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Marquise|Lab Grown|IGI

4.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508641

Diamond specifications and retailer prices

From €9,430 EUR
$10,535 USD
As of October 28, 2026
Save €25,910 EUR (73%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €35,339 EUR at Cape Diamonds · As of October 29, 2026
View at Cape 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 LG754508641 or 754508641. Listed at 31 retailers as of October 28, 2026, with prices from €9,430 to €35,339, a €25,910 spread on the same certified stone. Cape Diamonds lists it at €35,339. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508641
Dimensions8.23 × 8.23 × 5.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.23 mm8.23 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508641
Side View
Table 56.0%Crown 35.3°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 63.7%

Caratlytics Score

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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 28
Current: €35,339 EUR|Low: €8,397 EUR|High: €62,058 EUR|Avg: €23,741 EUR|+1.9%
Cape Diamonds
Retailer 2
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Retailer 25
October 29, 2026
Retailer 22€9,430 EUR
Retailer 18€11,073 EUR
Retailer 14€12,723 EUR
Retailer 7€12,966 EUR
Retailer 9€13,277 EUR
Retailer 23€13,900 EUR
Retailer 11€14,833 EUR
Retailer 25€14,886 EUR
Retailer 10€14,978 EUR
Retailer 24€15,481 EUR
Retailer 8€15,559 EUR
Retailer 15€17,895 EUR
Retailer 21€18,135 EUR
Retailer 2€18,747 EUR
Retailer 16€23,790 EUR
Retailer 19€26,217 EUR
Retailer 5€27,179 EUR
Retailer 13€28,250 EUR
Retailer 6€29,094 EUR
Cape Diamonds€35,339 EUR
Retailer 20€36,094 EUR
Retailer 3€41,389 EUR
Retailer 17€46,316 EUR
Retailer 4€58,091 EUR
Retailer 12€62,058 EUR

32 data points across 25 retailers

31 retailers€9,430 EUR to €35,339 EUR

A
Cheapest Retailer
-
€9,430 EUR
$10,535 USD
B+
Retailer 2
-
€11,073 EUR
$12,371 USD
View
B+
Retailer 3
-
€12,723 EUR
$14,214 USD
View
B+
Retailer 4
-
€12,966 EUR
$14,486 USD
View
Retailer 5
-
€12,966 EUR
$14,486 USD
View
Price last confirmed 24 days ago
Retailer 6
-
€12,966 EUR
$14,486 USD
View
Price last confirmed 32 days ago
Retailer 7
-
€13,277 EUR
$14,833 USD
View
Price last confirmed 33 days ago
Retailer 8
-
€13,900 EUR
£12,227 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
€14,833 EUR
$16,572 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
€14,886 EUR
$16,631 USD
View
Retailer 11
-
€15,040 EUR
$16,803 USD
View
Price last confirmed 29 days ago
Retailer 12
-
€15,040 EUR
$16,803 USD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
€15,481 EUR
$17,296 USD
View
Retailer 14
-
€15,559 EUR
$17,383 USD
View
Price last confirmed 21 days ago
B+
Retailer 15
-
€15,559 EUR
$17,383 USD
View
Retailer 16
-
€15,559 EUR
$17,383 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
€17,895 EUR
$19,992 USD
View
Final sale: no returns
B+
Retailer 18
-
€18,135 EUR
$20,260 USD
View
B+
Retailer 19
-
€18,747 EUR
£16,491 GBP
View
B
Retailer 20
-
€23,790 EUR
£20,928 GBP
View
B
Retailer 21
-
€26,217 EUR
£23,063 GBP
View
B
Retailer 22
-
€27,179 EUR
$30,364 USD
View
B
Retailer 23
-
€28,250 EUR
View
Retailer 24
-
€29,094 EUR
A$50,006 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Cape Diamonds
cert_754508641 · Oct 29
€35,339 EUR
ZAR 637,826 ZAR
View
24 more retailers have this diamond
Prices start from €9,430 EURSave up to €25,910 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
€9,430 EUR