Marquise|Lab Grown|IGI

3.55ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839612920

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839612920

Diamond specifications and retailer prices

From €4,122 EUR
$4,605 USD
As of October 30, 2026
Save €12,975 EUR (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €17,097 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.55ct lab-grown marquise diamond

This 3.55ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839612920 or 839612920. Listed at 25 retailers as of October 30, 2026, with prices from €4,122 to €17,097, a €12,975 spread on the same certified stone. Taylor and Hart lists it at €17,097. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839612920
Dimensions16.83 × 7.70 × 4.72 mm
L/W Ratio2.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.83 mm7.70 mm3.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839612920
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €5,689 EUR|Low: €3,957 EUR|High: €14,384 EUR|Avg: €7,986 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2€4,122 EUR
Retailer 4€4,782 EUR
Retailer 12€4,811 EUR
Retailer 1€5,689 EUR
Retailer 6€6,106 EUR
Retailer 5€6,213 EUR
Retailer 9€7,777 EUR
Retailer 11€8,963 EUR
Retailer 8€9,954 EUR
Retailer 10€11,050 EUR
Retailer 7€11,101 EUR
Retailer 3€13,954 EUR

35 data points across 12 retailers

25 retailers€4,122 EUR to €17,097 EUR

A
Cheapest Retailer
-
€4,122 EUR
$4,605 USD
Retailer 2
-
€4,122 EUR
$4,605 USD
View
Price last confirmed 32 days ago
Retailer 3
-
€4,320 EUR
$4,826 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
€4,373 EUR
$4,886 USD
View
A
Retailer 5
-
€4,617 EUR
$5,158 USD
View
Final sale: no returns
Retailer 6
-
€4,715 EUR
$5,268 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
€4,782 EUR
$5,342 USD
View
A
Retailer 8
-
€4,811 EUR
$5,375 USD
View
A
Retailer 9
-
€5,683 EUR
HK$49,600 HKD
View
A
Retailer 10
-
€5,689 EUR
£5,005 GBP
View
Retailer 11
-
€5,975 EUR
$6,675 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
€6,106 EUR
$6,822 USD
View
A
Retailer 13
-
€6,213 EUR
£5,465 GBP
View
B+
Retailer 14
-
€6,739 EUR
£5,928 GBP
View
B+
Retailer 15
-
€6,980 EUR
$7,798 USD
View
B+
Retailer 16
-
€7,777 EUR
View
B+
Retailer 17
-
€8,963 EUR
$10,013 USD
View
B+
Retailer 18
-
€9,954 EUR
£8,756 GBP
View
Retailer 19
-
€11,050 EUR
A$18,993 AUD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
€11,101 EUR
ZAR 200,363 ZAR
View
Retailer 21
-
€12,206 EUR
$13,636 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
€13,937 EUR
$15,571 USD
View
B
Retailer 23
-
€13,954 EUR
$15,590 USD
View
B
Retailer 24
-
€16,456 EUR
SGD 24,845 SGD
View
Most Expensive
B
Taylor and Hart
7QKA2DU · Oct 31
€17,097 EUR
$19,101 USD
View
24 more retailers have this diamond
Prices start from €4,122 EURSave up to €12,975 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
3.55ct Marquise
€4,122 EUR