Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565300031

Certificate GIA 6565300031

Diamond specifications and retailer prices

From $969 SGD

$758 USD

As of October 31, 2026

10 retailers carry this diamond

Most expensive: $2,534 SGD at NZ Jewellers · As of October 23, 2026

View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565300031. Listed at 10 retailers as of October 31, 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

OriginNatural

Grading LabGIA

CertificateGIA 6565300031

Dimensions6.44 × 4.34 × 2.77 mm

L/W Ratio1.48

Girdle conditionVery Thick

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 6565300031

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 31

Current: $2,534 SGD|Low: $516 SGD|High: $2,559 SGD|Avg: $1,161 SGD|-1.0%

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 24, 2026

Retailer 12$568 SGD

Retailer 6$606 SGD

Retailer 10$914 SGD

Retailer 5$942 SGD

Retailer 4$969 SGD

Retailer 11$976 SGD

Retailer 2$993 SGD

Retailer 8$1,180 SGD

Retailer 3$1,227 SGD

Retailer 7$1,233 SGD

Retailer 9$1,875 SGD

NZ Jewellers$2,534 SGD

26 data points across 12 retailers

10 retailers

Retailer 1

$606 SGD

₹45,143 INR

Price last confirmed 9 days ago

Retailer 2

$914 SGD

$715 USD

View

Price last confirmed 9 days ago

Retailer 3

$942 SGD

£580 GBP

View

Price last confirmed 9 days ago

B+

Retailer 4

$969 SGD

$758 USD

View

Retailer 5

$976 SGD

$764 USD

View

Price last confirmed 15 days ago

Retailer 6

$993 SGD

£611 GBP

View

Price last confirmed 9 days ago

Retailer 7

$1,227 SGD

A$1,477 AUD

View

Price last confirmed 29 days ago

Retailer 8

$1,233 SGD

ZAR 15,579 ZAR

View

Price last confirmed 11 days ago

Retailer 9

$1,875 SGD

£1,155 GBP

View

Price last confirmed 12 days ago

Most Expensive

NZ Jewellers

b89befe1-dab5-4dbc-97ee-e8bfcf4c71b3 · Oct 23

$2,534 SGD

$1,982 USD

View

Price last confirmed 9 days ago

9 more retailers have this diamond

Prices start from $969 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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