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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG803611087

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803611087

Diamond specifications and retailer prices

From $405 SGD
$317 USD
As of November 2, 2026
Save $3,201 SGD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,606 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG803611087 or 803611087. Listed at 21 retailers as of November 2, 2026, with prices from $405 to $3,606, a $3,201 spread on the same certified stone. Do Amore Diamonds lists it at $3,606. 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803611087
Dimensions12.20 × 6.36 × 3.98 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
12.20 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803611087
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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: $3,606 SGD|Low: $405 SGD|High: $3,606 SGD|Avg: $1,289 SGD
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 24$405 SGD
Retailer 6$471 SGD
Retailer 9$628 SGD
Retailer 2$649 SGD
Retailer 16$653 SGD
Retailer 7$668 SGD
Retailer 10$673 SGD
Retailer 3$703 SGD
Retailer 8$715 SGD
Retailer 15$777 SGD
Retailer 5$859 SGD
Retailer 14$1,202 SGD
Retailer 22$1,290 SGD
Retailer 18$1,338 SGD
Retailer 21$1,445 SGD
Retailer 25$1,477 SGD
Retailer 23$1,567 SGD
Retailer 11$1,653 SGD
Retailer 17$1,700 SGD
Retailer 4$1,787 SGD
Retailer 13$2,031 SGD
Retailer 19$2,172 SGD
Retailer 12$2,186 SGD
Retailer 20$3,031 SGD
Do Amore Diamonds$3,606 SGD

17 data points across 25 retailers

21 retailers$405 SGD to $3,606 SGD

A
Cheapest Retailer
-
$405 SGD
$317 USD
A
Retailer 2
-
$471 SGD
$368 USD
View
A
Retailer 3
-
$628 SGD
$491 USD
View
A
Retailer 4
-
$649 SGD
£400 GBP
View
A
Retailer 5
-
$668 SGD
$522 USD
View
B+
Retailer 6
-
$673 SGD
$526 USD
View
A
Retailer 7
-
$703 SGD
$550 USD
View
A
Retailer 8
-
$715 SGD
$559 USD
View
A
Retailer 9
-
$859 SGD
€640 EUR
View
Retailer 10
-
$1,202 SGD
$940 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,290 SGD
A$1,552 AUD
View
B+
Retailer 12
-
$1,445 SGD
A$1,738 AUD
View
B+
Retailer 13
-
$1,477 SGD
$1,155 USD
View
B+
Retailer 14
-
$1,567 SGD
$1,225 USD
View
B+
Retailer 15
-
$1,653 SGD
CA$1,795 CAD
View
B
Retailer 16
-
$1,787 SGD
$1,397 USD
View
B
Retailer 17
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$2,031 SGD
$1,588 USD
View
B
Retailer 18
-
$2,172 SGD
£1,337 GBP
View
B
Retailer 19
-
$2,186 SGD
$1,709 USD
View
B
Retailer 20
-
$3,031 SGD
$2,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1329BF40 · Nov 2
$3,606 SGD
$2,820 USD
View
20 more retailers have this diamond
Prices start from $405 SGDSave up to $3,201 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
$405 SGD