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Round|Lab Grown|IGI

1.25ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG624403540

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624403540

Diamond specifications and retailer prices

From €226 EUR
$253 USD
As of October 29, 2026
Save €1,438 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,665 EUR at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG624403540 or 624403540. Listed at 23 retailers as of October 27, 2026, with prices from €226 to €1,665, a €1,438 spread on the same certified stone. Brilliant Earth lists it at €1,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624403540
Dimensions6.89 × 6.85 × 4.27 mm
L/W Ratio1.01
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
6.89 mm6.85 mm1.25 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624403540
Side View
Table 58.0%Crown 34.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.2%

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: Oct 29
Current: €1,423 EUR|Low: €222 EUR|High: €1,665 EUR|Avg: €648 EUR|-14.5%
Brilliant Earth
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
October 30, 2026
Retailer 15€226 EUR
Retailer 18€253 EUR
Retailer 9€262 EUR
Retailer 7€280 EUR
Retailer 19€378 EUR
Retailer 4€425 EUR
Retailer 12€454 EUR
Retailer 3€482 EUR
Retailer 17€507 EUR
Retailer 16€516 EUR
Retailer 13€533 EUR
Retailer 5€608 EUR
Retailer 2€711 EUR
Retailer 6€901 EUR
Retailer 8€948 EUR
Retailer 14€983 EUR
Retailer 11€1,056 EUR
Retailer 10€1,150 EUR
Brilliant Earth€1,423 EUR

33 data points across 19 retailers

23 retailers€226 EUR to €1,665 EUR

A
Cheapest Retailer
-
€226 EUR
$253 USD
A
Retailer 2
-
€253 EUR
$283 USD
View
Final sale: no returns
A
Retailer 3
-
€262 EUR
$293 USD
View
A
Retailer 4
-
€280 EUR
$313 USD
View
A
Retailer 5
-
€286 EUR
$320 USD
View
A
Retailer 6
-
€378 EUR
$422 USD
View
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€454 EUR
£399 GBP
View
A
Retailer 9
-
€482 EUR
ZAR 8,696 ZAR
View
A
Retailer 10
-
€507 EUR
$566 USD
View
A
Retailer 11
-
€516 EUR
View
A
Retailer 12
-
€533 EUR
£469 GBP
View
B+
Retailer 13
-
€608 EUR
$679 USD
View
Retailer 14
-
€616 EUR
A$1,058 AUD
View
Price last confirmed 159 days ago
B+
Retailer 15
-
€711 EUR
$794 USD
View
B
Retailer 16
-
€901 EUR
$1,007 USD
View
B
Retailer 17
-
€948 EUR
$1,059 USD
View
B
Retailer 18
-
€983 EUR
$1,098 USD
View
Retailer 19
-
€1,056 EUR
$1,180 USD
View
Price last confirmed 15 days ago
Retailer 20
-
€1,105 EUR
$1,234 USD
View
Price last confirmed 77 days ago
B
Retailer 21
-
€1,150 EUR
£1,012 GBP
View
B
Retailer 22
-
€1,423 EUR
$1,590 USD
View
Most Expensive
B
Brilliant Earth
11259318A · Oct 27
€1,665 EUR
$1,860 USD
View
22 more retailers have this diamond
Prices start from €226 EURSave up to €1,438 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
1.25ct Round
€226 EUR