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Marquise|Lab Grown|IGI

0.50ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG526287681

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG526287681

Diamond specifications and retailer prices

From $157 SGD
$123 USD
As of November 2, 2026
Save $538 SGD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,624 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526287681 or 526287681. Listed at 14 retailers as of November 2, 2026, with a 342% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526287681
Dimensions8.15 × 4.18 × 2.66 mm
L/W Ratio1.95
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
8.15 mm4.18 mm0.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526287681
Side View
Table 58.0%Crown 32.8°Girdle: THN-STKPavilion 41.9°Culet: NoneDepth 63.6%

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: $1,624 SGD|Low: $151 SGD|High: $1,642 SGD|Avg: $475 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$157 SGD
Retailer 5$174 SGD
Retailer 13$182 SGD
Retailer 3$207 SGD
Retailer 10$207 SGD
Retailer 6$358 SGD
Retailer 12$375 SGD
Retailer 2$399 SGD
Retailer 7$469 SGD
Retailer 4$485 SGD
Retailer 11$624 SGD
Retailer 8$696 SGD
MOH London$1,624 SGD

43 data points across 13 retailers

14 retailers$157 SGD to $696 SGD

A
Cheapest Retailer
-
$157 SGD
$123 USD
A
Retailer 2
-
$174 SGD
$136 USD
View
Final sale: no returns
A
Retailer 3
-
$182 SGD
$142 USD
View
A
Retailer 4
-
$207 SGD
$162 USD
View
Retailer 5
-
$207 SGD
$162 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$358 SGD
$280 USD
View
B+
Retailer 7
-
$375 SGD
$293 USD
View
B
Retailer 8
-
$393 SGD
HK$2,400 HKD
View
B
Retailer 9
-
$399 SGD
£246 GBP
View
B
Retailer 10
-
$469 SGD
£289 GBP
View
B
Retailer 11
-
$485 SGD
$379 USD
View
B
Retailer 12
-
$624 SGD
$488 USD
View
B
Retailer 13
-
$696 SGD
$544 USD
View
Most Expensive
MOH London
LG526287681 · Oct 25
$1,624 SGD
£1,000 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $157 SGDSave up to $538 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
0.50ct Marquise
$157 SGD