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Marquise|Lab Grown|IGI

1.10ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG821643617

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821643617

Diamond specifications and retailer prices

From $204 USD
As of November 4, 2026
Save $1,756 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,960 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.1ct lab-grown marquise diamond

This 1.1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821643617 or 821643617. Listed at 21 retailers as of November 4, 2026, with prices from $204 to $1,960, a $1,756 spread on the same certified stone. Do Amore Diamonds lists it at $1,960. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643617
Dimensions10.82 × 5.44 × 3.39 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
10.82 mm5.44 mm1.10 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643617
Side View
Table 57.0%Crown 33.9°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 4
Current: $1,960 USD|Low: $204 USD|High: $1,960 USD|Avg: $759 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 5, 2026
Retailer 20$204 USD
Retailer 7$228 USD
Retailer 19$237 USD
Retailer 3$253 USD
Retailer 14$295 USD
Retailer 9$437 USD
Retailer 17$482 USD
Retailer 6$509 USD
Retailer 2$516 USD
Retailer 12$642 USD
Retailer 15$683 USD
Retailer 16$729 USD
Retailer 4$899 USD
Retailer 8$1,070 USD
Retailer 5$1,110 USD
Retailer 13$1,117 USD
Retailer 10$1,158 USD
Retailer 18$1,160 USD
Retailer 11$1,325 USD
Do Amore Diamonds$1,960 USD

37 data points across 20 retailers

21 retailers$204 USD to $1,960 USD

A
Cheapest Retailer
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$204 USD
A
Retailer 2
-
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$237 USD
View
A
Retailer 4
-
$253 USD
View
A
Retailer 5
-
$295 USD
View
A
Retailer 6
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$437 USD
View
A
Retailer 7
-
$482 USD
View
A
Retailer 8
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$509 USD
View
A
Retailer 9
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$516 USD
View
A
Retailer 10
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$642 USD
View
A
Retailer 11
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$683 USD
View
B+
Retailer 12
-
$729 USD
View
B+
Retailer 13
-
$899 USD
View
B+
Retailer 14
-
$1,070 USD
View
B+
Retailer 15
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$1,110 USD
View
B+
Retailer 16
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$1,117 USD
View
Retailer 17
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$1,158 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
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$1,160 USD
View
Retailer 19
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$1,325 USD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$1,530 USD
View
Most Expensive
B
Do Amore Diamonds
27-FE6988A34 · Nov 4
$1,960 USD
View
20 more retailers have this diamond
Prices start from $204 USDSave up to $1,756 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
1.10ct Marquise
$204 USD