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 $140 USD
As of October 27, 2026
Save $754 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $894 USD 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 $140 to $894, a $754 spread on the same certified stone. MOH London lists it at $894. 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
Color
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

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: Oct 27
Current: $894 USD|Low: $140 USD|High: $904 USD|Avg: $426 USD|-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$140 USD
Retailer 8$162 USD
Retailer 9$173 USD
Retailer 12$173 USD
Retailer 11$324 USD
Retailer 6$328 USD
Retailer 5$347 USD
Retailer 3$390 USD
Retailer 10$484 USD
Retailer 2$530 USD
Retailer 7$588 USD
Retailer 14$614 USD
Retailer 4$662 USD
MOH London$894 USD

12 data points across 14 retailers

11 retailers$140 USD to $894 USD

A
Cheapest Retailer
-
$140 USD
A
Retailer 2
-
$162 USD
View
A
Retailer 3
-
$173 USD
View
A
Retailer 4
-
$173 USD
View
A
Retailer 5
-
$324 USD
View
B+
Retailer 6
-
$390 USD
£307 GBP
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$484 USD
View
B+
Retailer 8
-
$530 USD
View
B
Retailer 9
-
$588 USD
View
B
Retailer 10
-
$614 USD
View
Most Expensive
B
MOH London
LG530227337 · Oct 26
$894 USD
£704 GBP
View
10 more retailers have this diamond
Prices start from $140 USDSave up to $754 USD

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
$140 USD