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Princess|Lab Grown|IGI

1.78ct G SI2 Princess Lab Grown Diamond

GD • G/SI2 • IGI LG494167484

Shape and cutting style on the report: Princess cut

Certificate IGI LG494167484

Diamond specifications and retailer prices

From $1,147 SGD
As of November 6, 2026
Save $399 SGD (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,546 SGD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.78ct lab-grown princess diamond

This 1.78ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG494167484 or 494167484. Listed at 10 retailers as of November 6, 2026, with prices from $1,147 to $1,546, a $399 spread on the same certified stone. The Diamond Guys lists it at $1,546. 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

1.78
Carat
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167484
Dimensions6.65 × 6.54 × 4.64 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.65 mm6.54 mm1.78 ctG / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167484
Side View
Table 72.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 70.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,258 SGD|Low: $275 SGD|High: $1,546 SGD|Avg: $1,054 SGD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 4, 2026
Retailer 4$275 SGD
Retailer 6$584 SGD
Retailer 3$694 SGD
Retailer 2$1,100 SGD
Retailer 7$1,147 SGD
Retailer 1$1,258 SGD
Retailer 5$1,526 SGD
The Diamond Guys$1,546 SGD

17 data points across 8 retailers

10 retailers$1,147 SGD to $1,546 SGD

Retailer 1
-
$275 SGD
Price last confirmed 26 days ago
Retailer 2
-
$341 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$341 SGD
View
Price last confirmed 25 days ago
Retailer 4
-
$584 SGD
View
Price last confirmed 23 days ago
Retailer 5
-
$694 SGD
View
Price last confirmed 22 days ago
B
Retailer 6
-
$1,147 SGD
View
Retailer 7
-
$1,210 SGD
View
Price last confirmed 30 days ago
B
Retailer 8
-
$1,258 SGD
View
Retailer 9
-
$1,526 SGD
View
Price last confirmed 26 days ago
Most Expensive
B
The Diamond Guys
1980423639 · Nov 6
$1,546 SGD
$1,210 USD
View
9 more retailers have this diamond
Prices start from $1,147 SGDSave up to $399 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.

B
1.78ct Princess
$1,147 SGD