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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG500166725

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500166725

Diamond specifications and retailer prices

From $235 USD
As of November 1, 2026
Save $1,735 USD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,970 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown marquise diamond

This 1.09ct 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 LG500166725 or 500166725. Listed at 24 retailers as of October 31, 2026, with prices from $235 to $1,970, a $1,735 spread on the same certified stone. Do Amore Diamonds lists it at $1,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166725
Dimensions10.62 × 5.46 × 3.35 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
10.62 mm5.46 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166725
Side View
Table 58.5%Crown 33.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.4%

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: Nov 1
Current: $1,970 USD|Low: $230 USD|High: $1,970 USD|Avg: $809 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 11$235 USD
Retailer 5$395 USD
Retailer 6$397 USD
Retailer 16$473 USD
Retailer 2$485 USD
Retailer 3$493 USD
Retailer 8$502 USD
Retailer 13$524 USD
Retailer 14$668 USD
Retailer 17$684 USD
Retailer 18$820 USD
Retailer 9$959 USD
Retailer 7$1,074 USD
Retailer 10$1,123 USD
Retailer 12$1,125 USD
Retailer 4$1,210 USD
Retailer 15$1,450 USD
Do Amore Diamonds$1,970 USD

40 data points across 18 retailers

24 retailers$235 USD to $1,970 USD

Retailer 1
-
$205 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$235 USD
View
Final sale: no returns
Retailer 3
-
$244 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$254 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$283 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$299 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$395 USD
View
A
Retailer 8
-
$397 USD
HK$3,100 HKD
View
A
Retailer 9
-
$473 USD
€450 EUR
View
A
Retailer 10
-
$485 USD
ZAR 7,830 ZAR
View
A
Retailer 11
-
$493 USD
View
A
Retailer 12
-
$502 USD
View
A
Retailer 13
-
$524 USD
£413 GBP
View
B+
Retailer 14
-
$668 USD
A$1,028 AUD
View
A
Retailer 15
-
$684 USD
A$1,053 AUD
View
B+
Retailer 16
-
$820 USD
View
B+
Retailer 17
-
$959 USD
SGD 1,296 SGD
View
Retailer 18
-
$1,074 USD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$1,074 USD
View
Retailer 20
-
$1,123 USD
A$1,727 AUD
View
Price last confirmed 25 days ago
B+
Retailer 21
-
$1,125 USD
£886 GBP
View
B
Retailer 22
-
$1,210 USD
View
B+
Retailer 23
-
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-08963D803 · Oct 31
$1,970 USD
View
23 more retailers have this diamond
Prices start from $235 USDSave up to $1,735 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
1.09ct Marquise
$235 USD