Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545368

Diamond specifications and retailer prices

From $713 AUD
As of November 4, 2026
Save $6,106 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,819 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545368 or 762545368. Listed at 15 retailers as of November 4, 2026, with prices from $713 to $6,819, a $6,106 spread on the same certified stone. Diamond Quarter lists it at $6,819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545368
Dimensions11.05 × 5.65 × 3.57 mm
L/W Ratio1.96
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
11.05 mm5.65 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545368
Side View
Table 55.0%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.2%

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 4
Current: $1,211 AUD|Low: $713 AUD|High: $3,228 AUD|Avg: $1,893 AUD|-4.9%
Retailer 1
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
November 5, 2026
Retailer 9$713 AUD
Retailer 10$874 AUD
Retailer 7$1,101 AUD
Retailer 6$1,131 AUD
Retailer 1$1,211 AUD
Retailer 4$1,246 AUD
Retailer 14$1,393 AUD
Retailer 12$1,414 AUD
Retailer 13$2,048 AUD
Retailer 5$2,193 AUD
Retailer 11$2,371 AUD
Retailer 8$2,410 AUD
Retailer 3$2,643 AUD
Retailer 2$2,656 AUD

44 data points across 14 retailers

15 retailers$713 AUD to $6,819 AUD

A
Cheapest Retailer
-
$713 AUD
A
Retailer 2
-
$874 AUD
View
A
Retailer 3
-
$1,101 AUD
View
A
Retailer 4
-
$1,131 AUD
View
A
Retailer 5
-
$1,211 AUD
View
Retailer 6
-
$1,246 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,393 AUD
View
A
Retailer 8
-
$1,414 AUD
View
B+
Retailer 9
-
$2,048 AUD
View
Retailer 10
-
$2,193 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,371 AUD
View
B+
Retailer 12
-
$2,410 AUD
View
B
Retailer 13
-
$2,643 AUD
View
B
Retailer 14
-
$2,656 AUD
View
Most Expensive
B
Diamond Quarter
1.25IFDLG8215D8N · Nov 5
$6,819 AUD
£3,758 GBP
View
14 more retailers have this diamond
Prices start from $713 AUDSave up to $6,106 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 Marquise
$713 AUD