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Marquise|Lab Grown|IGI

4.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG734536625

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG734536625

Diamond specifications and retailer prices

From €5,608 EUR
$6,265 USD
As of October 31, 2026
Save €15,773 EUR (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €24,224 EUR at Novita Diamonds · As of September 29, 2026
View at Novita Diamonds

About this 4ct lab-grown marquise diamond

This 4ct 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 LG734536625 or 734536625. Listed at 20 retailers as of October 31, 2026, with a 281% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734536625
Dimensions15.47 × 7.97 × 5.23 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm7.97 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734536625
Side View
Table 65.0%Crown 37.5°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 65.6%

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: €24,224 EUR|Low: €4,626 EUR|High: €24,224 EUR|Avg: €11,356 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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 16€5,608 EUR
Retailer 17€5,625 EUR
Retailer 6€5,896 EUR
Retailer 4€6,105 EUR
Retailer 9€6,709 EUR
Retailer 3€7,390 EUR
Retailer 14€7,624 EUR
Retailer 5€8,689 EUR
Retailer 18€9,428 EUR
Retailer 15€9,836 EUR
Retailer 7€11,552 EUR
Retailer 2€12,428 EUR
Retailer 13€13,000 EUR
Retailer 11€13,490 EUR
Retailer 12€14,509 EUR
Retailer 10€18,670 EUR
Retailer 8€21,380 EUR
Novita Diamonds€24,224 EUR

26 data points across 18 retailers

20 retailers€5,608 EUR to €21,380 EUR

A
Cheapest Retailer
-
€5,608 EUR
$6,265 USD
A
Retailer 2
-
€5,625 EUR
$6,284 USD
View
A
Retailer 3
-
€5,896 EUR
$6,587 USD
View
Final sale: no returns
Retailer 4
-
€6,015 EUR
$6,720 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
€6,105 EUR
$6,820 USD
View
Retailer 6
-
€6,617 EUR
$7,392 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
€7,390 EUR
$8,256 USD
View
A
Retailer 8
-
€7,624 EUR
£6,707 GBP
View
A
Retailer 9
-
€8,689 EUR
£7,644 GBP
View
A
Retailer 10
-
€9,428 EUR
$10,533 USD
View
A
Retailer 11
-
€9,836 EUR
View
A
Retailer 12
-
€10,741 EUR
$12,000 USD
View
B+
Retailer 13
-
€11,552 EUR
$12,906 USD
View
B+
Retailer 14
-
€12,428 EUR
£10,933 GBP
View
B+
Retailer 15
-
€13,000 EUR
ZAR 234,623 ZAR
View
B+
Retailer 16
-
€13,490 EUR
A$23,186 AUD
View
B+
Retailer 17
-
€14,509 EUR
$16,210 USD
View
Retailer 18
-
€17,615 EUR
$19,680 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
€21,380 EUR
$23,886 USD
View
Most Expensive
Novita Diamonds
cert_734536625 · Sep 29
€24,224 EUR
A$41,635 AUD
View
Price last confirmed 33 days ago
19 more retailers have this diamond
Prices start from €5,608 EURSave up to €15,773 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
4.00ct Marquise
€5,608 EUR