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Marquise|Lab Grown|IGI

2.80ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG778698703

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778698703

Diamond specifications and retailer prices

From €306 EUR
$342 USD
As of October 30, 2026
Save €1,811 EUR (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,117 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 2.8ct lab-grown marquise diamond

This 2.8ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778698703 or 778698703. Listed at 14 retailers as of October 28, 2026, with prices from €306 to €2,117, a €1,811 spread on the same certified stone. Rare Carat lists it at €2,117. 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

2.80
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778698703
Dimensions14.60 × 7.29 × 4.66 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.60 mm7.29 mm2.80 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778698703
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.9%

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: €2,117 EUR|Low: €306 EUR|High: €2,117 EUR|Avg: €813 EUR
Rare Carat
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
October 31, 2026
Retailer 8€306 EUR
Retailer 6€355 EUR
Retailer 11€380 EUR
Retailer 15€424 EUR
Retailer 9€477 EUR
Retailer 12€515 EUR
Retailer 5€610 EUR
Retailer 14€654 EUR
Retailer 10€681 EUR
Retailer 4€866 EUR
Retailer 7€875 EUR
Retailer 2€1,113 EUR
Retailer 3€1,220 EUR
Retailer 13€1,529 EUR
Rare Carat€2,117 EUR

4 data points across 15 retailers

14 retailers€306 EUR to €2,117 EUR

A
Cheapest Retailer
-
€306 EUR
$342 USD
A
Retailer 2
-
€355 EUR
$397 USD
View
A
Retailer 3
-
€380 EUR
$424 USD
View
A
Retailer 4
-
€424 EUR
HK$3,700 HKD
View
A
Retailer 5
-
€477 EUR
£419 GBP
View
A
Retailer 6
-
€515 EUR
$575 USD
View
B+
Retailer 7
-
€610 EUR
$682 USD
View
A
Retailer 8
-
€654 EUR
$731 USD
View
A
Retailer 9
-
€681 EUR
£599 GBP
View
B+
Retailer 10
-
€866 EUR
$968 USD
View
B+
Retailer 11
-
€1,113 EUR
$1,243 USD
View
B+
Retailer 12
-
€1,220 EUR
$1,363 USD
View
B
Retailer 13
-
€1,529 EUR
£1,345 GBP
View
Most Expensive
B
Rare Carat
KI7036987KF778 · Oct 28
€2,117 EUR
$2,365 USD
View
13 more retailers have this diamond
Prices start from €306 EURSave up to €1,811 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
2.80ct Marquise
€306 EUR