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Radiant|Lab Grown|IGI

1.55ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG778666150

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

Certificate IGI LG778666150

Diamond specifications and retailer prices

From $263 SGD
$206 USD
As of October 30, 2026
Save $1,066 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,330 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778666150 or 778666150. Listed at 17 retailers as of October 30, 2026, with prices from $263 to $1,330, a $1,066 spread on the same certified stone. Brilliant Earth lists it at $1,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666150
Dimensions8.31 × 3.72 × 3.72 mm
L/W Ratio2.23
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.31 mm3.72 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666150
Side View
Table 64.0%Crown 38°Girdle: MediumPavilion 33.5°Culet: NoneDepth 64.1%

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: $1,330 SGD|Low: $253 SGD|High: $1,345 SGD|Avg: $785 SGD
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
November 1, 2026
Retailer 16$263 SGD
Retailer 15$294 SGD
Retailer 7$307 SGD
Retailer 5$326 SGD
Retailer 8$329 SGD
Retailer 17$565 SGD
Retailer 2$601 SGD
Retailer 13$630 SGD
Retailer 14$752 SGD
Retailer 12$855 SGD
Retailer 10$1,050 SGD
Retailer 3$1,062 SGD
Retailer 4$1,117 SGD
Retailer 9$1,125 SGD
Retailer 6$1,322 SGD
Retailer 11$1,328 SGD
Brilliant Earth$1,330 SGD

35 data points across 17 retailers

17 retailers$263 SGD to $1,330 SGD

A
Cheapest Retailer
-
$263 SGD
$206 USD
A
Retailer 2
-
$294 SGD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$307 SGD
$240 USD
View
A
Retailer 4
-
$326 SGD
$255 USD
View
Retailer 5
-
$329 SGD
$257 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$565 SGD
$442 USD
View
A
Retailer 7
-
$601 SGD
£370 GBP
View
A
Retailer 8
-
$630 SGD
$493 USD
View
A
Retailer 9
-
$752 SGD
$588 USD
View
B+
Retailer 10
-
$855 SGD
$669 USD
View
B+
Retailer 11
-
$1,050 SGD
$821 USD
View
B+
Retailer 12
-
$1,062 SGD
View
B+
Retailer 13
-
$1,117 SGD
$874 USD
View
B
Retailer 14
-
$1,125 SGD
$880 USD
View
B+
Retailer 15
-
$1,322 SGD
£814 GBP
View
B+
Retailer 16
-
$1,328 SGD
$1,039 USD
View
Most Expensive
B
Brilliant Earth
21502008A · Oct 31
$1,330 SGD
$1,040 USD
View
16 more retailers have this diamond
Prices start from $263 SGDSave up to $1,066 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
1.55ct Radiant
$263 SGD