Radiant|Lab Grown|IGI

3.05ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG522238974

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

Certificate IGI LG522238974

Diamond specifications and retailer prices

From $2,954 AUD
As of November 6, 2026
Save $11,410 AUD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,287 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown radiant diamond

This 3.05ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522238974 or 522238974. Listed at 13 retailers as of November 6, 2026, with a 386% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.6°
Pavilion angle28°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522238974
Dimensions8.98 × 7.01 × 4.80 mm
L/W Ratio1.28
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
8.98 mm7.01 mm3.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522238974
Side View
Table 66.0%Crown 52.6°Girdle: STK-THKPavilion 28°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $24,287 AUD|Low: $2,954 AUD|High: $32,432 AUD|Avg: $14,471 AUD|-1.3%
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
November 5, 2026
Retailer 7$2,954 AUD
Retailer 6$10,691 AUD
Retailer 5$10,822 AUD
Retailer 12$11,394 AUD
Retailer 10$11,975 AUD
Retailer 13$12,327 AUD
Retailer 8$12,403 AUD
Retailer 3$12,725 AUD
Retailer 2$14,023 AUD
Retailer 9$14,365 AUD
Retailer 4$15,979 AUD
MOH London$24,287 AUD
Retailer 11$32,432 AUD

14 data points across 13 retailers

13 retailers$2,954 AUD to $14,365 AUD

B+
Cheapest Retailer
-
$2,954 AUD
B
Retailer 2
-
$10,691 AUD
View
B
Retailer 3
-
$11,119 AUD
View
B
Retailer 4
-
$11,394 AUD
View
B
Retailer 5
-
$11,975 AUD
View
Final sale: no returns
B
Retailer 6
-
$12,327 AUD
View
B
Retailer 7
-
$12,403 AUD
View
Retailer 8
-
$12,403 AUD
View
Price last confirmed 26 days ago
B
Retailer 9
-
$13,949 AUD
View
B
Retailer 10
-
$14,023 AUD
View
B
Retailer 11
-
$14,365 AUD
View
Most Expensive
MOH London
LG522238974 · Nov 5
$24,287 AUD
£13,140 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $2,954 AUDSave up to $11,410 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.

B+
3.05ct Radiant
$2,954 AUD