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Round|Lab Grown|IGI

1.28ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG801684631

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801684631

Diamond specifications and retailer prices

From €219 EUR
As of November 5, 2026
Save €868 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,087 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801684631 or 801684631. Listed at 19 retailers as of November 5, 2026, with prices from €219 to €1,087, a €868 spread on the same certified stone. MOH London lists it at €1,087. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801684631
Dimensions6.94 × 6.92 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm6.92 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801684631
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

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 5
Current: €1,087 EUR|Low: €214 EUR|High: €1,121 EUR|Avg: €499 EUR|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 8€219 EUR
Retailer 6€246 EUR
Retailer 17€255 EUR
Retailer 18€272 EUR
Retailer 10€276 EUR
Retailer 4€367 EUR
Retailer 9€374 EUR
Retailer 3€404 EUR
Retailer 13€444 EUR
Retailer 5€470 EUR
Retailer 12€472 EUR
Retailer 11€511 EUR
Retailer 15€666 EUR
Retailer 14€696 EUR
Retailer 2€811 EUR
Retailer 16€875 EUR
Retailer 7€920 EUR
MOH London€1,087 EUR

40 data points across 18 retailers

19 retailers€219 EUR to €1,087 EUR

A
Cheapest Retailer
-
€219 EUR
A
Retailer 2
-
€246 EUR
View
Final sale: no returns
A
Retailer 3
-
€255 EUR
View
A
Retailer 4
-
€272 EUR
View
Retailer 5
-
€276 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€367 EUR
View
A
Retailer 7
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€374 EUR
View
A
Retailer 8
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€404 EUR
View
B+
Retailer 9
-
€444 EUR
View
B+
Retailer 10
-
€470 EUR
View
B+
Retailer 11
-
€472 EUR
View
B+
Retailer 12
-
€511 EUR
View
B+
Retailer 13
-
€570 EUR
View
B+
Retailer 14
-
€666 EUR
View
B
Retailer 15
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€696 EUR
View
B
Retailer 16
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€811 EUR
View
B
Retailer 17
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€875 EUR
View
B
Retailer 18
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€920 EUR
View
Most Expensive
B
MOH London
LG801684631 · Nov 5
€1,087 EUR
£961 GBP
View
18 more retailers have this diamond
Prices start from €219 EURSave up to €868 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
1.28ct Round
€219 EUR