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Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG628437391

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628437391

Diamond specifications and retailer prices

From €212 EUR
$237 USD
As of November 1, 2026
Save €1,059 EUR (83%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €1,271 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628437391 or 628437391. Listed at 27 retailers as of October 31, 2026, with prices from €212 to €1,271, a €1,059 spread on the same certified stone. Brilliant Earth lists it at €1,271. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628437391
Dimensions10.97 × 5.13 × 3.18 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
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
10.97 mm5.13 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628437391
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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 1
Current: €1,271 EUR|Low: €190 EUR|High: €1,549 EUR|Avg: €596 EUR|-17.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 8€190 EUR
Retailer 16€212 EUR
Retailer 5€235 EUR
Retailer 4€275 EUR
Retailer 3€331 EUR
Retailer 17€398 EUR
Retailer 2€406 EUR
Retailer 15€435 EUR
Retailer 20€446 EUR
Retailer 9€505 EUR
Retailer 6€506 EUR
Retailer 14€519 EUR
Retailer 18€563 EUR
Retailer 10€664 EUR
Retailer 19€758 EUR
Retailer 7€803 EUR
Retailer 12€848 EUR
Retailer 11€928 EUR
Retailer 13€942 EUR
Retailer 21€1,102 EUR
Brilliant Earth€1,271 EUR

37 data points across 21 retailers

27 retailers€212 EUR to €1,271 EUR

Retailer 1
-
€190 EUR
$212 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€212 EUR
$237 USD
View
Final sale: no returns
Retailer 3
-
€226 EUR
$252 USD
View
Price last confirmed 32 days ago
Retailer 4
-
€235 EUR
$263 USD
View
Price last confirmed 24 days ago
Retailer 5
-
€235 EUR
$263 USD
View
Price last confirmed 22 days ago
Retailer 6
-
€261 EUR
$292 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
€275 EUR
HK$2,400 HKD
View
Retailer 8
-
€276 EUR
$308 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
€331 EUR
$370 USD
View
A
Retailer 10
-
€398 EUR
View
A
Retailer 11
-
€406 EUR
ZAR 7,326 ZAR
View
A
Retailer 12
-
€435 EUR
£382 GBP
View
A
Retailer 13
-
€446 EUR
$498 USD
View
Retailer 14
-
€505 EUR
$564 USD
View
Price last confirmed 8 days ago
A
Retailer 15
-
€506 EUR
$565 USD
View
B+
Retailer 16
-
€563 EUR
A$968 AUD
View
B+
Retailer 17
-
€664 EUR
SGD 1,002 SGD
View
B+
Retailer 18
-
€755 EUR
$844 USD
View
Retailer 19
-
€755 EUR
$844 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
€758 EUR
$847 USD
View
B+
Retailer 21
-
€803 EUR
$897 USD
View
B+
Retailer 22
-
€848 EUR
$947 USD
View
Retailer 23
-
€899 EUR
$1,004 USD
View
Price last confirmed 32 days ago
Retailer 24
-
€928 EUR
A$1,595 AUD
View
Price last confirmed 24 days ago
B+
Retailer 25
-
€942 EUR
£829 GBP
View
B
Retailer 26
-
€1,102 EUR
$1,231 USD
View
Most Expensive
B
Brilliant Earth
9949773A · Oct 31
€1,271 EUR
$1,420 USD
View
26 more retailers have this diamond
Prices start from €212 EURSave up to €1,059 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
1.01ct Marquise
€212 EUR