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Round|Lab Grown|IGI

1.21ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG683592664

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683592664

Diamond specifications and retailer prices

From €169 EUR
$189 USD
As of November 1, 2026
Save €808 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €976 EUR 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 LG683592664 or 683592664. Listed at 22 retailers as of November 1, 2026, with prices from €169 to €976, a €808 spread on the same certified stone. MOH London lists it at €976. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683592664
Dimensions6.78 × 6.81 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.81 mm1.21 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683592664
Side View
Table 57.0%Crown 35.9°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.7%

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: €976 EUR|Low: €163 EUR|High: €981 EUR|Avg: €454 EUR|+1.9%
MOH London
Retailer 2
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Retailer 22
November 3, 2026
Retailer 14€169 EUR
Retailer 9€188 EUR
Retailer 22€195 EUR
Retailer 7€209 EUR
Retailer 21€209 EUR
Retailer 3€240 EUR
Retailer 11€281 EUR
Retailer 16€360 EUR
Retailer 18€360 EUR
Retailer 2€378 EUR
Retailer 13€386 EUR
Retailer 6€417 EUR
Retailer 5€428 EUR
Retailer 19€462 EUR
Retailer 17€509 EUR
Retailer 15€548 EUR
Retailer 8€670 EUR
Retailer 4€673 EUR
Retailer 12€701 EUR
Retailer 10€719 EUR
Retailer 20€847 EUR
MOH London€976 EUR

29 data points across 22 retailers

22 retailers€169 EUR to €976 EUR

A
Cheapest Retailer
-
€169 EUR
$189 USD
A
Retailer 2
-
€188 EUR
$211 USD
View
Final sale: no returns
A
Retailer 3
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€195 EUR
$219 USD
View
A
Retailer 4
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€209 EUR
$234 USD
View
Retailer 5
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€209 EUR
$234 USD
View
Price last confirmed 9 days ago
A
Retailer 6
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€240 EUR
HK$2,100 HKD
View
B+
Retailer 7
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€281 EUR
$315 USD
View
A
Retailer 8
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€360 EUR
£318 GBP
View
A
Retailer 9
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€360 EUR
ZAR 6,529 ZAR
View
B+
Retailer 10
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€378 EUR
£334 GBP
View
B+
Retailer 11
-
€386 EUR
View
B+
Retailer 12
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€417 EUR
$468 USD
View
B+
Retailer 13
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€428 EUR
$480 USD
View
B+
Retailer 14
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€462 EUR
A$798 AUD
View
B+
Retailer 15
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€509 EUR
A$878 AUD
View
B+
Retailer 16
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€530 EUR
$595 USD
View
B
Retailer 17
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€670 EUR
$752 USD
View
B
Retailer 18
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€673 EUR
$755 USD
View
B
Retailer 19
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€701 EUR
$786 USD
View
B
Retailer 20
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€719 EUR
$806 USD
View
B
Retailer 21
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€847 EUR
$950 USD
View
Most Expensive
B
MOH London
LG683592664 · Nov 2
€976 EUR
£862 GBP
View
21 more retailers have this diamond
Prices start from €169 EURSave up to €808 EUR

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
€169 EUR