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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG825654747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654747

Diamond specifications and retailer prices

From $362 SGD
$283 USD
As of November 2, 2026
Save $1,531 SGD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,893 SGD at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654747 or 825654747. Listed at 22 retailers as of November 1, 2026, with prices from $362 to $1,893, a $1,531 spread on the same certified stone. With Clarity lists it at $1,893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654747
Dimensions12.37 × 6.44 × 3.87 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm6.44 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654747
Side View
Table 57.0%Crown 32.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

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: Nov 2
Current: $1,173 SGD|Low: $362 SGD|High: $1,912 SGD|Avg: $1,005 SGD|-7.8%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 10$362 SGD
Retailer 11$404 SGD
Retailer 7$421 SGD
Retailer 4$449 SGD
Retailer 6$449 SGD
Retailer 12$525 SGD
Retailer 2$652 SGD
Retailer 20$740 SGD
Retailer 16$775 SGD
Retailer 15$786 SGD
Retailer 8$891 SGD
Retailer 18$893 SGD
Retailer 19$1,045 SGD
Retailer 1$1,173 SGD
Retailer 3$1,390 SGD
Retailer 13$1,442 SGD
Retailer 5$1,444 SGD
Retailer 9$1,509 SGD
Retailer 21$1,579 SGD
Retailer 14$1,728 SGD
Retailer 17$1,800 SGD
With Clarity$1,893 SGD

21 data points across 22 retailers

22 retailers$362 SGD to $1,893 SGD

A
Cheapest Retailer
-
$362 SGD
$283 USD
A
Retailer 2
-
$404 SGD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$421 SGD
$329 USD
View
Retailer 4
-
$449 SGD
$351 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$449 SGD
$351 USD
View
A
Retailer 6
-
$525 SGD
£323 GBP
View
A
Retailer 7
-
$652 SGD
$510 USD
View
A
Retailer 8
-
$740 SGD
$579 USD
View
A
Retailer 9
-
$775 SGD
ZAR 9,785 ZAR
View
A
Retailer 10
-
$786 SGD
£484 GBP
View
A
Retailer 11
-
$891 SGD
$697 USD
View
A
Retailer 12
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$893 SGD
$698 USD
View
A
Retailer 13
-
$1,045 SGD
A$1,257 AUD
View
A
Retailer 14
-
$1,173 SGD
$917 USD
View
Retailer 15
-
$1,390 SGD
A$1,672 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,442 SGD
View
B+
Retailer 17
-
$1,444 SGD
$1,129 USD
View
B+
Retailer 18
-
$1,509 SGD
$1,180 USD
View
B+
Retailer 19
-
$1,579 SGD
$1,235 USD
View
B+
Retailer 20
-
$1,728 SGD
$1,351 USD
View
B+
Retailer 21
-
$1,800 SGD
£1,108 GBP
View
Most Expensive
B
With Clarity
825654747 · Nov 1
$1,893 SGD
$1,480 USD
View
21 more retailers have this diamond
Prices start from $362 SGDSave up to $1,531 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
1.78ct Marquise
$362 SGD