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Radiant|Lab Grown|IGI

1.57ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG681504532

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

Certificate IGI LG681504532

Diamond specifications and retailer prices

From $326 NZD
$184 USD
As of October 30, 2026
Save $1,598 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,924 NZD at MOH London · As of October 26, 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 very-good cut grade and certified by IGI LG681504532 or 681504532. Listed at 14 retailers as of October 26, 2026, with prices from $326 to $1,924, a $1,598 spread on the same certified stone. MOH London lists it at $1,924. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.57
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681504532
Dimensions8.41 × 5.61 × 3.89 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm5.61 mm1.57 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681504532
Side View
Table 63.0%Crown 44°Girdle: MediumPavilion 34.1°Culet: NoneDepth 69.3%

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 30
Current: $1,924 NZD|Low: $264 NZD|High: $1,949 NZD|Avg: $880 NZD|-0.9%
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
Retailer 14
November 1, 2026
Retailer 12$326 NZD
Retailer 6$371 NZD
Retailer 7$380 NZD
Retailer 3$406 NZD
Retailer 4$417 NZD
Retailer 2$701 NZD
Retailer 13$717 NZD
Retailer 5$736 NZD
Retailer 10$827 NZD
Retailer 11$869 NZD
Retailer 8$1,304 NZD
Retailer 9$1,379 NZD
Retailer 14$1,401 NZD
MOH London$1,924 NZD

31 data points across 14 retailers

14 retailers$326 NZD to $1,924 NZD

A
Cheapest Retailer
-
$326 NZD
$184 USD
A
Retailer 2
-
$371 NZD
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$380 NZD
$214 USD
View
A
Retailer 4
-
$406 NZD
$229 USD
View
Retailer 5
-
$417 NZD
$235 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$701 NZD
ZAR 6,379 ZAR
View
B+
Retailer 7
-
$717 NZD
$404 USD
View
Retailer 8
-
$736 NZD
€395 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
$827 NZD
$466 USD
View
A
Retailer 10
-
$869 NZD
$490 USD
View
B+
Retailer 11
-
$1,304 NZD
$735 USD
View
B+
Retailer 12
-
$1,379 NZD
$777 USD
View
B+
Retailer 13
-
$1,401 NZD
$789 USD
View
Most Expensive
B
MOH London
LG681504532 · Oct 26
$1,924 NZD
£854 GBP
View
13 more retailers have this diamond
Prices start from $326 NZDSave up to $1,598 NZD

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
1.57ct Radiant
$326 NZD