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Marquise|Lab Grown|IGI

1.44ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG817651410

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817651410

Diamond specifications and retailer prices

From $424 USD
As of November 3, 2026
Save $2,141 USD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,565 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.44ct lab-grown marquise diamond

This 1.44ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817651410 or 817651410. Listed at 26 retailers as of October 27, 2026, with prices from $424 to $2,565, a $2,141 spread on the same certified stone. Queensmith lists it at $2,565. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.44
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817651410
Dimensions11.81 × 5.92 × 3.68 mm
L/W Ratio1.99
Girdle conditionFaceted
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
11.81 mm5.92 mm1.44 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817651410
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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 3
Current: $1,551 USD|Low: $414 USD|High: $2,530 USD|Avg: $1,081 USD|+1.7%
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
November 3, 2026
Retailer 10$424 USD
Retailer 9$462 USD
Retailer 7$620 USD
Retailer 4$711 USD
Retailer 2$727 USD
Retailer 6$746 USD
Retailer 3$748 USD
Retailer 14$808 USD
Retailer 11$847 USD
Retailer 8$1,115 USD
Retailer 13$1,117 USD
Retailer 17$1,142 USD
Retailer 1$1,551 USD
Retailer 15$1,730 USD
Retailer 12$1,839 USD
Retailer 5$2,060 USD
Retailer 16$2,490 USD

36 data points across 17 retailers

26 retailers$424 USD to $2,565 USD

Retailer 1
-
$358 USD
Price last confirmed 32 days ago
Retailer 2
-
$371 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$424 USD
View
Final sale: no returns
Retailer 4
-
$432 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$456 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$460 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$460 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$620 USD
View
A
Retailer 9
-
$711 USD
View
A
Retailer 10
-
$727 USD
A$1,118 AUD
View
A
Retailer 11
-
$746 USD
View
A
Retailer 12
-
$748 USD
€712 EUR
View
A
Retailer 13
-
$808 USD
ZAR 13,053 ZAR
View
A
Retailer 14
-
$847 USD
£667 GBP
View
A
Retailer 15
-
$1,115 USD
View
B+
Retailer 16
-
$1,117 USD
View
Retailer 17
-
$1,132 USD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$1,142 USD
A$1,757 AUD
View
Retailer 19
-
$1,486 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$1,551 USD
View
B+
Retailer 21
-
$1,730 USD
A$2,662 AUD
View
B+
Retailer 22
-
$1,839 USD
£1,448 GBP
View
Retailer 23
-
$2,012 USD
View
Price last confirmed 68 days ago
B+
Retailer 24
-
$2,060 USD
View
B
Retailer 25
-
$2,490 USD
View
Most Expensive
B
Queensmith
LG817651410 · Oct 27
$2,565 USD
£2,020 GBP
View
25 more retailers have this diamond
Prices start from $424 USDSave up to $2,141 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
1.44ct Marquise
$424 USD