Marquise|Lab Grown|IGI

1.99ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG852634649

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852634649

Diamond specifications and retailer prices

From €244 EUR
As of November 6, 2026
Save €1,449 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,693 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.99ct lab-grown marquise diamond

This 1.99ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG852634649 or 852634649. Listed at 13 retailers as of November 5, 2026, with prices from €244 to €1,693, a €1,449 spread on the same certified stone. Brilliant Earth lists it at €1,693. 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

1.99
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852634649
Dimensions13.08 × 6.49 × 4.07 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.08 mm6.49 mm1.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852634649
Side View
Table 61.0%Crown 39°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.7%

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 6
Current: €478 EUR|Low: €244 EUR|High: €1,212 EUR|Avg: €563 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6€244 EUR
Retailer 12€274 EUR
Retailer 7€283 EUR
Retailer 8€335 EUR
Retailer 11€342 EUR
Retailer 10€445 EUR
Retailer 1€478 EUR
Retailer 4€501 EUR
Retailer 9€527 EUR
Retailer 2€973 EUR
Retailer 5€975 EUR
Retailer 3€1,212 EUR

3 data points across 12 retailers

13 retailers€244 EUR to €1,693 EUR

A
Cheapest Retailer
-
€244 EUR
A
Retailer 2
-
€274 EUR
View
Final sale: no returns
A
Retailer 3
-
€283 EUR
View
A
Retailer 4
-
€335 EUR
View
A
Retailer 5
-
€342 EUR
View
A
Retailer 6
-
€445 EUR
View
A
Retailer 7
-
€478 EUR
View
B+
Retailer 8
-
€501 EUR
View
A
Retailer 9
-
€527 EUR
View
B+
Retailer 10
-
€973 EUR
View
B+
Retailer 11
-
€975 EUR
View
B
Retailer 12
-
€1,212 EUR
View
Most Expensive
B
Brilliant Earth
22517845A · Nov 5
€1,693 EUR
$1,900 USD
View
12 more retailers have this diamond
Prices start from €244 EURSave up to €1,449 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
1.99ct Marquise
€244 EUR