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Marquise|Lab Grown|IGI

1.54ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754595657

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595657

Diamond specifications and retailer prices

From $778 USD
As of October 30, 2026
Save $2,824 USD (78%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $3,602 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754595657 or 754595657. Listed at 31 retailers as of October 30, 2026, with prices from $778 to $3,602, a $2,824 spread on the same certified stone. With Clarity lists it at $3,602. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595657
Dimensions6.00 × 6.00 × 3.80 mm
L/W Ratio1.00
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
6.00 mm6.00 mm1.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595657
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.3%

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: Oct 30
Current: $2,660 USD|Low: $622 USD|High: $3,530 USD|Avg: $1,813 USD|-16.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
October 30, 2026
Retailer 4$622 USD
Retailer 15$778 USD
Retailer 14$850 USD
Retailer 17$883 USD
Retailer 9$979 USD
Retailer 6$1,090 USD
Retailer 10$1,163 USD
Retailer 12$1,183 USD
Retailer 11$1,208 USD
Retailer 13$1,325 USD
Retailer 18$1,794 USD
Retailer 3$1,913 USD
Retailer 2$2,400 USD
Retailer 7$2,460 USD
Retailer 5$2,503 USD
Retailer 8$2,565 USD
Retailer 1$2,660 USD
Retailer 16$3,042 USD
With Clarity$3,530 USD

40 data points across 19 retailers

31 retailers$778 USD to $3,602 USD

Retailer 1
-
$622 USD
Price last confirmed 22 days ago
Retailer 2
-
$622 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$696 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$761 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$771 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$771 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$778 USD
View
Final sale: no returns
A
Retailer 8
-
$850 USD
View
A
Retailer 9
-
$883 USD
HK$6,900 HKD
View
A
Retailer 10
-
$979 USD
View
A
Retailer 11
-
$1,090 USD
View
A
Retailer 12
-
$1,163 USD
View
A
Retailer 13
-
$1,183 USD
€1,127 EUR
View
A
Retailer 14
-
$1,208 USD
£951 GBP
View
A
Retailer 15
-
$1,325 USD
ZAR 21,405 ZAR
View
Retailer 16
-
$1,794 USD
A$2,760 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,830 USD
View
B+
Retailer 18
-
$1,913 USD
View
B+
Retailer 19
-
$2,028 USD
View
Retailer 20
-
$2,028 USD
View
Price last confirmed 29 days ago
Retailer 21
-
$2,028 USD
View
Price last confirmed 20 days ago
Retailer 22
-
$2,240 USD
£1,764 GBP
View
Price last confirmed 28 days ago
B+
Retailer 23
-
$2,400 USD
View
B+
Retailer 24
-
$2,460 USD
View
B+
Retailer 25
-
$2,490 USD
View
Retailer 26
-
$2,503 USD
A$3,850 AUD
View
Price last confirmed 22 days ago
B+
Retailer 27
-
$2,539 USD
View
B+
Retailer 28
-
$2,565 USD
SGD 3,466 SGD
View
B+
Retailer 29
-
$2,660 USD
View
B
Retailer 30
-
$3,042 USD
£2,395 GBP
View
Most Expensive
B
With Clarity
754595657 · Oct 30
$3,602 USD
View
30 more retailers have this diamond
Prices start from $778 USDSave up to $2,824 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
$778 USD