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Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG677520629

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG677520629

Diamond specifications and retailer prices

From $820 AUD
As of November 4, 2026
Save $6,450 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,270 AUD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677520629 or 677520629. Listed at 19 retailers as of November 3, 2026, with prices from $820 to $7,270, a $6,450 spread on the same certified stone. Do Amore Diamonds lists it at $7,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677520629
Dimensions11.70 × 6.11 × 3.75 mm
L/W Ratio1.91
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
11.70 mm6.11 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677520629
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: $7,270 AUD|Low: $803 AUD|High: $8,182 AUD|Avg: $2,638 AUD|-11.1%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 19
November 4, 2026
Retailer 17$820 AUD
Retailer 6$918 AUD
Retailer 11$1,046 AUD
Retailer 13$1,176 AUD
Retailer 2$1,183 AUD
Retailer 19$1,193 AUD
Retailer 10$1,284 AUD
Retailer 18$1,564 AUD
Retailer 16$1,745 AUD
Retailer 7$1,906 AUD
Retailer 3$2,520 AUD
Retailer 14$2,612 AUD
Retailer 5$2,850 AUD
Retailer 4$2,949 AUD
Retailer 8$3,785 AUD
Retailer 15$3,920 AUD
Retailer 12$4,419 AUD
Retailer 9$5,013 AUD
Do Amore Diamonds$7,270 AUD

38 data points across 19 retailers

19 retailers$820 AUD to $7,270 AUD

A+
Cheapest Retailer
-
$820 AUD
A
Retailer 2
-
$918 AUD
View
A
Retailer 3
-
$1,046 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,176 AUD
View
A
Retailer 5
-
$1,183 AUD
View
A
Retailer 6
-
$1,193 AUD
View
A
Retailer 7
-
$1,284 AUD
View
A
Retailer 8
-
$1,564 AUD
View
A
Retailer 9
-
$1,745 AUD
View
A
Retailer 10
-
$1,906 AUD
View
B+
Retailer 11
-
$2,520 AUD
View
B+
Retailer 12
-
$2,612 AUD
View
B+
Retailer 13
-
$2,850 AUD
View
B+
Retailer 14
-
$2,949 AUD
View
Retailer 15
-
$3,785 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$3,920 AUD
View
B+
Retailer 17
-
$4,419 AUD
View
Retailer 18
-
$5,013 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
Do Amore Diamonds
27-873573FCA · Nov 3
$7,270 AUD
$5,100 USD
View
18 more retailers have this diamond
Prices start from $820 AUDSave up to $6,450 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+
1.54ct Marquise
$820 AUD