Marquise|Lab Grown|IGI

1.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG818648758

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818648758

Diamond specifications and retailer prices

From $184 USD
As of November 2, 2026
Save $906 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,090 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818648758 or 818648758. Listed at 19 retailers as of October 28, 2026, with prices from $184 to $1,090, a $906 spread on the same certified stone. Brilliant Earth lists it at $1,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818648758
Dimensions10.16 × 5.32 × 3.43 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm5.32 mm1.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818648758
Side View
Table 59.0%Crown 36.5°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 64.5%

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 2
Current: $1,090 USD|Low: $177 USD|High: $1,106 USD|Avg: $560 USD
Brilliant Earth
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 2, 2026
Retailer 6$184 USD
Retailer 17$206 USD
Retailer 16$214 USD
Retailer 8$229 USD
Retailer 12$395 USD
Retailer 14$402 USD
Retailer 11$410 USD
Retailer 10$558 USD
Retailer 5$565 USD
Retailer 2$591 USD
Retailer 15$622 USD
Retailer 4$625 USD
Retailer 7$735 USD
Retailer 9$768 USD
Retailer 3$789 USD
Retailer 13$1,069 USD
Brilliant Earth$1,090 USD

40 data points across 17 retailers

19 retailers$184 USD to $1,090 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$214 USD
View
Retailer 4
-
$229 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$229 USD
View
A
Retailer 6
-
$368 USD
View
A
Retailer 7
-
$395 USD
ZAR 6,375 ZAR
View
A
Retailer 8
-
$402 USD
View
A
Retailer 9
-
$410 USD
£323 GBP
View
B+
Retailer 10
-
$558 USD
A$858 AUD
View
B+
Retailer 11
-
$565 USD
View
B+
Retailer 12
-
$591 USD
View
B+
Retailer 13
-
$622 USD
A$957 AUD
View
B+
Retailer 14
-
$625 USD
SGD 844 SGD
View
B+
Retailer 15
-
$735 USD
View
B
Retailer 16
-
$772 USD
View
B+
Retailer 17
-
$789 USD
View
B
Retailer 18
-
$1,069 USD
£842 GBP
View
Most Expensive
B
Brilliant Earth
21492093A · Oct 28
$1,090 USD
View
18 more retailers have this diamond
Prices start from $184 USDSave up to $906 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
$184 USD