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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 $284 SGD
$222 USD
As of October 30, 2026
Save $1,314 SGD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,598 SGD 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 $284 to $1,598, a $1,314 spread on the same certified stone. Brilliant Earth lists it at $1,598. 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

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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: $1,598 SGD|Low: $275 SGD|High: $1,649 SGD|Avg: $846 SGD|-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$284 SGD
Retailer 9$317 SGD
Retailer 5$331 SGD
Retailer 14$352 SGD
Retailer 3$354 SGD
Retailer 10$598 SGD
Retailer 4$740 SGD
Retailer 8$785 SGD
Retailer 2$929 SGD
Retailer 6$1,136 SGD
Retailer 12$1,137 SGD
Retailer 13$1,197 SGD
Retailer 7$1,266 SGD
Retailer 15$1,425 SGD
Brilliant Earth$1,598 SGD

36 data points across 15 retailers

15 retailers$284 SGD to $1,598 SGD

A
Cheapest Retailer
-
$284 SGD
$222 USD
A
Retailer 2
-
$317 SGD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$331 SGD
$259 USD
View
A
Retailer 4
-
$352 SGD
$275 USD
View
A
Retailer 5
-
$354 SGD
$277 USD
View
B+
Retailer 6
-
$598 SGD
$468 USD
View
A
Retailer 7
-
$740 SGD
$579 USD
View
A
Retailer 8
-
$785 SGD
$614 USD
View
B+
Retailer 9
-
$929 SGD
$727 USD
View
B+
Retailer 10
-
$1,136 SGD
$889 USD
View
B+
Retailer 11
-
$1,137 SGD
View
B+
Retailer 12
-
$1,197 SGD
$937 USD
View
Retailer 13
-
$1,266 SGD
$990 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$1,425 SGD
£878 GBP
View
Most Expensive
B
Brilliant Earth
21501255A · Oct 29
$1,598 SGD
$1,250 USD
View
14 more retailers have this diamond
Prices start from $284 SGDSave up to $1,314 SGD

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
$284 SGD