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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 HK$11,455 HKD
$1,460 USD
As of October 31, 2026
Save HK$19,394 HKD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$42,835 HKD 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 31, 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 31
Current: HK$42,835 HKD|Low: HK$11,455 HKD|High: HK$43,124 HKD|Avg: HK$21,980 HKD|+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 6HK$11,455 HKD
Retailer 8HK$12,859 HKD
Retailer 12HK$13,997 HKD
Retailer 9HK$14,923 HKD
Retailer 5HK$15,834 HKD
Retailer 3HK$16,241 HKD
Retailer 4HK$19,999 HKD
Retailer 10HK$23,443 HKD
Retailer 7HK$25,726 HKD
Retailer 2HK$27,427 HKD
Retailer 11HK$27,962 HKD
Retailer 13HK$30,849 HKD
MOH LondonHK$42,835 HKD

20 data points across 13 retailers

12 retailersHK$11,455 HKD to HK$30,849 HKD

B+
Cheapest Retailer
-
HK$11,455 HKD
$1,460 USD
B
Retailer 2
-
HK$12,859 HKD
$1,639 USD
View
B
Retailer 3
-
HK$13,997 HKD
$1,784 USD
View
Retailer 4
-
HK$14,923 HKD
$1,902 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
HK$14,923 HKD
$1,902 USD
View
B
Retailer 6
-
HK$16,241 HKD
$2,070 USD
View
B
Retailer 7
-
HK$23,443 HKD
$2,988 USD
View
B
Retailer 8
-
HK$25,726 HKD
$3,279 USD
View
B
Retailer 9
-
HK$27,427 HKD
ZAR 56,474 ZAR
View
B
Retailer 10
-
HK$27,962 HKD
$3,564 USD
View
B
Retailer 11
-
HK$30,849 HKD
£3,096 GBP
View
Most Expensive
MOH London
LG494160318 · Oct 29
HK$42,835 HKD
£4,299 GBP
View
Price under review
11 more retailers have this diamond
Prices start from HK$11,455 HKDSave up to HK$19,394 HKD

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
HK$11,455 HKD