Radiant|Lab Grown|IGI

0.78ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG551287550

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

Certificate IGI LG551287550

Diamond specifications and retailer prices

From €108 EUR
$121 USD
As of October 30, 2026
Save €1,135 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,243 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG551287550 or 551287550. Listed at 24 retailers as of October 29, 2026, with prices from €108 to €1,243, a €1,135 spread on the same certified stone. MOH London lists it at €1,243. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551287550
Dimensions6.35 × 4.52 × 3.13 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.35 mm4.52 mm0.78 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551287550
Side View
Table 63.0%Crown 39.8°Girdle: MediumPavilion 36.5°Culet: NoneDepth 69.2%

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: Oct 30
Current: €1,243 EUR|Low: €104 EUR|High: €1,252 EUR|Avg: €387 EUR|+0.5%
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
November 1, 2026
Retailer 16€108 EUR
Retailer 4€143 EUR
Retailer 7€143 EUR
Retailer 13€201 EUR
Retailer 2€249 EUR
Retailer 6€259 EUR
Retailer 9€263 EUR
Retailer 11€268 EUR
Retailer 10€323 EUR
Retailer 12€377 EUR
Retailer 8€414 EUR
Retailer 3€419 EUR
Retailer 5€476 EUR
Retailer 15€481 EUR
Retailer 14€774 EUR
MOH London€1,243 EUR

44 data points across 16 retailers

24 retailers€108 EUR to €1,243 EUR

A
Cheapest Retailer
-
€108 EUR
$121 USD
Retailer 2
-
€126 EUR
$141 USD
View
Price last confirmed 36 days ago
Retailer 3
-
€142 EUR
$159 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
€143 EUR
$160 USD
View
Retailer 5
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€143 EUR
$160 USD
View
Price last confirmed 8 days ago
A
Retailer 6
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€185 EUR
$207 USD
View
A
Retailer 7
-
€201 EUR
$225 USD
View
A
Retailer 8
-
€249 EUR
£220 GBP
View
B+
Retailer 9
-
€259 EUR
$291 USD
View
B+
Retailer 10
-
€263 EUR
View
A
Retailer 11
-
€268 EUR
ZAR 4,852 ZAR
View
B+
Retailer 12
-
€323 EUR
£285 GBP
View
B+
Retailer 13
-
€377 EUR
A$651 AUD
View
B+
Retailer 14
-
€414 EUR
$464 USD
View
B+
Retailer 15
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€419 EUR
$470 USD
View
B
Retailer 16
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€476 EUR
$534 USD
View
B
Retailer 17
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€481 EUR
$540 USD
View
B
Retailer 18
-
€561 EUR
SGD 851 SGD
View
B
Retailer 19
-
€632 EUR
$709 USD
View
B
Retailer 20
-
€639 EUR
£564 GBP
View
B
Retailer 21
-
€774 EUR
£684 GBP
View
B
Retailer 22
-
€1,132 EUR
$1,270 USD
View
B
Retailer 23
-
€1,213 EUR
$1,360 USD
View
Most Expensive
B
MOH London
LG551287550 · Oct 29
€1,243 EUR
£1,098 GBP
View
23 more retailers have this diamond
Prices start from €108 EURSave up to €1,135 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
0.78ct Radiant
€108 EUR