Round|Lab Grown|IGI

1.21ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG851617110

Shape and cutting style on the report: Round brilliant

Certificate IGI LG851617110

Diamond specifications and retailer prices

From €165 EUR
$185 USD
As of November 1, 2026
Save €793 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €958 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 LG851617110 or 851617110. Listed at 19 retailers as of November 1, 2026, with prices from €165 to €958, a €793 spread on the same certified stone. MOH London lists it at €958. 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 angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617110
Dimensions6.87 × 6.89 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.87 mm6.89 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617110
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

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: €958 EUR|Low: €165 EUR|High: €958 EUR|Avg: €439 EUR
MOH London
Retailer 2
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Retailer 5
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Retailer 11
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Retailer 19
November 2, 2026
Retailer 4€165 EUR
Retailer 18€192 EUR
Retailer 15€205 EUR
Retailer 7€240 EUR
Retailer 9€276 EUR
Retailer 5€345 EUR
Retailer 2€354 EUR
Retailer 14€354 EUR
Retailer 13€370 EUR
Retailer 19€415 EUR
Retailer 6€425 EUR
Retailer 17€489 EUR
Retailer 12€500 EUR
Retailer 10€526 EUR
Retailer 16€659 EUR
Retailer 11€679 EUR
Retailer 3€698 EUR
Retailer 8€707 EUR
MOH London€958 EUR

6 data points across 19 retailers

19 retailers€165 EUR to €958 EUR

A
Cheapest Retailer
-
€165 EUR
$185 USD
A
Retailer 2
-
€192 EUR
$215 USD
View
A
Retailer 3
-
€205 EUR
$230 USD
View
A
Retailer 4
-
€240 EUR
HK$2,100 HKD
View
B+
Retailer 5
-
€276 EUR
$310 USD
View
A
Retailer 6
-
€345 EUR
View
A
Retailer 7
-
€354 EUR
£312 GBP
View
A
Retailer 8
-
€354 EUR
ZAR 6,411 ZAR
View
A
Retailer 9
-
€370 EUR
£327 GBP
View
B+
Retailer 10
-
€415 EUR
$466 USD
View
B+
Retailer 11
-
€425 EUR
$477 USD
View
B+
Retailer 12
-
€489 EUR
$548 USD
View
B+
Retailer 13
-
€500 EUR
A$862 AUD
View
B+
Retailer 14
-
€526 EUR
$590 USD
View
B
Retailer 15
-
€659 EUR
$739 USD
View
B
Retailer 16
-
€679 EUR
SGD 1,029 SGD
View
B
Retailer 17
-
€698 EUR
$783 USD
View
B
Retailer 18
-
€707 EUR
$793 USD
View
Most Expensive
B
MOH London
LG851617110 · Nov 2
€958 EUR
£846 GBP
View
18 more retailers have this diamond
Prices start from €165 EURSave up to €793 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
€165 EUR