Round|Lab Grown|IGI

0.57ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG490188474

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490188474

Diamond specifications and retailer prices

From $203 NZD
$114 USD
As of November 1, 2026
Save $1,897 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,099 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.57ct lab-grown round diamond

This 0.57ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490188474 or 490188474. Listed at 11 retailers as of November 1, 2026, with prices from $203 to $2,099, a $1,897 spread on the same certified stone. MOH London lists it at $2,099. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.57
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490188474
Dimensions5.35 × 5.30 × 3.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.35 mm5.30 mm0.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490188474
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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: Nov 1
Current: $2,099 NZD|Low: $162 NZD|High: $2,124 NZD|Avg: $673 NZD|-1.1%
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 9$203 NZD
Retailer 13$227 NZD
Retailer 10$235 NZD
Retailer 7$452 NZD
Retailer 6$464 NZD
Retailer 4$491 NZD
Retailer 11$492 NZD
Retailer 3$528 NZD
Retailer 2$551 NZD
Retailer 5$736 NZD
Retailer 12$809 NZD
Retailer 8$901 NZD
Retailer 14$1,136 NZD
MOH London$2,099 NZD

23 data points across 14 retailers

11 retailers$203 NZD to $2,099 NZD

A
Cheapest Retailer
-
$203 NZD
$114 USD
A
Retailer 2
-
$227 NZD
$128 USD
View
Final sale: no returns
A
Retailer 3
-
$235 NZD
$132 USD
View
A
Retailer 4
-
$452 NZD
€242 EUR
View
A
Retailer 5
-
$478 NZD
HK$2,100 HKD
View
A
Retailer 6
-
$492 NZD
$277 USD
View
A
Retailer 7
-
$551 NZD
$310 USD
View
B+
Retailer 8
-
$809 NZD
$455 USD
View
B+
Retailer 9
-
$901 NZD
$507 USD
View
B+
Retailer 10
-
$1,136 NZD
SGD 864 SGD
View
Most Expensive
B
MOH London
LG490188474 · Nov 2
$2,099 NZD
£930 GBP
View
10 more retailers have this diamond
Prices start from $203 NZDSave up to $1,897 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
0.57ct Round
$203 NZD