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Marquise|Lab Grown|IGI

1.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG818681945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818681945

Diamond specifications and retailer prices

From $184 USD
As of November 2, 2026
Save $885 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,069 USD at MOH London · As of November 2, 2026
View at MOH London

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 LG818681945 or 818681945. Listed at 21 retailers as of November 2, 2026, with prices from $184 to $1,069, a $885 spread on the same certified stone. MOH London lists it at $1,069. 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 angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681945
Dimensions10.95 × 5.31 × 3.33 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.95 mm5.31 mm1.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681945
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $1,069 USD|Low: $184 USD|High: $1,090 USD|Avg: $554 USD|-1.2%
MOH London
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
November 2, 2026
Retailer 8$184 USD
Retailer 5$206 USD
Retailer 4$214 USD
Retailer 9$274 USD
Retailer 13$395 USD
Retailer 16$402 USD
Retailer 11$410 USD
Retailer 14$546 USD
Retailer 10$558 USD
Retailer 15$565 USD
Retailer 2$591 USD
Retailer 3$622 USD
Retailer 7$625 USD
Retailer 6$789 USD
Retailer 12$1,000 USD
MOH London$1,069 USD

29 data points across 16 retailers

21 retailers$184 USD to $1,069 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
-
$274 USD
£215 GBP
View
A
Retailer 7
-
$368 USD
View
A
Retailer 8
-
$395 USD
ZAR 6,375 ZAR
View
A
Retailer 9
-
$402 USD
View
A
Retailer 10
-
$410 USD
£323 GBP
View
B+
Retailer 11
-
$546 USD
View
B+
Retailer 12
-
$558 USD
A$858 AUD
View
B+
Retailer 13
-
$565 USD
View
B+
Retailer 14
-
$591 USD
View
Retailer 15
-
$622 USD
A$957 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$625 USD
SGD 844 SGD
View
B+
Retailer 17
-
$735 USD
View
B
Retailer 18
-
$772 USD
View
B+
Retailer 19
-
$789 USD
View
B
Retailer 20
-
$1,000 USD
View
Most Expensive
B
MOH London
LG818681945 · Nov 2
$1,069 USD
£842 GBP
View
20 more retailers have this diamond
Prices start from $184 USDSave up to $885 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