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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG850688192

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850688192

Diamond specifications and retailer prices

From €235 EUR
As of November 5, 2026
Save €949 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,185 EUR at MOH London · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850688192 or 850688192. Listed at 20 retailers as of November 2, 2026, with prices from €235 to €1,185, a €949 spread on the same certified stone. MOH London lists it at €1,185. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850688192
Dimensions6.96 × 6.99 × 4.24 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
6.96 mm6.99 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850688192
Side View
Table 58.0%Crown 35.4°Girdle: THN-MEDPavilion 40.4°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 5
Current: €1,185 EUR|Low: €235 EUR|High: €1,191 EUR|Avg: €645 EUR|-0.6%
MOH London
Retailer 2
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Retailer 5
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Retailer 20
November 6, 2026
Retailer 17€235 EUR
Retailer 18€273 EUR
Retailer 13€291 EUR
Retailer 10€331 EUR
Retailer 12€399 EUR
Retailer 14€432 EUR
Retailer 15€467 EUR
Retailer 8€478 EUR
Retailer 5€510 EUR
Retailer 9€521 EUR
Retailer 2€547 EUR
Retailer 7€635 EUR
Retailer 4€725 EUR
Retailer 6€909 EUR
Retailer 16€936 EUR
Retailer 19€953 EUR
Retailer 11€995 EUR
Retailer 3€1,007 EUR
Retailer 20€1,048 EUR
MOH London€1,185 EUR

10 data points across 20 retailers

20 retailers€235 EUR to €1,185 EUR

A
Cheapest Retailer
-
€235 EUR
A
Retailer 2
-
€273 EUR
View
A
Retailer 3
-
€291 EUR
View
A
Retailer 4
-
€331 EUR
View
A
Retailer 5
-
€399 EUR
View
A
Retailer 6
-
€432 EUR
View
A
Retailer 7
-
€467 EUR
View
Retailer 8
-
€478 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
€510 EUR
View
A
Retailer 10
-
€521 EUR
View
A
Retailer 11
-
€547 EUR
View
B+
Retailer 12
-
€635 EUR
View
B+
Retailer 13
-
€725 EUR
View
B
Retailer 14
-
€909 EUR
View
B
Retailer 15
-
€936 EUR
View
B
Retailer 16
-
€953 EUR
View
B
Retailer 17
-
€995 EUR
View
B
Retailer 18
-
€1,007 EUR
View
B
Retailer 19
-
€1,048 EUR
View
Most Expensive
B
MOH London
LG850688192 · Nov 2
€1,185 EUR
£1,047 GBP
View
19 more retailers have this diamond
Prices start from €235 EURSave up to €949 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
€235 EUR