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Heart|Lab Grown|IGI

1.23ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG830603675

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830603675

Diamond specifications and retailer prices

From €213 EUR
$239 USD
As of November 1, 2026
Save €812 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,025 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG830603675 or 830603675. Listed at 14 retailers as of November 1, 2026, with prices from €213 to €1,025, a €812 spread on the same certified stone. Reve Diamonds lists it at €1,025. 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
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830603675
Dimensions7.42 × 6.49 × 4.22 mm
L/W Ratio1.14
Girdle conditionFaceted
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
7.42 mm6.49 mm1.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830603675
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 56.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €355 EUR|Low: €198 EUR|High: €1,025 EUR|Avg: €519 EUR|+7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 4€198 EUR
Retailer 8€213 EUR
Retailer 1€355 EUR
Retailer 9€362 EUR
Retailer 6€373 EUR
Retailer 3€399 EUR
Retailer 12€491 EUR
Retailer 7€531 EUR
Retailer 11€599 EUR
Retailer 2€704 EUR
Retailer 10€710 EUR
Retailer 5€962 EUR
Reve Diamonds€1,025 EUR

39 data points across 13 retailers

14 retailers€213 EUR to €1,025 EUR

Retailer 1
-
€185 EUR
$208 USD
Price last confirmed 35 days ago
Retailer 2
-
€195 EUR
$219 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
€213 EUR
$239 USD
View
Final sale: no returns
A
Retailer 4
-
€355 EUR
ZAR 6,441 ZAR
View
A
Retailer 5
-
€362 EUR
$406 USD
View
A
Retailer 6
-
€373 EUR
£329 GBP
View
B+
Retailer 7
-
€399 EUR
$447 USD
View
B+
Retailer 8
-
€491 EUR
A$848 AUD
View
B+
Retailer 9
-
€531 EUR
$596 USD
View
B+
Retailer 10
-
€599 EUR
A$1,034 AUD
View
B
Retailer 11
-
€704 EUR
$790 USD
View
B
Retailer 12
-
€710 EUR
$796 USD
View
B
Retailer 13
-
€962 EUR
£850 GBP
View
Most Expensive
B
Reve Diamonds
7C60608DB · Nov 1
€1,025 EUR
$1,150 USD
View
13 more retailers have this diamond
Prices start from €213 EURSave up to €812 EUR

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.

A
1.23ct Heart
€213 EUR