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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 $253 USD
As of November 1, 2026
Save $1,607 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,860 USD 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 $253 to $1,860, a $1,607 spread on the same certified stone. Brilliant Earth lists it at $1,860. 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: Nov 1
Current: $1,590 USD|Low: $248 USD|High: $1,860 USD|Avg: $748 USD|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
November 2, 2026
Retailer 18$253 USD
Retailer 3$283 USD
Retailer 10$293 USD
Retailer 8$313 USD
Retailer 4$422 USD
Retailer 5$475 USD
Retailer 14$506 USD
Retailer 12$541 USD
Retailer 19$566 USD
Retailer 15$574 USD
Retailer 2$595 USD
Retailer 6$679 USD
Retailer 16$794 USD
Retailer 7$1,007 USD
Retailer 9$1,059 USD
Retailer 17$1,098 USD
Retailer 11$1,180 USD
Retailer 13$1,256 USD
Brilliant Earth$1,590 USD

33 data points across 19 retailers

23 retailers$253 USD to $1,860 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
A
Retailer 4
-
$313 USD
View
Retailer 5
-
$320 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$422 USD
View
A
Retailer 7
-
$475 USD
View
A
Retailer 8
-
$506 USD
£398 GBP
View
A
Retailer 9
-
$541 USD
ZAR 8,739 ZAR
View
A
Retailer 10
-
$566 USD
View
A
Retailer 11
-
$574 USD
€547 EUR
View
A
Retailer 12
-
$595 USD
£469 GBP
View
B+
Retailer 13
-
$679 USD
View
Retailer 14
-
$688 USD
A$1,058 AUD
View
Price last confirmed 159 days ago
B+
Retailer 15
-
$794 USD
View
B
Retailer 16
-
$1,007 USD
View
B
Retailer 17
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$1,059 USD
View
B
Retailer 18
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$1,098 USD
View
B
Retailer 19
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$1,180 USD
View
Retailer 20
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$1,234 USD
View
Price last confirmed 77 days ago
B
Retailer 21
-
$1,256 USD
£989 GBP
View
B
Retailer 22
-
$1,590 USD
View
Most Expensive
B
Brilliant Earth
11259318A · Oct 27
$1,860 USD
View
22 more retailers have this diamond
Prices start from $253 USDSave up to $1,607 USD

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
$253 USD