Heart|Lab Grown|IGI

4.25ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG485150711

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG485150711

Diamond specifications and retailer prices

From HK$21,795 HKD

$2,778 USD

As of October 30, 2026

Save HK$128,136 HKD (85%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: HK$149,931 HKD at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.25ct lab-grown heart diamond

This 4.25ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG485150711 or 485150711. Listed at 30 retailers as of October 30, 2026, with prices from HK$21,795 to HK$149,931, a HK$128,136 spread on the same certified stone. Do Amore Diamonds lists it at HK$149,931. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.25

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG485150711

Dimensions11.28 × 9.58 × 6.80 mm

L/W Ratio1.18

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG485150711

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 30

Current: HK$149,931 HKD|Low: HK$21,795 HKD|High: HK$433,973 HKD|Avg: HK$104,920 HKD

Do Amore Diamonds

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

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

October 31, 2026

Retailer 3HK$21,795 HKD

Retailer 17HK$24,408 HKD

Retailer 8HK$25,679 HKD

Retailer 10HK$26,518 HKD

Retailer 9HK$34,747 HKD

Retailer 20HK$36,318 HKD

Retailer 2HK$36,680 HKD

Retailer 5HK$37,142 HKD

Retailer 4HK$42,069 HKD

Retailer 16HK$59,377 HKD

Retailer 19HK$59,896 HKD

Retailer 7HK$63,519 HKD

Retailer 6HK$69,599 HKD

Retailer 18HK$71,103 HKD

Retailer 11HK$73,357 HKD

Retailer 13HK$81,909 HKD

Retailer 12HK$97,220 HKD

Retailer 21HK$100,528 HKD

Retailer 22HK$123,862 HKD

Do Amore DiamondsHK$149,931 HKD

Retailer 15HK$193,247 HKD

Retailer 14HK$197,552 HKD

36 data points across 22 retailers

30 retailersHK$21,795 HKD to HK$149,931 HKD

Cheapest Retailer

HK$21,795 HKD

$2,778 USD

Retailer 2

HK$21,795 HKD

$2,778 USD

View

Price last confirmed 23 days ago

Retailer 3

HK$21,795 HKD

$2,778 USD

View

Price last confirmed 20 days ago

Retailer 4

HK$24,408 HKD

$3,111 USD

View

Final sale: no returns

Retailer 5

HK$25,279 HKD

$3,222 USD

View

Price last confirmed 21 days ago

Retailer 6

HK$25,279 HKD

$3,222 USD

View

Price last confirmed 28 days ago

Retailer 7

HK$25,679 HKD

$3,273 USD

View

Retailer 8

HK$26,518 HKD

$3,380 USD

View

Retailer 9

HK$34,747 HKD

View

Retailer 10

HK$34,866 HKD

$4,444 USD

View

Retailer 11

HK$34,866 HKD

$4,444 USD

View

Price last confirmed 21 days ago

Retailer 12

HK$36,318 HKD

$4,629 USD

View

Retailer 13

HK$36,680 HKD

£3,681 GBP

View

Retailer 14

HK$37,142 HKD

$4,734 USD

View

Retailer 15

HK$42,069 HKD

$5,362 USD

View

Retailer 16

HK$59,377 HKD

ZAR 122,263 ZAR

View

Retailer 17

HK$59,896 HKD

A$11,745 AUD

View

Price last confirmed 9 days ago

Retailer 18

HK$63,519 HKD

$8,096 USD

View

B+

Retailer 19

HK$69,599 HKD

$8,871 USD

View

B+

Retailer 20

HK$71,103 HKD

£7,136 GBP

View

B+

Retailer 21

HK$73,357 HKD

$9,350 USD

View

B+

Retailer 22

HK$81,909 HKD

$10,440 USD

View

Retailer 23

HK$90,641 HKD

$11,553 USD

View

Price last confirmed 31 days ago

Retailer 24

HK$94,266 HKD

$12,015 USD

View

Price last confirmed 33 days ago

B+

Retailer 25

HK$97,220 HKD

$12,391 USD

View

B+

Retailer 26

HK$100,528 HKD

SGD 17,315 SGD

View

Retailer 27

HK$103,697 HKD

$13,217 USD

View

Price last confirmed 34 days ago

Retailer 28

HK$108,773 HKD

$13,864 USD

View

Price last confirmed 31 days ago

Retailer 29

HK$123,862 HKD

A$24,288 AUD

View

Price last confirmed 23 days ago

Most Expensive

Do Amore Diamonds

27-9B26A82A7 · Oct 31

HK$149,931 HKD

$19,110 USD

View

29 more retailers have this diamond

Prices start from HK$21,795 HKDSave up to HK$128,136 HKD

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

4.25ct Heart

HK$21,795 HKD