Radiant|Lab Grown|IGI

0.78ct H SI2 Radiant Lab Grown Diamond

ID • H/SI2 • IGI LG530227337

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

Certificate IGI LG530227337

Diamond specifications and retailer prices

From £105 GBP
$140 USD
As of October 27, 2026
Save £566 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £671 GBP at MOH London · As of October 26, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530227337 or 530227337. Listed at 11 retailers as of October 26, 2026, with prices from £105 to £671, a £566 spread on the same certified stone. MOH London lists it at £671. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530227337
Dimensions6.64 × 4.54 × 3.04 mm
L/W Ratio1.46
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
6.64 mm4.54 mm0.78 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530227337
Side View
Table 66.0%Crown 44.6°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.0%

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: Oct 27
Current: £671 GBP|Low: £105 GBP|High: £679 GBP|Avg: £320 GBP|-0.8%
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
October 26, 2026
Retailer 13£105 GBP
Retailer 8£122 GBP
Retailer 9£130 GBP
Retailer 12£130 GBP
Retailer 11£243 GBP
Retailer 6£246 GBP
Retailer 5£260 GBP
Retailer 3£293 GBP
Retailer 10£363 GBP
Retailer 2£398 GBP
Retailer 7£442 GBP
Retailer 14£461 GBP
Retailer 4£497 GBP
MOH London£671 GBP

11 data points across 14 retailers

11 retailers£105 GBP to £671 GBP

A
Cheapest Retailer
-
£105 GBP
$140 USD
A
Retailer 2
-
£122 GBP
$162 USD
View
A
Retailer 3
-
£130 GBP
$173 USD
View
A
Retailer 4
-
£130 GBP
$173 USD
View
A
Retailer 5
-
£243 GBP
$324 USD
View
Retailer 6
-
£293 GBP
View
Price last confirmed 22 days ago
B+
Retailer 7
-
£363 GBP
$484 USD
View
B+
Retailer 8
-
£398 GBP
$530 USD
View
B
Retailer 9
-
£442 GBP
$588 USD
View
B
Retailer 10
-
£461 GBP
$614 USD
View
Most Expensive
B
MOH London
LG530227337 · Oct 26
£671 GBP
View
10 more retailers have this diamond
Prices start from £105 GBPSave up to £566 GBP

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
£105 GBP