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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG644447705

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG644447705

Diamond specifications and retailer prices

From €224 EUR
$251 USD
As of November 2, 2026
Save €888 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,112 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant 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 LG644447705 or 644447705. Listed at 18 retailers as of November 1, 2026, with prices from €224 to €1,112, a €888 spread on the same certified stone. MOH London lists it at €1,112. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644447705
Dimensions7.79 × 5.34 × 3.63 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm5.34 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644447705
Side View
Table 68.0%Crown 38.3°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 68.0%

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 2
Current: €1,112 EUR|Low: €215 EUR|High: €1,126 EUR|Avg: €587 EUR|+4.1%
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 2, 2026
Retailer 16€224 EUR
Retailer 6€251 EUR
Retailer 4€259 EUR
Retailer 5€277 EUR
Retailer 17€277 EUR
Retailer 14€419 EUR
Retailer 7€447 EUR
Retailer 3€465 EUR
Retailer 11€479 EUR
Retailer 9€505 EUR
Retailer 2€528 EUR
Retailer 13€676 EUR
Retailer 12€749 EUR
Retailer 15€852 EUR
Retailer 18€892 EUR
Retailer 10€938 EUR
Retailer 8€1,087 EUR
MOH London€1,112 EUR

44 data points across 18 retailers

18 retailers€224 EUR to €1,112 EUR

A
Cheapest Retailer
-
€224 EUR
$251 USD
A
Retailer 2
-
€251 EUR
$281 USD
View
Final sale: no returns
A
Retailer 3
-
€259 EUR
$291 USD
View
Retailer 4
-
€277 EUR
$311 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€277 EUR
$311 USD
View
A
Retailer 6
-
€419 EUR
$470 USD
View
B+
Retailer 7
-
€447 EUR
$501 USD
View
B+
Retailer 8
-
€465 EUR
$522 USD
View
B+
Retailer 9
-
€479 EUR
ZAR 8,683 ZAR
View
B+
Retailer 10
-
€505 EUR
$566 USD
View
B+
Retailer 11
-
€528 EUR
£467 GBP
View
B+
Retailer 12
-
€676 EUR
A$1,166 AUD
View
B
Retailer 13
-
€749 EUR
$840 USD
View
B
Retailer 14
-
€852 EUR
$956 USD
View
B
Retailer 15
-
€892 EUR
$1,001 USD
View
B
Retailer 16
-
€938 EUR
$1,052 USD
View
B
Retailer 17
-
€1,087 EUR
£960 GBP
View
Most Expensive
B
MOH London
LG644447705 · Nov 1
€1,112 EUR
£982 GBP
View
17 more retailers have this diamond
Prices start from €224 EURSave up to €888 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 Radiant
€224 EUR