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Marquise|Lab Grown|IGI

0.99ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG786683727

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786683727

Diamond specifications and retailer prices

From $246 SGD
HK$1,500 HKD
As of November 1, 2026
Save $483 SGD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,030 SGD at MOH London · As of October 25, 2026
View at MOH London

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786683727 or 786683727. Listed at 17 retailers as of November 1, 2026, with a 197% 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

0.99
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786683727
Dimensions10.56 × 5.23 × 3.12 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm5.23 mm0.99 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786683727
Side View
Table 59.0%Crown 33.9°Girdle: THN-MEDPavilion 38.9°Culet: NoneDepth 59.7%

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 1
Current: $1,030 SGD|Low: $170 SGD|High: $1,074 SGD|Avg: $500 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 6$178 SGD
Retailer 5$206 SGD
Retailer 17$220 SGD
Retailer 7$246 SGD
Retailer 14$291 SGD
Retailer 15$373 SGD
Retailer 4$379 SGD
Retailer 2$394 SGD
Retailer 8$412 SGD
Retailer 16$472 SGD
Retailer 9$533 SGD
Retailer 10$549 SGD
Retailer 12$601 SGD
Retailer 13$601 SGD
Retailer 3$707 SGD
Retailer 11$729 SGD
MOH London$1,030 SGD

43 data points across 17 retailers

17 retailers$246 SGD to $729 SGD

Retailer 1
-
$178 SGD
$139 USD
Price last confirmed 10 days ago
Retailer 2
-
$206 SGD
$161 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$220 SGD
$172 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$246 SGD
HK$1,500 HKD
View
A
Retailer 5
-
$291 SGD
£179 GBP
View
A
Retailer 6
-
$373 SGD
£230 GBP
View
Retailer 7
-
$379 SGD
€282 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$394 SGD
$308 USD
View
Retailer 9
-
$412 SGD
$322 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$472 SGD
£291 GBP
View
Price last confirmed 7 days ago
Retailer 11
-
$533 SGD
$417 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$549 SGD
$429 USD
View
B+
Retailer 13
-
$601 SGD
View
B+
Retailer 14
-
$601 SGD
$470 USD
View
Retailer 15
-
$707 SGD
$553 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$729 SGD
$570 USD
View
Most Expensive
MOH London
LG786683727 · Oct 25
$1,030 SGD
£634 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $246 SGDSave up to $483 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
0.99ct Marquise
$246 SGD