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Radiant|Lab Grown|IGI

1.25ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG818644372

Shape and cutting style on the report: Square step cut

Certificate IGI LG818644372

Diamond specifications and retailer prices

From $524 AUD
$368 USD
As of October 29, 2026
Save $1,823 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,346 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644372 or 818644372. Listed at 11 retailers as of October 29, 2026, with prices from $524 to $2,346, a $1,823 spread on the same certified stone. MOH London lists it at $2,346. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle45.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644372
Dimensions6.22 × 6.18 × 3.95 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.18 mm1.25 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644372
Side View
Table 65.0%Crown 33°Girdle: MediumPavilion 45.5°Culet: NoneDepth 63.9%

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 29
Current: $2,346 AUD|Low: $373 AUD|High: $2,413 AUD|Avg: $1,456 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2$524 AUD
Retailer 7$582 AUD
Retailer 3$638 AUD
Retailer 6$942 AUD
Retailer 5$947 AUD
Retailer 4$1,001 AUD
Retailer 8$1,862 AUD
Retailer 10$1,935 AUD
Retailer 9$2,256 AUD
Retailer 11$2,289 AUD
MOH London$2,346 AUD

23 data points across 11 retailers

11 retailers$524 AUD to $2,346 AUD

A
Cheapest Retailer
-
$524 AUD
$368 USD
Final sale: no returns
A
Retailer 2
-
$582 AUD
$409 USD
View
A
Retailer 3
-
$638 AUD
HK$3,500 HKD
View
B+
Retailer 4
-
$942 AUD
$662 USD
View
B
Retailer 5
-
$947 AUD
$665 USD
View
B+
Retailer 6
-
$1,001 AUD
ZAR 11,356 ZAR
View
B
Retailer 7
-
$1,862 AUD
SGD 1,768 SGD
View
B
Retailer 8
-
$1,935 AUD
$1,359 USD
View
B
Retailer 9
-
$2,256 AUD
£1,248 GBP
View
B
Retailer 10
-
$2,289 AUD
$1,608 USD
View
Most Expensive
B
MOH London
LG818644372 · Oct 29
$2,346 AUD
£1,298 GBP
View
10 more retailers have this diamond
Prices start from $524 AUDSave up to $1,823 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
1.25ct Radiant
$524 AUD