confirmed 33 days ago

Retailer 8

$755 SGD

£465 GBP

View

Price last confirmed 8 days ago

Retailer 9

$760 SGD

View

Retailer 10

$799 SGD

$625 USD

View

Price last confirmed 13 days ago

Retailer 11

$810 SGD

£499 GBP

View

Price last confirmed 8 days ago

Retailer 12

$851 SGD

€634 EUR

View

Price last confirmed 8 days ago

Retailer 13

$882 SGD

$690 USD

View

Price last confirmed 9 days ago

Retailer 14

$954 SGD

ZAR 12,057 ZAR

View

Price last confirmed 11 days ago

Retailer 15

$1,016 SGD

A$1,223 AUD

View

Price last confirmed 31 days ago

Retailer 16

$1,213 SGD

$949 USD

View

Price last confirmed 18 days ago

Most Expensive

MOH London

CAD833059 · Oct 21

$1,451 SGD

£894 GBP

View

Price last confirmed 11 days ago

16 more retailers have this diamond

Prices start from $760 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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0.51ct Round

$760 SGD