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Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG648499160

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG648499160

Diamond specifications and retailer prices

From $754 USD
As of October 30, 2026
Save $2,512 USD (77%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $3,266 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct 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 LG648499160 or 648499160. Listed at 31 retailers as of October 29, 2026, with prices from $754 to $3,266, a $2,512 spread on the same certified stone. MOH London lists it at $3,266. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648499160
Dimensions11.70 × 6.01 × 3.81 mm
L/W Ratio1.95
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 mm6.01 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648499160
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

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: $3,266 USD|Low: $603 USD|High: $3,292 USD|Avg: $1,733 USD|+5.6%
MOH London
Retailer 2
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Retailer 24
October 31, 2026
Retailer 11$603 USD
Retailer 10$748 USD
Retailer 22$754 USD
Retailer 23$780 USD
Retailer 4$858 USD
Retailer 5$959 USD
Retailer 17$1,058 USD
Retailer 20$1,149 USD
Retailer 2$1,161 USD
Retailer 9$1,169 USD
Retailer 21$1,286 USD
Retailer 18$1,743 USD
Retailer 12$1,773 USD
Retailer 3$1,857 USD
Retailer 16$2,179 USD
Retailer 8$2,389 USD
Retailer 24$2,395 USD
Retailer 7$2,420 USD
Retailer 13$2,474 USD
Retailer 6$2,481 USD
Retailer 14$2,489 USD
Retailer 19$2,530 USD
Retailer 15$2,619 USD
MOH London$3,266 USD

34 data points across 24 retailers

31 retailers$754 USD to $3,266 USD

Retailer 1
-
$603 USD
Price last confirmed 23 days ago
Retailer 2
-
$626 USD
View
Price last confirmed 31 days ago
Retailer 3
-
$681 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$748 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$748 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$754 USD
View
Final sale: no returns
Retailer 7
-
$766 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$780 USD
View
A
Retailer 9
-
$858 USD
HK$6,700 HKD
View
A
Retailer 10
-
$959 USD
View
A
Retailer 11
-
$1,058 USD
View
A
Retailer 12
-
$1,149 USD
€1,094 EUR
View
A
Retailer 13
-
$1,161 USD
£914 GBP
View
A
Retailer 14
-
$1,169 USD
View
A
Retailer 15
-
$1,286 USD
ZAR 20,776 ZAR
View
B+
Retailer 16
-
$1,743 USD
A$2,682 AUD
View
B+
Retailer 17
-
$1,773 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$1,857 USD
View
Retailer 19
-
$1,968 USD
View
Price last confirmed 20 days ago
B+
Retailer 20
-
$1,968 USD
View
Retailer 21
-
$2,040 USD
View
Price last confirmed 30 days ago
Retailer 22
-
$2,179 USD
£1,716 GBP
View
Price last confirmed 23 days ago
B+
Retailer 23
-
$2,389 USD
View
B+
Retailer 24
-
$2,395 USD
View
B+
Retailer 25
-
$2,420 USD
View
Retailer 26
-
$2,474 USD
A$3,806 AUD
View
B+
Retailer 27
-
$2,481 USD
View
B+
Retailer 28
-
$2,489 USD
SGD 3,364 SGD
View
B+
Retailer 29
-
$2,530 USD
View
B
Retailer 30
-
$2,619 USD
View
Most Expensive
B
MOH London
LG648499160 · Oct 29
$3,266 USD
£2,572 GBP
View
30 more retailers have this diamond
Prices start from $754 USDSave up to $2,512 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
1.55ct Marquise
$754 USD