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Round|Lab Grown|IGI

1.57ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG12278604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12278604

Diamond specifications and retailer prices

From $848 AUD
$596 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $848 AUD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12278604 or 12278604. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.57
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12278604
Dimensions7.40 × 7.46 × 4.64 mm
L/W Ratio1.01
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.40 mm7.46 mm1.57 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12278604
Side View
Table 58.0%Crown 35°Girdle: S.Pavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $848 AUD|Low: $759 AUD|High: $14,304 AUD|Avg: $3,148 AUD|+3.7%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 23, 2026
Retailer 3$839 AUD
B2C Jewels$848 AUD
Retailer 4$964 AUD
Retailer 7$1,309 AUD
Retailer 5$1,411 AUD
Retailer 6$1,768 AUD
Retailer 2$13,634 AUD

36 data points across 7 retailers

1 retailer

B
B2C Jewels
20353736 · Nov 2
$848 AUD
$596 USD
View

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 Round
$848 AUD