Heart|Natural|GIA

0.51ct J IF Heart Natural Diamond

EX • J/IF • GIA 6541408110

Certificate GIA 6541408110

Diamond specifications and retailer prices

From £455 GBP

SGD 826 SGD

As of October 31, 2026

10 retailers carry this diamond

Most expensive: £1,223 GBP at NZ Jewellers · As of September 25, 2026

View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541408110. Listed at 10 retailers as of October 31, 2026. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51

Carat

Colour

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

Pavilion angle43.4°

OriginNatural

Grading LabGIA

CertificateGIA 6541408110

Dimensions5.10 × 5.43 × 3.36 mm

L/W Ratio1.06

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 6541408110

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: £455 GBP|Low: £253 GBP|High: £920 GBP|Avg: £496 GBP|-0.4%

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

October 13, 2026

Retailer 5£315 GBP

Retailer 13£347 GBP

Retailer 3£358 GBP

Retailer 16£385 GBP

Retailer 14£399 GBP

Retailer 11£405 GBP

Retailer 7£434 GBP

Retailer 1£455 GBP

Retailer 12£525 GBP

Retailer 9£532 GBP

Retailer 10£538 GBP

Retailer 8£546 GBP

Retailer 4£557 GBP

Retailer 6£574 GBP

Retailer 15£581 GBP

Retailer 2£880 GBP

22 data points across 16 retailers

10 retailers

Retailer 1

£315 GBP

HK$3,300 HKD

Price last confirmed 19 days ago

Retailer 2

£358 GBP

$480 USD

View

Price last confirmed 21 days ago

Retailer 3

£385 GBP

SGD 698 SGD

View

Price last confirmed 22 days ago

Retailer 4

£405 GBP

View

Price last confirmed 21 days ago

B+

Retailer 5

£455 GBP

SGD 826 SGD

View

Retailer 6

£557 GBP

$747 USD

View

Price last confirmed 24 days ago

Retailer 7

£574 GBP

A$1,186 AUD

View

Price last confirmed 30 days ago

Retailer 8

£581 GBP

ZAR 12,589 ZAR

View

Price last confirmed 22 days ago

Retailer 9

£880 GBP

View

Price last confirmed 23 days ago

Most Expensive

NZ Jewellers

3817e7d6-d83c-4bcf-89d2-2577676c05b6 · Sep 25

£1,223 GBP

$1,641 USD

View

Price last confirmed 38 days ago

9 more retailers have this diamond

Prices start from £455 GBP

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+

0.51ct Heart

£455 GBP