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Marquise|Lab Grown|IGI

1.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG823613031

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823613031

Diamond specifications and retailer prices

From €254 EUR
$284 USD
As of November 1, 2026
Save €1,053 EUR (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,307 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown marquise diamond

This 1ct 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 LG823613031 or 823613031. Listed at 22 retailers as of October 31, 2026, with prices from €254 to €1,307, a €1,053 spread on the same certified stone. Brilliant Earth lists it at €1,307. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823613031
Dimensions10.43 × 5.22 × 3.25 mm
L/W Ratio2.00
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
10.43 mm5.22 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823613031
Side View
Table 62.0%Crown 35.9°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 62.3%

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: Nov 1
Current: €1,307 EUR|Low: €254 EUR|High: €1,486 EUR|Avg: €711 EUR|-7.0%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 4€254 EUR
Retailer 9€299 EUR
Retailer 5€380 EUR
Retailer 11€425 EUR
Retailer 16€484 EUR
Retailer 14€485 EUR
Retailer 3€511 EUR
Retailer 10€539 EUR
Retailer 12€671 EUR
Retailer 13€688 EUR
Retailer 7€759 EUR
Retailer 8€954 EUR
Retailer 15€1,105 EUR
Retailer 2€1,132 EUR
Retailer 6€1,224 EUR
Brilliant Earth€1,307 EUR

32 data points across 16 retailers

22 retailers€254 EUR to €1,307 EUR

Retailer 1
-
€173 EUR
$193 USD
Price last confirmed 30 days ago
Retailer 2
-
€209 EUR
$234 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€224 EUR
$250 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
€254 EUR
$284 USD
View
Final sale: no returns
Retailer 5
-
€291 EUR
$325 USD
View
Price last confirmed 24 days ago
A
Retailer 6
-
€299 EUR
£263 GBP
View
A
Retailer 7
-
€380 EUR
$425 USD
View
A
Retailer 8
-
€425 EUR
$475 USD
View
B+
Retailer 9
-
€484 EUR
View
B+
Retailer 10
-
€485 EUR
ZAR 8,761 ZAR
View
A
Retailer 11
-
€511 EUR
$571 USD
View
B+
Retailer 12
-
€539 EUR
£474 GBP
View
B+
Retailer 13
-
€671 EUR
$750 USD
View
B+
Retailer 14
-
€688 EUR
A$1,182 AUD
View
B+
Retailer 15
-
€759 EUR
SGD 1,146 SGD
View
Retailer 16
-
€902 EUR
A$1,551 AUD
View
Price last confirmed 79 days ago
Retailer 17
-
€934 EUR
$1,044 USD
View
Price last confirmed 24 days ago
B+
Retailer 18
-
€954 EUR
$1,066 USD
View
B
Retailer 19
-
€1,105 EUR
£972 GBP
View
B
Retailer 20
-
€1,132 EUR
£996 GBP
View
B
Retailer 21
-
€1,224 EUR
$1,368 USD
View
Most Expensive
B
Brilliant Earth
20997943A · Oct 31
€1,307 EUR
$1,460 USD
View
21 more retailers have this diamond
Prices start from €254 EURSave up to €1,053 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
€254 EUR