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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG667430983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG667430983

Diamond specifications and retailer prices

From $341 SGD
$267 USD
As of November 2, 2026
Save $1,533 SGD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,031 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG667430983 or 667430983. Listed at 25 retailers as of November 1, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667430983
Dimensions11.70 × 5.69 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
11.70 mm5.69 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667430983
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $3,312 SGD|Low: $329 SGD|High: $3,312 SGD|Avg: $1,080 SGD
Do Amore Diamonds
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
November 3, 2026
Retailer 5$329 SGD
Retailer 7$381 SGD
Retailer 4$423 SGD
Retailer 11$519 SGD
Retailer 19$524 SGD
Retailer 8$567 SGD
Retailer 6$573 SGD
Retailer 12$807 SGD
Retailer 2$821 SGD
Retailer 15$846 SGD
Retailer 3$940 SGD
Retailer 17$1,033 SGD
Retailer 16$1,141 SGD
Retailer 18$1,302 SGD
Retailer 10$1,715 SGD
Retailer 14$1,778 SGD
Retailer 9$1,798 SGD
Retailer 13$1,874 SGD
Do Amore Diamonds$3,312 SGD

43 data points across 19 retailers

25 retailers$341 SGD to $1,874 SGD

Retailer 1
-
$329 SGD
$257 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$341 SGD
$267 USD
View
A
Retailer 3
-
$381 SGD
$298 USD
View
Final sale: no returns
Retailer 4
-
$396 SGD
$310 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$423 SGD
$331 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$423 SGD
$331 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$423 SGD
$331 USD
View
A
Retailer 8
-
$519 SGD
$406 USD
View
A
Retailer 9
-
$524 SGD
$410 USD
View
A
Retailer 10
-
$567 SGD
$443 USD
View
A
Retailer 11
-
$573 SGD
$448 USD
View
B+
Retailer 12
-
$807 SGD
ZAR 10,191 ZAR
View
B+
Retailer 13
-
$821 SGD
£505 GBP
View
B+
Retailer 14
-
$846 SGD
A$1,018 AUD
View
B+
Retailer 15
-
$940 SGD
$735 USD
View
Retailer 16
-
$1,033 SGD
A$1,243 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,141 SGD
A$1,373 AUD
View
B
Retailer 18
-
$1,302 SGD
$1,018 USD
View
Retailer 19
-
$1,504 SGD
$1,176 USD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$1,504 SGD
$1,176 USD
View
B
Retailer 21
-
$1,715 SGD
$1,341 USD
View
B
Retailer 22
-
$1,778 SGD
$1,390 USD
View
B
Retailer 23
-
$1,798 SGD
$1,406 USD
View
B
Retailer 24
-
$1,874 SGD
£1,154 GBP
View
Most Expensive
Do Amore Diamonds
27-FE57E0A4D · Nov 2
$3,031 SGD
$2,370 USD
View
Price under review
24 more retailers have this diamond
Prices start from $341 SGDSave up to $1,533 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
$341 SGD