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Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG647435579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG647435579

Diamond specifications and retailer prices

From $710 AUD
$499 USD
As of October 28, 2026
Save $990 AUD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,699 AUD at MOH London · As of October 29, 2026
View at MOH London

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647435579 or 647435579. Listed at 4 retailers as of October 28, 2026, with prices from $710 to $1,699, a $990 spread on the same certified stone. MOH London lists it at $1,699. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647435579
Dimensions7.73 × 7.72 × 4.85 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm7.72 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647435579
Side View
Table 54.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,699 AUD|Low: $674 AUD|High: $1,710 AUD|Avg: $915 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 5$697 AUD
Retailer 3$710 AUD
Retailer 2$791 AUD
Retailer 4$862 AUD
MOH London$1,699 AUD

37 data points across 5 retailers

4 retailers$710 AUD to $1,699 AUD

B+
Cheapest Retailer
-
$710 AUD
$499 USD
A
Retailer 2
-
$791 AUD
£438 GBP
View
A
Retailer 3
-
$862 AUD
$606 USD
View
Most Expensive
B
MOH London
LG647435579 · Oct 29
$1,699 AUD
£941 GBP
View
3 more retailers have this diamond
Prices start from $710 AUDSave up to $990 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
1.77ct Round
$710 AUD