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Radiant|Lab Grown|IGI

1.51ct I VS2 Radiant Lab Grown Diamond

ID • I/VS2 • IGI LG512225948

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

Certificate IGI LG512225948

Diamond specifications and retailer prices

From $1,943 AUD
As of November 4, 2026
Save $2,604 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,908 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512225948 or 512225948. Listed at 11 retailers as of November 4, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512225948
Dimensions7.91 × 5.36 × 3.78 mm
L/W Ratio1.48
Girdle conditionFaceted
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
7.91 mm5.36 mm1.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512225948
Side View
Table 67.0%Crown 45°Girdle: STK-THKPavilion 29.5°Culet: NoneDepth 70.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,908 AUD|Low: $1,943 AUD|High: $7,021 AUD|Avg: $3,684 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
November 5, 2026
Retailer 2$1,943 AUD
Retailer 4$2,091 AUD
Retailer 8$2,276 AUD
Retailer 5$2,426 AUD
Retailer 10$2,671 AUD
Retailer 3$3,291 AUD
Retailer 6$3,824 AUD
Retailer 11$4,403 AUD
Retailer 7$4,547 AUD
Retailer 9$5,855 AUD
MOH London$6,908 AUD

15 data points across 11 retailers

11 retailers$1,943 AUD to $4,547 AUD

B
Cheapest Retailer
-
$1,943 AUD
B
Retailer 2
-
$2,091 AUD
View
B
Retailer 3
-
$2,276 AUD
View
Retailer 4
-
$2,426 AUD
View
Price last confirmed 24 days ago
B
Retailer 5
-
$2,426 AUD
View
B
Retailer 6
-
$2,671 AUD
View
B
Retailer 7
-
$3,824 AUD
View
B
Retailer 8
-
$4,403 AUD
View
B
Retailer 9
-
$4,547 AUD
View
Retailer 10
-
$5,855 AUD
View
Price under review
Most Expensive
MOH London
LG512225948 · Nov 5
$6,908 AUD
£3,808 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,943 AUDSave up to $2,604 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
1.51ct Radiant
$1,943 AUD