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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG623423017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG623423017

Diamond specifications and retailer prices

From $359 SGD
$281 USD
As of November 2, 2026
Save $1,437 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,796 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG623423017 or 623423017. Listed at 19 retailers as of October 29, 2026, with prices from $359 to $1,796, a $1,437 spread on the same certified stone. MOH London lists it at $1,796. 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

1.31
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623423017
Dimensions10.61 × 5.73 × 3.69 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.61 mm5.73 mm1.31 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623423017
Side View
Table 60.0%Crown 38°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.4%

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: $1,796 SGD|Low: $345 SGD|High: $1,808 SGD|Avg: $934 SGD|-0.5%
MOH London
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$359 SGD
Retailer 5$417 SGD
Retailer 3$446 SGD
Retailer 6$446 SGD
Retailer 18$536 SGD
Retailer 9$589 SGD
Retailer 13$646 SGD
Retailer 10$679 SGD
Retailer 20$735 SGD
Retailer 7$769 SGD
Retailer 2$769 SGD
Retailer 11$800 SGD
Retailer 15$805 SGD
Retailer 16$1,006 SGD
Retailer 17$1,017 SGD
Retailer 19$1,370 SGD
Retailer 4$1,434 SGD
Retailer 14$1,454 SGD
Retailer 8$1,618 SGD
Retailer 12$1,696 SGD
MOH London$1,796 SGD

31 data points across 21 retailers

19 retailers$359 SGD to $1,796 SGD

A
Cheapest Retailer
-
$359 SGD
$281 USD
A
Retailer 2
-
$417 SGD
$326 USD
View
Retailer 3
-
$446 SGD
$349 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$446 SGD
$349 USD
View
Retailer 5
-
$536 SGD
£330 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
$589 SGD
HK$3,600 HKD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$646 SGD
$505 USD
View
B+
Retailer 8
-
$679 SGD
$531 USD
View
B+
Retailer 9
-
$735 SGD
$575 USD
View
B+
Retailer 10
-
$769 SGD
$601 USD
View
B+
Retailer 11
-
$769 SGD
ZAR 9,711 ZAR
View
B+
Retailer 12
-
$805 SGD
A$968 AUD
View
B
Retailer 13
-
$1,006 SGD
A$1,210 AUD
View
B
Retailer 14
-
$1,017 SGD
$795 USD
View
B
Retailer 15
-
$1,370 SGD
$1,071 USD
View
B
Retailer 16
-
$1,434 SGD
$1,121 USD
View
B
Retailer 17
-
$1,454 SGD
$1,137 USD
View
Retailer 18
-
$1,696 SGD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG623423017 · Oct 29
$1,796 SGD
£1,106 GBP
View
18 more retailers have this diamond
Prices start from $359 SGDSave up to $1,437 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
1.31ct Marquise
$359 SGD