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Heart|Lab Grown|IGI

1.25ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG690503222

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG690503222

Diamond specifications and retailer prices

From $370 AUD
As of November 4, 2026
Save $1,687 AUD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,057 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart 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 LG690503222 or 690503222. Listed at 8 retailers as of November 2, 2026, with prices from $370 to $2,057, a $1,687 spread on the same certified stone. Brilliant Earth lists it at $2,057. 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 angle34.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690503222
Dimensions7.59 × 6.36 × 4.32 mm
L/W Ratio1.19
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
7.59 mm6.36 mm1.25 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690503222
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 39.6°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 4
Current: $2,057 AUD|Low: $316 AUD|High: $3,171 AUD|Avg: $1,158 AUD|-35.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 9$370 AUD
Retailer 7$691 AUD
Retailer 10$700 AUD
Retailer 11$706 AUD
Retailer 6$754 AUD
Retailer 12$787 AUD
Retailer 8$996 AUD
Retailer 5$1,317 AUD
Retailer 4$1,410 AUD
Retailer 2$1,633 AUD
Retailer 3$1,900 AUD
Brilliant Earth$2,057 AUD

32 data points across 12 retailers

8 retailers$370 AUD to $2,057 AUD

A
Cheapest Retailer
-
$370 AUD
Final sale: no returns
A
Retailer 2
-
$691 AUD
View
A
Retailer 3
-
$754 AUD
View
Retailer 4
-
$996 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$1,119 AUD
View
A
Retailer 6
-
$1,317 AUD
View
B+
Retailer 7
-
$1,633 AUD
View
Most Expensive
B+
Brilliant Earth
15472559A · Nov 2
$2,057 AUD
$1,440 USD
View
7 more retailers have this diamond
Prices start from $370 AUDSave up to $1,687 AUD

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 Heart
$370 AUD