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Marquise|Lab Grown|IGI

1.01ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG842623065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842623065

Diamond specifications and retailer prices

From $142 USD
As of November 2, 2026
Save $684 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $826 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842623065 or 842623065. Listed at 15 retailers as of November 2, 2026, with prices from $142 to $826, a $684 spread on the same certified stone. MOH London lists it at $826. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842623065
Dimensions11.06 × 5.03 × 3.11 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm5.03 mm1.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842623065
Side View
Table 58.0%Crown 29.7°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 61.8%

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 2
Current: $826 USD|Low: $142 USD|High: $860 USD|Avg: $409 USD|-0.6%
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 5$142 USD
Retailer 12$159 USD
Retailer 13$165 USD
Retailer 11$177 USD
Retailer 16$177 USD
Retailer 4$230 USD
Retailer 15$299 USD
Retailer 2$301 USD
Retailer 3$328 USD
Retailer 10$335 USD
Retailer 7$496 USD
Retailer 6$568 USD
Retailer 9$600 USD
Retailer 14$600 USD
Retailer 8$623 USD
MOH London$826 USD

21 data points across 16 retailers

15 retailers$142 USD to $826 USD

A
Cheapest Retailer
-
$142 USD
A
Retailer 2
-
$159 USD
View
Final sale: no returns
A
Retailer 3
-
$165 USD
View
Retailer 4
-
$177 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$177 USD
View
A
Retailer 6
-
$299 USD
View
A
Retailer 7
-
$301 USD
£237 GBP
View
B+
Retailer 8
-
$328 USD
View
A
Retailer 9
-
$335 USD
£264 GBP
View
B
Retailer 10
-
$496 USD
View
B
Retailer 11
-
$568 USD
View
B
Retailer 12
-
$600 USD
View
B
Retailer 13
-
$600 USD
View
B
Retailer 14
-
$623 USD
View
Most Expensive
B
MOH London
LG842623065 · Nov 2
$826 USD
£650 GBP
View
14 more retailers have this diamond
Prices start from $142 USDSave up to $684 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
1.01ct Marquise
$142 USD