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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828668635

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828668635

Diamond specifications and retailer prices

From €231 EUR
$257 USD
As of October 27, 2026
Save €1,090 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,321 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828668635 or 828668635. Listed at 14 retailers as of October 27, 2026, with prices from €231 to €1,321, a €1,090 spread on the same certified stone. Brilliant Earth lists it at €1,321. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828668635
Dimensions11.60 × 6.15 × 3.93 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm6.15 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828668635
Side View
Table 61.0%Crown 37.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.9%

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 27
Current: €1,321 EUR|Low: €231 EUR|High: €1,420 EUR|Avg: €884 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
October 29, 2026
Retailer 11€231 EUR
Retailer 9€268 EUR
Retailer 4€353 EUR
Retailer 6€431 EUR
Retailer 8€473 EUR
Retailer 7€668 EUR
Retailer 10€881 EUR
Retailer 3€921 EUR
Retailer 13€1,047 EUR
Retailer 2€1,155 EUR
Retailer 5€1,207 EUR
Retailer 12€1,231 EUR
Brilliant Earth€1,321 EUR

28 data points across 13 retailers

14 retailers€231 EUR to €1,321 EUR

A
Cheapest Retailer
-
€231 EUR
$257 USD
A
Retailer 2
-
€268 EUR
$298 USD
View
A
Retailer 3
-
€353 EUR
£309 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
€431 EUR
$480 USD
View
A
Retailer 5
-
€473 EUR
View
B+
Retailer 6
-
€665 EUR
$740 USD
View
A
Retailer 7
-
€668 EUR
A$1,144 AUD
View
B+
Retailer 8
-
€881 EUR
$980 USD
View
B+
Retailer 9
-
€921 EUR
$1,025 USD
View
B+
Retailer 10
-
€1,047 EUR
$1,165 USD
View
B
Retailer 11
-
€1,155 EUR
£1,012 GBP
View
B
Retailer 12
-
€1,207 EUR
SGD 1,815 SGD
View
Price last confirmed 16 days ago
B
Retailer 13
-
€1,231 EUR
$1,370 USD
View
Most Expensive
B
Brilliant Earth
21084397A · Oct 28
€1,321 EUR
$1,470 USD
View
13 more retailers have this diamond
Prices start from €231 EURSave up to €1,090 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
1.65ct Marquise
€231 EUR