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Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG773614877

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG773614877

Diamond specifications and retailer prices

From $350 AUD
As of November 4, 2026
Save $3,007 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,357 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 LG773614877 or 773614877. Listed at 22 retailers as of November 4, 2026, with prices from $350 to $3,357, a $3,007 spread on the same certified stone. Do Amore Diamonds lists it at $3,357. 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 angle35.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773614877
Dimensions11.03 × 5.63 × 3.53 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
11.03 mm5.63 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773614877
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: $3,357 AUD|Low: $350 AUD|High: $3,386 AUD|Avg: $1,189 AUD|-0.8%
Do Amore Diamonds
Retailer 2
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Retailer 21
November 6, 2026
Retailer 10$350 AUD
Retailer 6$390 AUD
Retailer 3$406 AUD
Retailer 19$434 AUD
Retailer 21$434 AUD
Retailer 11$640 AUD
Retailer 7$730 AUD
Retailer 5$776 AUD
Retailer 16$824 AUD
Retailer 2$831 AUD
Retailer 20$907 AUD
Retailer 15$1,174 AUD
Retailer 18$1,399 AUD
Retailer 17$1,538 AUD
Retailer 4$1,777 AUD
Retailer 9$1,827 AUD
Retailer 12$1,871 AUD
Retailer 8$1,906 AUD
Retailer 13$1,911 AUD
Retailer 14$2,078 AUD
Do Amore Diamonds$3,357 AUD

42 data points across 21 retailers

22 retailers$350 AUD to $3,357 AUD

A
Cheapest Retailer
-
$350 AUD
A
Retailer 2
-
$390 AUD
View
Final sale: no returns
A
Retailer 3
-
$406 AUD
View
A
Retailer 4
-
$434 AUD
View
Retailer 5
-
$434 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$640 AUD
View
A
Retailer 7
-
$730 AUD
View
A
Retailer 8
-
$776 AUD
View
A
Retailer 9
-
$824 AUD
View
A
Retailer 10
-
$831 AUD
View
A
Retailer 11
-
$907 AUD
View
A
Retailer 12
-
$1,174 AUD
View
B+
Retailer 13
-
$1,399 AUD
View
B+
Retailer 14
-
$1,538 AUD
View
B+
Retailer 15
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$1,777 AUD
View
B+
Retailer 16
-
$1,827 AUD
View
B+
Retailer 17
-
$1,871 AUD
View
B+
Retailer 18
-
$1,906 AUD
View
B+
Retailer 19
-
$1,911 AUD
View
Retailer 20
-
$2,078 AUD
View
Price last confirmed 33 days ago
Retailer 21
-
$2,178 AUD
View
Price last confirmed 37 days ago
Most Expensive
B
Do Amore Diamonds
27-A4DC3591E · Nov 6
$3,357 AUD
$2,350 USD
View
21 more retailers have this diamond
Prices start from $350 AUDSave up to $3,007 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
$350 AUD