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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 $575 USD
As of November 4, 2026
Save $4,525 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,100 USD 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 $575 to $5,100, a $4,525 spread on the same certified stone. Do Amore Diamonds lists it at $5,100. 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
Color
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: $5,100 USD|Low: $563 USD|High: $5,740 USD|Avg: $1,851 USD|-11.1%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 4, 2026
Retailer 17$575 USD
Retailer 6$644 USD
Retailer 11$734 USD
Retailer 13$825 USD
Retailer 2$830 USD
Retailer 19$837 USD
Retailer 10$901 USD
Retailer 18$1,097 USD
Retailer 16$1,224 USD
Retailer 7$1,337 USD
Retailer 3$1,768 USD
Retailer 14$1,832 USD
Retailer 5$1,999 USD
Retailer 4$2,069 USD
Retailer 8$2,655 USD
Retailer 15$2,750 USD
Retailer 12$3,100 USD
Retailer 9$3,517 USD
Do Amore Diamonds$5,100 USD

38 data points across 19 retailers

19 retailers$575 USD to $5,100 USD

A+
Cheapest Retailer
-
$575 USD
A
Retailer 2
-
$644 USD
View
A
Retailer 3
-
$734 USD
View
Final sale: no returns
A
Retailer 4
-
$825 USD
View
A
Retailer 5
-
$830 USD
View
A
Retailer 6
-
$837 USD
View
A
Retailer 7
-
$901 USD
View
A
Retailer 8
-
$1,097 USD
View
A
Retailer 9
-
$1,224 USD
View
A
Retailer 10
-
$1,337 USD
View
B+
Retailer 11
-
$1,768 USD
View
B+
Retailer 12
-
$1,832 USD
View
B+
Retailer 13
-
$1,999 USD
View
B+
Retailer 14
-
$2,069 USD
View
Retailer 15
-
$2,655 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$2,750 USD
View
B+
Retailer 17
-
$3,100 USD
View
Retailer 18
-
$3,517 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Do Amore Diamonds
27-873573FCA · Nov 3
$5,100 USD
View
18 more retailers have this diamond
Prices start from $575 USDSave up to $4,525 USD

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
$575 USD