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Heart|Lab Grown|IGI

1.57ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG823682590

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823682590

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of November 1, 2026
Save $402 AUD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $755 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823682590 or 823682590. Listed at 2 retailers as of November 1, 2026, with prices from $353 to $755, a $402 spread on the same certified stone. 77 Diamonds lists it at $755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823682590
Dimensions6.90 × 7.96 × 4.88 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm7.96 mm1.57 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823682590
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $755 AUD|Low: $349 AUD|High: $1,325 AUD|Avg: $835 AUD|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2$353 AUD
Retailer 4$628 AUD
77 Diamonds$755 AUD
Retailer 3$769 AUD
Retailer 5$1,325 AUD

40 data points across 5 retailers

2 retailers$353 AUD to $755 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSWH6B5A7P · Nov 1
$755 AUD
£417 GBP
View
1 more retailer has this diamond
Prices start from $353 AUDSave up to $402 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.

A
1.57ct Heart
$353 AUD