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Marquise|Lab Grown|IGI

1.97ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG799606499

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799606499

Diamond specifications and retailer prices

From €331 EUR
$370 USD
As of October 30, 2026
Save €1,352 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,683 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.97ct lab-grown marquise diamond

This 1.97ct 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 LG799606499 or 799606499. Listed at 14 retailers as of October 30, 2026, with prices from €331 to €1,683, a €1,352 spread on the same certified stone. Brilliant Earth lists it at €1,683. 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

1.97
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606499
Dimensions13.45 × 6.57 × 3.93 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.45 mm6.57 mm1.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606499
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.8%

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: €1,683 EUR|Low: €318 EUR|High: €3,249 EUR|Avg: €839 EUR|-30.1%
Brilliant Earth
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
November 1, 2026
Retailer 11€331 EUR
Retailer 3€384 EUR
Retailer 4€411 EUR
Retailer 12€411 EUR
Retailer 9€460 EUR
Retailer 8€546 EUR
Retailer 6€653 EUR
Retailer 14€656 EUR
Retailer 7€742 EUR
Retailer 5€750 EUR
Retailer 10€1,205 EUR
Retailer 13€1,320 EUR
Retailer 2€1,605 EUR
Brilliant Earth€1,683 EUR

43 data points across 14 retailers

14 retailers€331 EUR to €1,683 EUR

A
Cheapest Retailer
-
€331 EUR
$370 USD
A
Retailer 2
-
€384 EUR
$429 USD
View
Retailer 3
-
€411 EUR
$459 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€411 EUR
$459 USD
View
Retailer 5
-
€460 EUR
£404 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€546 EUR
$610 USD
View
B+
Retailer 7
-
€653 EUR
$730 USD
View
B+
Retailer 8
-
€656 EUR
$733 USD
View
B+
Retailer 9
-
€742 EUR
£652 GBP
View
B+
Retailer 10
-
€750 EUR
$838 USD
View
B
Retailer 11
-
€1,205 EUR
$1,346 USD
View
B
Retailer 12
-
€1,320 EUR
$1,475 USD
View
B
Retailer 13
-
€1,605 EUR
£1,412 GBP
View
Most Expensive
B
Brilliant Earth
21067453A · Oct 31
€1,683 EUR
$1,880 USD
View
13 more retailers have this diamond
Prices start from €331 EURSave up to €1,352 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
1.97ct Marquise
€331 EUR