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Marquise|Lab Grown|IGI

1.21ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG780679905

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780679905

Diamond specifications and retailer prices

From $497 USD
As of November 1, 2026
Save $875 USD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,372 USD at MOH London · As of October 29, 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 LG780679905 or 780679905. Listed at 8 retailers as of October 29, 2026, with prices from $497 to $1,372, a $875 spread on the same certified stone. MOH London lists it at $1,372. 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 angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780679905
Dimensions10.48 × 5.70 × 3.64 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
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
10.48 mm5.70 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780679905
Side View
Table 57.0%Crown 36.2°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 63.9%

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 1
Current: $1,372 USD|Low: $448 USD|High: $1,380 USD|Avg: $745 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$448 USD
Retailer 9$497 USD
Retailer 3$564 USD
Retailer 8$576 USD
Retailer 4$590 USD
Retailer 7$754 USD
Retailer 2$815 USD
Retailer 5$1,110 USD
MOH London$1,372 USD

13 data points across 9 retailers

8 retailers$497 USD to $1,372 USD

Retailer 1
-
$448 USD
HK$3,500 HKD
Price last confirmed 25 days ago
A
Retailer 2
-
$497 USD
View
B+
Retailer 3
-
$564 USD
View
B+
Retailer 4
-
$590 USD
View
Retailer 5
-
$754 USD
View
Price last confirmed 68 days ago
B+
Retailer 6
-
$815 USD
A$1,254 AUD
View
B
Retailer 7
-
$1,110 USD
View
Most Expensive
B
MOH London
LG780679905 · Oct 29
$1,372 USD
£1,080 GBP
View
7 more retailers have this diamond
Prices start from $497 USDSave up to $875 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
$497 USD