Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG821689814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821689814

Diamond specifications and retailer prices

From $454 AUD
$319 USD
As of October 26, 2026
Save $2,107 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,658 AUD at NZ Jewellers · As of October 7, 2026
View at NZ Jewellers

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 LG821689814 or 821689814. Listed at 11 retailers as of October 26, 2026, with a 465% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821689814
Dimensions7.83 × 7.80 × 4.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm7.80 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821689814
Side View
Table 56.0%Crown 33.7°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.5%

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 26
Current: $1,810 AUD|Low: $454 AUD|High: $3,805 AUD|Avg: $1,285 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 27, 2026
Retailer 8$454 AUD
Retailer 7$509 AUD
Retailer 11$563 AUD
Retailer 14$609 AUD
Retailer 9$782 AUD
Retailer 13$804 AUD
Retailer 5$870 AUD
Retailer 12$964 AUD
Retailer 2$1,021 AUD
Retailer 4$1,371 AUD
Retailer 6$1,520 AUD
Retailer 3$1,735 AUD
NZ Jewellers$1,810 AUD
Retailer 10$2,561 AUD

18 data points across 14 retailers

11 retailers$454 AUD to $2,561 AUD

A
Cheapest Retailer
-
$454 AUD
$319 USD
A
Retailer 2
-
$509 AUD
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$563 AUD
$396 USD
View
A
Retailer 4
-
$667 AUD
$469 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$782 AUD
$550 USD
View
A
Retailer 6
-
$964 AUD
ZAR 10,951 ZAR
View
B+
Retailer 7
-
$1,021 AUD
€684 EUR
View
B+
Retailer 8
-
$1,371 AUD
$964 USD
View
Price last confirmed 80 days ago
B
Retailer 9
-
$1,810 AUD
$1,273 USD
View
B
Retailer 10
-
$2,561 AUD
£1,418 GBP
View
Most Expensive
B
NZ Jewellers
b9ceebfb-d210-409c-a1f1-4521d2e658d1 · Oct 7
$2,658 AUD
$1,869 USD
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from $454 AUDSave up to $2,107 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
$454 AUD