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Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG770643926

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643926

Diamond specifications and retailer prices

From $329 AUD
$231 USD
As of October 29, 2026
Save $1,821 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,150 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG770643926 or 770643926. Listed at 23 retailers as of October 28, 2026, with prices from $329 to $2,150, a $1,821 spread on the same certified stone. Brilliant Earth lists it at $2,150. 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 angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643926
Dimensions7.78 × 7.83 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm7.83 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643926
Side View
Table 62.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,150 AUD|Low: $329 AUD|High: $2,420 AUD|Avg: $962 AUD|-11.2%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 14$329 AUD
Retailer 8$382 AUD
Retailer 7$409 AUD
Retailer 12$638 AUD
Retailer 16$683 AUD
Retailer 3$692 AUD
Retailer 5$701 AUD
Retailer 13$767 AUD
Retailer 15$782 AUD
Retailer 17$858 AUD
Retailer 10$994 AUD
Retailer 2$1,075 AUD
Retailer 4$1,303 AUD
Retailer 6$1,311 AUD
Retailer 9$1,386 AUD
Retailer 19$1,660 AUD
Retailer 11$1,719 AUD
Retailer 18$1,798 AUD
Brilliant Earth$2,150 AUD

43 data points across 19 retailers

23 retailers$329 AUD to $2,150 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
A
Retailer 2
-
$382 AUD
$268 USD
View
A
Retailer 3
-
$409 AUD
$287 USD
View
A
Retailer 4
-
$427 AUD
$300 USD
View
A
Retailer 5
-
$638 AUD
£353 GBP
View
A
Retailer 6
-
$683 AUD
€457 EUR
View
B+
Retailer 7
-
$692 AUD
$486 USD
View
A
Retailer 8
-
$701 AUD
ZAR 7,954 ZAR
View
A
Retailer 9
-
$767 AUD
£424 GBP
View
A
Retailer 10
-
$782 AUD
$549 USD
View
A
Retailer 11
-
$858 AUD
$603 USD
View
B+
Retailer 12
-
$994 AUD
View
B+
Retailer 13
-
$1,075 AUD
$755 USD
View
Retailer 14
-
$1,251 AUD
$879 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
$1,303 AUD
$915 USD
View
B+
Retailer 16
-
$1,311 AUD
$921 USD
View
B+
Retailer 17
-
$1,386 AUD
$974 USD
View
Retailer 18
-
$1,401 AUD
$984 USD
View
Price last confirmed 95 days ago
B+
Retailer 19
-
$1,469 AUD
$1,032 USD
View
B
Retailer 20
-
$1,660 AUD
$1,166 USD
View
Retailer 21
-
$1,719 AUD
£951 GBP
View
Price last confirmed 9 days ago
B
Retailer 22
-
$1,798 AUD
$1,263 USD
View
Most Expensive
B
Brilliant Earth
18082110A · Oct 28
$2,150 AUD
$1,510 USD
View
22 more retailers have this diamond
Prices start from $329 AUDSave up to $1,821 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
$329 AUD