CaratHunter
Plans
Marquise|Lab Grown|IGI

1.65ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG820604760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG820604760

Diamond specifications and retailer prices

From €439 EUR
$491 USD
As of October 31, 2026
Save €1,852 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,291 EUR at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG820604760 or 820604760. Listed at 15 retailers as of October 31, 2026, with prices from €439 to €2,291, a €1,852 spread on the same certified stone. Novita Diamonds lists it at €2,291. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820604760
Dimensions12.55 × 6.04 × 3.65 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.04 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820604760
Side View
Table 62.0%Crown 39.7°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.4%

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 31
Current: €2,291 EUR|Low: €439 EUR|High: €2,291 EUR|Avg: €1,230 EUR
Novita Diamonds
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
October 31, 2026
Retailer 9€439 EUR
Retailer 5€618 EUR
Retailer 13€769 EUR
Retailer 10€798 EUR
Retailer 7€847 EUR
Retailer 4€855 EUR
Retailer 3€1,109 EUR
Retailer 15€1,141 EUR
Retailer 12€1,317 EUR
Retailer 14€1,593 EUR
Retailer 8€1,596 EUR
Retailer 6€1,810 EUR
Retailer 2€1,823 EUR
Retailer 11€2,067 EUR
Novita Diamonds€2,291 EUR

20 data points across 15 retailers

15 retailers€439 EUR to €2,291 EUR

A
Cheapest Retailer
-
€439 EUR
$491 USD
Final sale: no returns
A
Retailer 2
-
€618 EUR
$690 USD
View
A
Retailer 3
-
€769 EUR
$859 USD
View
A
Retailer 4
-
€798 EUR
£702 GBP
View
A
Retailer 5
-
€847 EUR
ZAR 15,283 ZAR
View
A
Retailer 6
-
€855 EUR
View
A
Retailer 7
-
€1,109 EUR
$1,239 USD
View
A
Retailer 8
-
€1,141 EUR
A$1,961 AUD
View
A
Retailer 9
-
€1,317 EUR
$1,471 USD
View
A
Retailer 10
-
€1,593 EUR
$1,780 USD
View
A
Retailer 11
-
€1,596 EUR
$1,783 USD
View
B+
Retailer 12
-
€1,810 EUR
£1,592 GBP
View
B+
Retailer 13
-
€1,823 EUR
$2,037 USD
View
B+
Retailer 14
-
€2,067 EUR
SGD 3,120 SGD
View
Most Expensive
B+
Novita Diamonds
cert_820604760 · Oct 31
€2,291 EUR
A$3,938 AUD
View
14 more retailers have this diamond
Prices start from €439 EURSave up to €1,852 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
€439 EUR