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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 €113 EUR
$126 USD
As of October 30, 2026
Save €1,051 EUR (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,164 EUR 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 €113 to €1,164, a €1,051 spread on the same certified stone. MOH London lists it at €1,164. 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
Color
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: €1,164 EUR|Low: €113 EUR|High: €1,230 EUR|Avg: €348 EUR|-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€113 EUR
Retailer 5€125 EUR
Retailer 7€131 EUR
Retailer 3€149 EUR
Retailer 6€149 EUR
Retailer 4€190 EUR
Retailer 2€232 EUR
Retailer 12€232 EUR
Retailer 11€253 EUR
Retailer 10€287 EUR
Retailer 15€424 EUR
Retailer 14€448 EUR
Retailer 16€474 EUR
Retailer 8€499 EUR
Retailer 9€537 EUR
MOH London€1,164 EUR

42 data points across 16 retailers

17 retailers€113 EUR to €1,164 EUR

A
Cheapest Retailer
-
€113 EUR
$126 USD
A
Retailer 2
-
€125 EUR
$140 USD
View
Final sale: no returns
A
Retailer 3
-
€131 EUR
$146 USD
View
Retailer 4
-
€149 EUR
$166 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€149 EUR
$166 USD
View
B+
Retailer 6
-
€190 EUR
$212 USD
View
A
Retailer 7
-
€232 EUR
£204 GBP
View
A
Retailer 8
-
€232 EUR
$259 USD
View
A
Retailer 9
-
€253 EUR
View
B+
Retailer 10
-
€287 EUR
£252 GBP
View
B+
Retailer 11
-
€424 EUR
$474 USD
View
Retailer 12
-
€431 EUR
$481 USD
View
Price last confirmed 77 days ago
B
Retailer 13
-
€448 EUR
$501 USD
View
B
Retailer 14
-
€474 EUR
$529 USD
View
B
Retailer 15
-
€499 EUR
$557 USD
View
B
Retailer 16
-
€537 EUR
$600 USD
View
Most Expensive
B
MOH London
LG783655428 · Nov 1
€1,164 EUR
£1,024 GBP
View
16 more retailers have this diamond
Prices start from €113 EURSave up to €1,051 EUR

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
€113 EUR