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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 $450 NZD
As of November 5, 2026
Save $2,538 NZD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,989 NZD at Brilliant Earth · As of November 5, 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 24 retailers as of November 5, 2026, with prices from $450 to $2,989, a $2,538 spread on the same certified stone. Brilliant Earth lists it at $2,989. 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
Colour
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

How it works →
A
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: Nov 5
Current: $2,989 NZD|Low: $450 NZD|High: $3,309 NZD|Avg: $1,233 NZD|-9.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 19$450 NZD
Retailer 4$503 NZD
Retailer 11$521 NZD
Retailer 9$557 NZD
Retailer 5$751 NZD
Retailer 6$845 NZD
Retailer 2$893 NZD
Retailer 17$961 NZD
Retailer 16$1,002 NZD
Retailer 3$1,007 NZD
Retailer 12$1,048 NZD
Retailer 7$1,208 NZD
Retailer 15$1,711 NZD
Retailer 8$1,791 NZD
Retailer 10$1,882 NZD
Retailer 18$1,953 NZD
Retailer 14$1,975 NZD
Retailer 13$2,227 NZD
Brilliant Earth$2,989 NZD

31 data points across 19 retailers

24 retailers$450 NZD to $2,989 NZD

A
Cheapest Retailer
-
$450 NZD
A
Retailer 2
-
$503 NZD
View
Final sale: no returns
A
Retailer 3
-
$521 NZD
View
A
Retailer 4
-
$557 NZD
View
Retailer 5
-
$569 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$751 NZD
View
A
Retailer 7
-
$845 NZD
View
A
Retailer 8
-
$893 NZD
View
A
Retailer 9
-
$961 NZD
View
A
Retailer 10
-
$1,002 NZD
View
A
Retailer 11
-
$1,007 NZD
View
A
Retailer 12
-
$1,048 NZD
View
B+
Retailer 13
-
$1,208 NZD
View
Retailer 14
-
$1,222 NZD
View
Price last confirmed 164 days ago
B+
Retailer 15
-
$1,423 NZD
View
B+
Retailer 16
-
$1,711 NZD
View
B
Retailer 17
-
$1,791 NZD
View
B
Retailer 18
-
$1,882 NZD
View
B
Retailer 19
-
$1,953 NZD
View
B
Retailer 20
-
$1,975 NZD
View
Retailer 21
-
$2,195 NZD
View
Price last confirmed 82 days ago
B
Retailer 22
-
$2,227 NZD
View
B
Retailer 23
-
$2,828 NZD
View
Most Expensive
B
Brilliant Earth
12499008A · Nov 5
$2,989 NZD
$1,680 USD
View
23 more retailers have this diamond
Prices start from $450 NZDSave up to $2,538 NZD

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
$450 NZD