Marquise|Lab Grown|IGI

1.21ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG806606590

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806606590

Diamond specifications and retailer prices

From $377 USD
As of November 1, 2026
Save $997 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,374 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG806606590 or 806606590. Listed at 10 retailers as of November 1, 2026, with prices from $377 to $1,374, a $997 spread on the same certified stone. MOH London lists it at $1,374. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806606590
Dimensions11.38 × 5.69 × 3.42 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.38 mm5.69 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806606590
Side View
Table 57.0%Crown 32.9°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.1%

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 1
Current: $1,374 USD|Low: $377 USD|High: $1,391 USD|Avg: $687 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8$377 USD
Retailer 7$417 USD
Retailer 5$562 USD
Retailer 2$604 USD
Retailer 3$649 USD
Retailer 6$724 USD
Retailer 4$829 USD
MOH London$1,374 USD

41 data points across 8 retailers

10 retailers$377 USD to $1,374 USD

A
Cheapest Retailer
-
$377 USD
A
Retailer 2
-
$417 USD
View
B+
Retailer 3
-
$562 USD
View
B+
Retailer 4
-
$604 USD
£475 GBP
View
B+
Retailer 5
-
$649 USD
A$998 AUD
View
Retailer 6
-
$724 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$829 USD
A$1,276 AUD
View
B
Retailer 8
-
$1,269 USD
View
B
Retailer 9
-
$1,358 USD
View
Most Expensive
B
MOH London
LG806606590 · Nov 2
$1,374 USD
£1,082 GBP
View
9 more retailers have this diamond
Prices start from $377 USDSave up to $997 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
1.21ct Marquise
$377 USD