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Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG830660463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830660463

Diamond specifications and retailer prices

From $218 SGD
As of November 6, 2026
Save $915 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,303 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830660463 or 830660463. Listed at 18 retailers as of November 2, 2026, with a 419% 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660463
Dimensions10.12 × 5.22 × 3.31 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm5.22 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830660463
Side View
Table 52.0%Crown 29.9°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 63.4%

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 6
Current: $1,303 SGD|Low: $218 SGD|High: $1,303 SGD|Avg: $644 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$218 SGD
Retailer 2$287 SGD
Retailer 6$330 SGD
Retailer 10$411 SGD
Retailer 4$418 SGD
Retailer 8$438 SGD
Retailer 7$460 SGD
Retailer 9$824 SGD
Retailer 3$849 SGD
Retailer 5$1,133 SGD
Brilliant Earth$1,303 SGD

40 data points across 11 retailers

18 retailers$218 SGD to $1,133 SGD

Retailer 1
-
$199 SGD
Price last confirmed 29 days ago
A
Retailer 2
-
$218 SGD
View
Final sale: no returns
Retailer 3
-
$231 SGD
View
Price last confirmed 38 days ago
Retailer 4
-
$248 SGD
View
Price last confirmed 25 days ago
Retailer 5
-
$248 SGD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$287 SGD
View
B+
Retailer 7
-
$330 SGD
View
A
Retailer 8
-
$411 SGD
View
A
Retailer 9
-
$418 SGD
View
Retailer 10
-
$423 SGD
View
Price last confirmed 24 days ago
Retailer 11
-
$438 SGD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$460 SGD
View
Retailer 13
-
$668 SGD
View
Price last confirmed 61 days ago
Retailer 14
-
$794 SGD
View
Price last confirmed 37 days ago
B
Retailer 15
-
$824 SGD
View
B
Retailer 16
-
$849 SGD
View
B
Retailer 17
-
$1,133 SGD
View
Most Expensive
Brilliant Earth
21109744A · Oct 28
$1,303 SGD
$1,020 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $218 SGDSave up to $915 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
1.01ct Marquise
$218 SGD