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Radiant|Lab Grown|IGI

1.77ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG778659561

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

Certificate IGI LG778659561

Diamond specifications and retailer prices

From $316 AUD
$222 USD
As of October 30, 2026
Save $1,463 AUD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,780 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659561 or 778659561. Listed at 15 retailers as of October 29, 2026, with prices from $316 to $1,780, a $1,463 spread on the same certified stone. Brilliant Earth lists it at $1,780. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659561
Dimensions8.87 × 5.92 × 4.03 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.87 mm5.92 mm1.77 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659561
Side View
Table 62.0%Crown 37.5°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 68.1%

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: $1,780 AUD|Low: $306 AUD|High: $1,836 AUD|Avg: $943 AUD|-3.1%
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
October 31, 2026
Retailer 11$316 AUD
Retailer 9$353 AUD
Retailer 5$369 AUD
Retailer 14$391 AUD
Retailer 3$394 AUD
Retailer 10$666 AUD
Retailer 4$824 AUD
Retailer 8$874 AUD
Retailer 2$1,035 AUD
Retailer 6$1,266 AUD
Retailer 12$1,266 AUD
Retailer 13$1,333 AUD
Retailer 7$1,409 AUD
Retailer 15$1,587 AUD
Brilliant Earth$1,780 AUD

36 data points across 15 retailers

15 retailers$316 AUD to $1,780 AUD

A
Cheapest Retailer
-
$316 AUD
$222 USD
A
Retailer 2
-
$353 AUD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$369 AUD
$259 USD
View
A
Retailer 4
-
$391 AUD
$275 USD
View
A
Retailer 5
-
$394 AUD
$277 USD
View
B+
Retailer 6
-
$666 AUD
$468 USD
View
A
Retailer 7
-
$824 AUD
$579 USD
View
A
Retailer 8
-
$874 AUD
$614 USD
View
B+
Retailer 9
-
$1,035 AUD
$727 USD
View
B+
Retailer 10
-
$1,266 AUD
$889 USD
View
B+
Retailer 11
-
$1,266 AUD
SGD 1,202 SGD
View
B+
Retailer 12
-
$1,333 AUD
$937 USD
View
Retailer 13
-
$1,409 AUD
$990 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$1,587 AUD
£878 GBP
View
Most Expensive
B
Brilliant Earth
21501255A · Oct 29
$1,780 AUD
$1,250 USD
View
14 more retailers have this diamond
Prices start from $316 AUDSave up to $1,463 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
$316 AUD