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Radiant|Lab Grown|IGI

1.57ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG494160318

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

Certificate IGI LG494160318

Diamond specifications and retailer prices

From $2,078 AUD
$1,460 USD
As of October 29, 2026
Save $3,519 AUD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,772 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG494160318 or 494160318. Listed at 12 retailers as of October 29, 2026, with a 169% 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

1.57
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494160318
Dimensions7.73 × 5.80 × 3.79 mm
L/W Ratio1.33
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
7.73 mm5.80 mm1.57 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494160318
Side View
Table 64.0%Crown 36.2°Girdle: Slightly ThickPavilion 29.6°Culet: NoneDepth 65.3%

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: Oct 29
Current: $7,772 AUD|Low: $2,078 AUD|High: $7,825 AUD|Avg: $3,985 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
Retailer 12
Retailer 13
October 29, 2026
Retailer 6$2,078 AUD
Retailer 8$2,333 AUD
Retailer 12$2,540 AUD
Retailer 9$2,708 AUD
Retailer 5$2,873 AUD
Retailer 3$2,947 AUD
Retailer 4$3,629 AUD
Retailer 10$4,254 AUD
Retailer 7$4,668 AUD
Retailer 2$4,977 AUD
Retailer 11$5,074 AUD
Retailer 13$5,597 AUD
MOH London$7,772 AUD

21 data points across 13 retailers

12 retailers$2,078 AUD to $5,597 AUD

B+
Cheapest Retailer
-
$2,078 AUD
$1,460 USD
B
Retailer 2
-
$2,333 AUD
$1,639 USD
View
B
Retailer 3
-
$2,540 AUD
$1,784 USD
View
Retailer 4
-
$2,708 AUD
$1,902 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
$2,708 AUD
$1,902 USD
View
B
Retailer 6
-
$2,947 AUD
$2,070 USD
View
B
Retailer 7
-
$4,254 AUD
$2,988 USD
View
B
Retailer 8
-
$4,668 AUD
$3,279 USD
View
B
Retailer 9
-
$4,977 AUD
ZAR 56,474 ZAR
View
B
Retailer 10
-
$5,074 AUD
$3,564 USD
View
B
Retailer 11
-
$5,597 AUD
£3,096 GBP
View
Most Expensive
MOH London
LG494160318 · Oct 29
$7,772 AUD
£4,299 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $2,078 AUDSave up to $3,519 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+
1.57ct Radiant
$2,078 AUD