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Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG579391390

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG579391390

Diamond specifications and retailer prices

From $352 AUD
$247 USD
As of October 30, 2026
Save $2,339 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,691 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown radiant diamond

This 1.77ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG579391390 or 579391390. Listed at 19 retailers as of October 30, 2026, with prices from $352 to $2,691, a $2,339 spread on the same certified stone. Do Amore Diamonds lists it at $2,691. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.77
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579391390
Dimensions8.75 × 5.96 × 4.00 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.75 mm5.96 mm1.77 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579391390
Side View
Table 65.0%Crown 43°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.1%

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 30
Current: $2,691 AUD|Low: $345 AUD|High: $2,691 AUD|Avg: $1,007 AUD|+2.2%
Do Amore Diamonds
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
November 1, 2026
Retailer 3$352 AUD
Retailer 7$393 AUD
Retailer 17$409 AUD
Retailer 5$437 AUD
Retailer 12$437 AUD
Retailer 2$563 AUD
Retailer 4$571 AUD
Retailer 11$743 AUD
Retailer 16$828 AUD
Retailer 10$847 AUD
Retailer 6$914 AUD
Retailer 15$1,121 AUD
Retailer 14$1,549 AUD
Retailer 9$1,787 AUD
Retailer 8$1,888 AUD
Retailer 13$1,942 AUD
Do Amore Diamonds$2,691 AUD

29 data points across 17 retailers

19 retailers$352 AUD to $2,691 AUD

A
Cheapest Retailer
-
$352 AUD
$247 USD
A
Retailer 2
-
$393 AUD
$276 USD
View
Final sale: no returns
A
Retailer 3
-
$409 AUD
$287 USD
View
B+
Retailer 4
-
$437 AUD
$307 USD
View
B+
Retailer 5
-
$437 AUD
$307 USD
View
B+
Retailer 6
-
$563 AUD
£311 GBP
View
B
Retailer 7
-
$571 AUD
$401 USD
View
B+
Retailer 8
-
$743 AUD
€497 EUR
View
B+
Retailer 9
-
$828 AUD
ZAR 9,395 ZAR
View
B+
Retailer 10
-
$847 AUD
£469 GBP
View
B+
Retailer 11
-
$914 AUD
$642 USD
View
B+
Retailer 12
-
$1,121 AUD
View
B+
Retailer 13
-
$1,237 AUD
£684 GBP
View
B
Retailer 14
-
$1,549 AUD
$1,088 USD
View
Retailer 15
-
$1,690 AUD
$1,187 USD
View
Price last confirmed 83 days ago
B
Retailer 16
-
$1,787 AUD
$1,256 USD
View
B
Retailer 17
-
$1,888 AUD
£1,044 GBP
View
B
Retailer 18
-
$1,942 AUD
£1,074 GBP
View
Most Expensive
C
Do Amore Diamonds
34-DBS203-3717 · Oct 30
$2,691 AUD
$1,890 USD
View
18 more retailers have this diamond
Prices start from $352 AUDSave up to $2,339 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 Radiant
$352 AUD