CaratHunter
Plans
Heart|Lab Grown|IGI

1.23ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG592324985

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG592324985

Diamond specifications and retailer prices

From €582 EUR
£514 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €582 EUR at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592324985 or 592324985. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592324985
Dimensions6.74 × 7.39 × 4.43 mm
L/W Ratio1.10
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
Top View
6.74 mm7.39 mm1.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG592324985
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 42.5°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B
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 31
Current: €785 EUR|Low: €177 EUR|High: €1,556 EUR|Avg: €597 EUR|+6.0%
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
June 22, 2026
Retailer 2€205 EUR
Retailer 16€295 EUR
Retailer 10€302 EUR
Retailer 9€317 EUR
Retailer 3€415 EUR
Retailer 12€454 EUR
Retailer 5€513 EUR
Retailer 14€514 EUR
Retailer 4€541 EUR
Retailer 11€549 EUR
Retailer 15€591 EUR
Retailer 8€604 EUR
Retailer 13€624 EUR
Retailer 6€780 EUR
Retailer 1€785 EUR
Retailer 7€1,507 EUR

50 data points across 16 retailers

1 retailer

B
Diamond Quarter
1.23VS1FLG85BB30N · Oct 31
€582 EUR
£514 GBP
View

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.

B
1.23ct Heart
€582 EUR