CaratHunter
Plans
Marquise|Lab Grown|IGI

1.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG821616177

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821616177

Diamond specifications and retailer prices

From €247 EUR
$276 USD
As of October 30, 2026
Save €955 EUR (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,202 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG821616177 or 821616177. Listed at 20 retailers as of October 30, 2026, with prices from €247 to €1,202, a €955 spread on the same certified stone. Reve Diamonds lists it at €1,202. 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 angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821616177
Dimensions10.51 × 5.30 × 3.15 mm
L/W Ratio1.98
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
10.51 mm5.30 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821616177
Side View
Table 59.0%Crown 32°Girdle: THN-MEDPavilion 39.4°Culet: NoneDepth 59.4%

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: €521 EUR|Low: €210 EUR|High: €1,356 EUR|Avg: €593 EUR|-9.5%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 8€221 EUR
Retailer 3€247 EUR
Retailer 14€274 EUR
Retailer 17€274 EUR
Retailer 4€309 EUR
Retailer 13€369 EUR
Retailer 16€454 EUR
Retailer 11€471 EUR
Retailer 9€474 EUR
Retailer 2€508 EUR
Retailer 1€521 EUR
Retailer 6€572 EUR
Retailer 5€737 EUR
Retailer 15€881 EUR
Retailer 12€884 EUR
Retailer 7€927 EUR
Retailer 10€1,104 EUR
Reve Diamonds€1,202 EUR

39 data points across 18 retailers

20 retailers€247 EUR to €1,202 EUR

Retailer 1
-
€221 EUR
$247 USD
Price last confirmed 9 days ago
A
Retailer 2
-
€247 EUR
$276 USD
View
Final sale: no returns
A
Retailer 3
-
€274 EUR
$306 USD
View
A
Retailer 4
-
€274 EUR
$306 USD
View
A
Retailer 5
-
€309 EUR
HK$2,700 HKD
View
Retailer 6
-
€312 EUR
$349 USD
View
Price last confirmed 33 days ago
Retailer 7
-
€330 EUR
$369 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
€369 EUR
$412 USD
View
A
Retailer 9
-
€454 EUR
View
A
Retailer 10
-
€471 EUR
ZAR 8,498 ZAR
View
Retailer 11
-
€474 EUR
$530 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
€508 EUR
$568 USD
View
A
Retailer 13
-
€521 EUR
£458 GBP
View
Retailer 14
-
€572 EUR
A$983 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
€737 EUR
SGD 1,113 SGD
View
B+
Retailer 16
-
€881 EUR
$984 USD
View
B+
Retailer 17
-
€884 EUR
$988 USD
View
B
Retailer 18
-
€927 EUR
$1,036 USD
View
B
Retailer 19
-
€1,104 EUR
£971 GBP
View
Most Expensive
B
Reve Diamonds
07887C887 · Oct 30
€1,202 EUR
$1,343 USD
View
19 more retailers have this diamond
Prices start from €247 EURSave up to €955 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
€247 EUR