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Marquise|Lab Grown|IGI

0.91ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG600350943

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG600350943

Diamond specifications and retailer prices

From €115 EUR
$129 USD
As of October 30, 2026
Save €370 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €485 EUR at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600350943 or 600350943. Listed at 11 retailers as of October 30, 2026, with prices from €115 to €485, a €370 spread on the same certified stone. Friendly Diamonds lists it at €485. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600350943
Dimensions9.89 × 5.08 × 3.22 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.89 mm5.08 mm0.91 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600350943
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €485 EUR|Low: €115 EUR|High: €573 EUR|Avg: €321 EUR
Friendly Diamonds
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
Retailer 17
October 31, 2026
Retailer 10€115 EUR
Retailer 15€133 EUR
Retailer 12€143 EUR
Retailer 17€160 EUR
Retailer 11€189 EUR
Retailer 2€239 EUR
Retailer 16€272 EUR
Retailer 4€289 EUR
Retailer 3€294 EUR
Retailer 13€360 EUR
Retailer 7€366 EUR
Retailer 9€394 EUR
Retailer 8€435 EUR
Retailer 14€459 EUR
Friendly Diamonds€485 EUR
Retailer 6€531 EUR
Retailer 5€573 EUR

4 data points across 17 retailers

11 retailers€115 EUR to €485 EUR

A
Cheapest Retailer
-
€115 EUR
$129 USD
A
Retailer 2
-
€133 EUR
$149 USD
View
A
Retailer 3
-
€143 EUR
$160 USD
View
A
Retailer 4
-
€160 EUR
HK$1,400 HKD
View
A
Retailer 5
-
€189 EUR
£166 GBP
View
A
Retailer 6
-
€239 EUR
£210 GBP
View
B+
Retailer 7
-
€272 EUR
$304 USD
View
B+
Retailer 8
-
€294 EUR
£259 GBP
View
B+
Retailer 9
-
€360 EUR
$402 USD
View
B
Retailer 10
-
€459 EUR
$513 USD
View
Most Expensive
B
Friendly Diamonds
6559560 · Oct 31
€485 EUR
$542 USD
View
10 more retailers have this diamond
Prices start from €115 EURSave up to €370 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
€115 EUR