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Round|Lab Grown|IGI

1.77ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG787639469

Certificate IGI LG787639469

Diamond specifications and retailer prices

From $2,021 AUD
$1,420 USD
As of October 30, 2026
Save $1,181 AUD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,203 AUD at Jared · As of October 30, 2026
View at Jared

About this 1.77ct lab-grown round diamond

This 1.77ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787639469 or 787639469. Listed at 3 retailers as of October 30, 2026, with prices from $2,021 to $3,203, a $1,181 spread on the same certified stone. Jared lists it at $3,203. 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

1.77
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787639469
Dimensions7.76 × 7.78 mm
L/W Ratio1.00
Top View
7.76 mm7.78 mm1.77 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787639469
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,203 AUD|Low: $2,021 AUD|High: $3,203 AUD|Avg: $2,612 AUD
Jared
Retailer 2
Retailer 3
May 14, 2026
Retailer 2$2,021 AUD
Retailer 3$2,021 AUD
Jared$3,203 AUD

3 data points across 3 retailers

3 retailers$2,021 AUD to $3,203 AUD

B
Cheapest Retailer
-
$2,021 AUD
$1,420 USD
B
Retailer 2
-
$2,021 AUD
$1,420 USD
View
Most Expensive
B
Jared
158584882 · Oct 30
$3,203 AUD
$2,250 USD
View
2 more retailers have this diamond
Prices start from $2,021 AUDSave up to $1,181 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.

B
1.77ct Round
$2,021 AUD