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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828689492

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828689492

Diamond specifications and retailer prices

From €230 EUR
$257 USD
As of October 30, 2026
Save €996 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,226 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 LG828689492 or 828689492. Listed at 13 retailers as of October 30, 2026, with prices from €230 to €1,226, a €996 spread on the same certified stone. With Clarity lists it at €1,226. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828689492
Dimensions11.97 × 6.31 × 3.91 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm6.31 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828689492
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: €335 EUR|Low: €230 EUR|High: €1,333 EUR|Avg: €801 EUR|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 10€230 EUR
Retailer 8€267 EUR
Retailer 1€335 EUR
Retailer 4€430 EUR
Retailer 6€471 EUR
Retailer 5€666 EUR
Retailer 9€877 EUR
Retailer 2€917 EUR
Retailer 11€1,043 EUR
Retailer 7€1,146 EUR
Retailer 3€1,202 EUR
With Clarity€1,226 EUR

30 data points across 12 retailers

13 retailers€230 EUR to €1,226 EUR

A
Cheapest Retailer
-
€230 EUR
$257 USD
A
Retailer 2
-
€267 EUR
$298 USD
View
A
Retailer 3
-
€335 EUR
£294 GBP
View
A
Retailer 4
-
€430 EUR
$480 USD
View
A
Retailer 5
-
€471 EUR
View
B+
Retailer 6
-
€662 EUR
$740 USD
View
A
Retailer 7
-
€666 EUR
A$1,144 AUD
View
B+
Retailer 8
-
€877 EUR
$980 USD
View
B+
Retailer 9
-
€917 EUR
$1,025 USD
View
B+
Retailer 10
-
€1,043 EUR
$1,165 USD
View
B
Retailer 11
-
€1,146 EUR
£1,008 GBP
View
Retailer 12
-
€1,202 EUR
SGD 1,815 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
828689492 · Oct 31
€1,226 EUR
$1,370 USD
View
12 more retailers have this diamond
Prices start from €230 EURSave up to €996 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
€230 EUR