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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 $346 CAD
$248 USD
As of October 30, 2026
Save $394 CAD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $740 CAD at 77 Diamonds · As of October 30, 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 October 30, 2026, with prices from $346 to $740, a $394 spread on the same certified stone. 77 Diamonds lists it at $740. 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
Color
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: Oct 30
Current: $740 CAD|Low: $342 CAD|High: $1,300 CAD|Avg: $824 CAD|+1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2$346 CAD
Retailer 4$616 CAD
77 Diamonds$740 CAD
Retailer 3$754 CAD
Retailer 5$1,300 CAD

39 data points across 5 retailers

2 retailers$346 CAD to $740 CAD

A
Cheapest Retailer
-
$346 CAD
$248 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSWH6B5A7P · Oct 30
$740 CAD
£417 GBP
View
1 more retailer has this diamond
Prices start from $346 CADSave up to $394 CAD

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
$346 CAD