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Marquise|Lab Grown|IGI

1.56ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG633465518

Certificate IGI LG633465518

Diamond specifications and retailer prices

From $629 USD
Save $3,020 USD (83%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,649 USD at With Clarity
View at With Clarity

About this 1.56ct lab-grown marquise diamond

This 1.56ct 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 LG633465518 or 633465518. Listed at 27 retailers, with prices from $629 to $3,649 at With Clarity, a $3,020 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633465518
Dimensions11.94 × 6.13 × 3.86 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
11.94 mm6.13 mm1.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633465518
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $788 USD|Low: $502 USD|High: $3,974 USD|Avg: $1,842 USD|+41.7%
Retailer 1
Retailer 2
Retailer 3
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Retailer 22
With Clarity
October 1, 2026
Retailer 1$788 USD
Retailer 18$815 USD
Retailer 11$892 USD
Retailer 17$896 USD
Retailer 5$977 USD
Retailer 3$1,170 USD
Retailer 7$1,190 USD
Retailer 20$1,217 USD
Retailer 10$1,312 USD
Retailer 2$1,315 USD
Retailer 19$1,798 USD
Retailer 22$1,823 USD
Retailer 9$1,853 USD
Retailer 8$2,271 USD
Retailer 16$2,440 USD
Retailer 14$2,520 USD
Retailer 12$2,531 USD
Retailer 13$2,564 USD
Retailer 4$2,594 USD
Retailer 6$2,762 USD
Retailer 21$3,113 USD
Retailer 15$3,310 USD
With Clarity$3,576 USD

42 data points across 23 retailers

27 retailers$629 USD to $3,649 USD

A
Cheapest Retailer
-
$629 USD
A
Retailer 2
-
$685 USD
View
A
Retailer 3
-
$720 USD
View
A
Retailer 4
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$788 USD
View
A
Retailer 5
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$815 USD
View
A
Retailer 6
-
$892 USD
View
A
Retailer 7
-
$896 USD
HK$7,000 HKD
View
A
Retailer 8
-
$977 USD
View
A
Retailer 9
-
$1,170 USD
€1,114 EUR
View
A
Retailer 10
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$1,190 USD
View
A
Retailer 11
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$1,216 USD
£957 GBP
View
A
Retailer 12
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$1,312 USD
A$2,018 AUD
View
A
Retailer 13
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$1,315 USD
ZAR 21,245 ZAR
View
B+
Retailer 14
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$1,798 USD
View
B+
Retailer 15
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$1,823 USD
A$2,805 AUD
View
B+
Retailer 16
-
$1,853 USD
View
B+
Retailer 17
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$2,053 USD
View
B+
Retailer 18
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$2,271 USD
£1,788 GBP
View
B+
Retailer 19
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$2,440 USD
View
B+
Retailer 20
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$2,520 USD
View
B+
Retailer 21
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$2,531 USD
A$3,894 AUD
View
B+
Retailer 22
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$2,564 USD
View
B+
Retailer 23
-
$2,594 USD
SGD 3,505 SGD
View
B+
Retailer 24
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$2,762 USD
View
B
Retailer 25
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$3,113 USD
£2,451 GBP
View
B
Retailer 26
-
$3,310 USD
View
Most Expensive
B
With Clarity
633465518 · Sep 30
$3,649 USD
View
26 more retailers have this diamond
Prices start from $629 USDSave up to $3,020 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.

A
1.56ct Marquise
$629 USD