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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 $199 AUD
$140 USD
As of October 30, 2026
Save $1,073 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,273 AUD 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 $199 to $1,273, a $1,073 spread on the same certified stone. MOH London lists it at $1,273. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,273 AUD|Low: $199 AUD|High: $1,287 AUD|Avg: $607 AUD|-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$199 AUD
Retailer 8$231 AUD
Retailer 9$246 AUD
Retailer 12$246 AUD
Retailer 11$461 AUD
Retailer 6$466 AUD
Retailer 5$493 AUD
Retailer 3$555 AUD
Retailer 10$689 AUD
Retailer 2$754 AUD
Retailer 7$837 AUD
Retailer 14$874 AUD
Retailer 4$942 AUD
MOH London$1,273 AUD

11 data points across 14 retailers

11 retailers$199 AUD to $1,273 AUD

A
Cheapest Retailer
-
$199 AUD
$140 USD
A
Retailer 2
-
$231 AUD
$162 USD
View
A
Retailer 3
-
$246 AUD
$173 USD
View
A
Retailer 4
-
$246 AUD
$173 USD
View
A
Retailer 5
-
$461 AUD
$324 USD
View
Retailer 6
-
$555 AUD
£307 GBP
View
Price last confirmed 23 days ago
B+
Retailer 7
-
$689 AUD
$484 USD
View
B+
Retailer 8
-
$754 AUD
$530 USD
View
B
Retailer 9
-
$837 AUD
$588 USD
View
B
Retailer 10
-
$874 AUD
$614 USD
View
Most Expensive
B
MOH London
LG530227337 · Oct 26
$1,273 AUD
£704 GBP
View
10 more retailers have this diamond
Prices start from $199 AUDSave up to $1,073 AUD

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
$199 AUD