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Marquise|Lab Grown|IGI

1.31ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG508156280

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508156280

Diamond specifications and retailer prices

From $1,279 SGD
$1,000 USD
As of November 2, 2026
Save $1,173 SGD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,213 SGD at Friendly Diamonds · As of November 2, 2026
View at Friendly 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508156280 or 508156280. Listed at 14 retailers as of November 1, 2026, with a 92% 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156280
Dimensions11.11 × 5.79 × 3.51 mm
L/W Ratio1.92
Girdle conditionFaceted
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
11.11 mm5.79 mm1.31 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG508156280
Side View
Table 64.0%Crown 31.7°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,196 SGD|Low: $1,273 SGD|High: $5,277 SGD|Avg: $2,387 SGD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$1,279 SGD
Retailer 6$1,325 SGD
Retailer 10$1,443 SGD
Retailer 11$1,485 SGD
Retailer 7$1,537 SGD
Retailer 3$1,758 SGD
Retailer 1$2,196 SGD
Retailer 8$2,452 SGD
Retailer 9$2,881 SGD
Retailer 2$4,249 SGD
Retailer 4$5,214 SGD

43 data points across 11 retailers

14 retailers$1,279 SGD to $2,452 SGD

B+
Cheapest Retailer
-
$1,279 SGD
$1,000 USD
B
Retailer 2
-
$1,325 SGD
$1,036 USD
View
B
Retailer 3
-
$1,443 SGD
$1,128 USD
View
B
Retailer 4
-
$1,485 SGD
$1,161 USD
View
Final sale: no returns
Retailer 5
-
$1,537 SGD
$1,202 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,537 SGD
$1,202 USD
View
B
Retailer 7
-
$1,758 SGD
$1,375 USD
View
B
Retailer 8
-
$2,196 SGD
£1,352 GBP
View
B
Retailer 9
-
$2,452 SGD
$1,917 USD
View
Retailer 10
-
$2,881 SGD
$2,253 USD
View
Price under review
Most Expensive
Friendly Diamonds
2231555 · Nov 2
$3,213 SGD
$2,512 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,279 SGDSave up to $1,173 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+
1.31ct Marquise
$1,279 SGD