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Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679787

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679787

Diamond specifications and retailer prices

From €298 EUR
HK$2,600 HKD
As of October 31, 2026
Save €724 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,022 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679787 or 800679787. Listed at 10 retailers as of October 29, 2026, with prices from €298 to €1,022, a €724 spread on the same certified stone. MOH London lists it at €1,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679787
Dimensions10.53 × 5.11 × 3.34 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.53 mm5.11 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679787
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 65.4%

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 31
Current: €1,022 EUR|Low: €298 EUR|High: €1,884 EUR|Avg: €694 EUR|-45.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5€298 EUR
Retailer 8€358 EUR
Retailer 3€426 EUR
Retailer 4€436 EUR
Retailer 2€470 EUR
Retailer 7€502 EUR
Retailer 6€551 EUR
Retailer 10€862 EUR
Retailer 9€925 EUR
MOH London€1,022 EUR

44 data points across 10 retailers

10 retailers€298 EUR to €1,022 EUR

A
Cheapest Retailer
-
€298 EUR
HK$2,600 HKD
A
Retailer 2
-
€358 EUR
$400 USD
View
A
Retailer 3
-
€426 EUR
View
A
Retailer 4
-
€436 EUR
ZAR 7,866 ZAR
View
A
Retailer 5
-
€470 EUR
£414 GBP
View
A
Retailer 6
-
€502 EUR
$561 USD
View
Retailer 7
-
€551 EUR
$616 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€862 EUR
$964 USD
View
B+
Retailer 9
-
€925 EUR
$1,033 USD
View
Most Expensive
B
MOH London
LG800679787 · Oct 29
€1,022 EUR
£899 GBP
View
9 more retailers have this diamond
Prices start from €298 EURSave up to €724 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
1.00ct Marquise
€298 EUR