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Round|Lab Grown|IGI

1.21ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG847634792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847634792

Diamond specifications and retailer prices

From $180 USD
As of November 1, 2026
Save $861 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,041 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847634792 or 847634792. Listed at 17 retailers as of November 1, 2026, with prices from $180 to $1,041, a $861 spread on the same certified stone. MOH London lists it at $1,041. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847634792
Dimensions6.89 × 6.84 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.89 mm6.84 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847634792
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 1
Current: $1,041 USD|Low: $180 USD|High: $1,046 USD|Avg: $492 USD|-0.5%
MOH London
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
November 3, 2026
Retailer 4$180 USD
Retailer 5$208 USD
Retailer 9$223 USD
Retailer 15$223 USD
Retailer 10$381 USD
Retailer 11$384 USD
Retailer 13$385 USD
Retailer 8$395 USD
Retailer 2$400 USD
Retailer 17$464 USD
Retailer 12$543 USD
Retailer 6$545 USD
Retailer 14$590 USD
Retailer 3$716 USD
Retailer 16$756 USD
Retailer 7$770 USD
MOH London$1,041 USD

16 data points across 17 retailers

17 retailers$180 USD to $1,041 USD

A
Cheapest Retailer
-
$180 USD
A
Retailer 2
-
$208 USD
View
Retailer 3
-
$223 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$223 USD
View
A
Retailer 5
-
$381 USD
€363 EUR
View
A
Retailer 6
-
$384 USD
£303 GBP
View
A
Retailer 7
-
$385 USD
ZAR 6,212 ZAR
View
A
Retailer 8
-
$395 USD
View
A
Retailer 9
-
$400 USD
£315 GBP
View
B+
Retailer 10
-
$464 USD
View
B+
Retailer 11
-
$543 USD
A$836 AUD
View
B+
Retailer 12
-
$545 USD
View
B+
Retailer 13
-
$590 USD
View
B
Retailer 14
-
$716 USD
View
B
Retailer 15
-
$756 USD
View
B
Retailer 16
-
$770 USD
View
Most Expensive
B
MOH London
LG847634792 · Nov 2
$1,041 USD
£820 GBP
View
16 more retailers have this diamond
Prices start from $180 USDSave up to $861 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 Round
$180 USD