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Marquise|Lab Grown|IGI

0.91ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG783655428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783655428

Diamond specifications and retailer prices

From $161 SGD
$126 USD
As of October 30, 2026
Save $1,501 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,663 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783655428 or 783655428. Listed at 17 retailers as of October 30, 2026, with prices from $161 to $1,663, a $1,501 spread on the same certified stone. MOH London lists it at $1,663. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655428
Dimensions9.62 × 5.08 × 3.14 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm5.08 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783655428
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 61.8%

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: Oct 30
Current: $1,663 SGD|Low: $161 SGD|High: $1,757 SGD|Avg: $496 SGD|-4.2%
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
November 1, 2026
Retailer 13$161 SGD
Retailer 5$179 SGD
Retailer 7$187 SGD
Retailer 3$212 SGD
Retailer 6$212 SGD
Retailer 4$271 SGD
Retailer 2$331 SGD
Retailer 12$331 SGD
Retailer 11$361 SGD
Retailer 10$410 SGD
Retailer 15$606 SGD
Retailer 14$640 SGD
Retailer 16$676 SGD
Retailer 8$712 SGD
Retailer 9$767 SGD
MOH London$1,663 SGD

43 data points across 16 retailers

17 retailers$161 SGD to $1,663 SGD

A
Cheapest Retailer
-
$161 SGD
$126 USD
A
Retailer 2
-
$179 SGD
$140 USD
View
Final sale: no returns
A
Retailer 3
-
$187 SGD
$146 USD
View
Retailer 4
-
$212 SGD
$166 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$212 SGD
$166 USD
View
B+
Retailer 6
-
$271 SGD
$212 USD
View
A
Retailer 7
-
$331 SGD
£204 GBP
View
A
Retailer 8
-
$331 SGD
$259 USD
View
A
Retailer 9
-
$361 SGD
€269 EUR
View
B+
Retailer 10
-
$410 SGD
£252 GBP
View
B+
Retailer 11
-
$606 SGD
$474 USD
View
Retailer 12
-
$615 SGD
$481 USD
View
Price last confirmed 76 days ago
B
Retailer 13
-
$640 SGD
$501 USD
View
B
Retailer 14
-
$676 SGD
$529 USD
View
B
Retailer 15
-
$712 SGD
$557 USD
View
B
Retailer 16
-
$767 SGD
$600 USD
View
Most Expensive
B
MOH London
LG783655428 · Nov 1
$1,663 SGD
£1,024 GBP
View
16 more retailers have this diamond
Prices start from $161 SGDSave up to $1,501 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
0.91ct Marquise
$161 SGD