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Marquise|Lab Grown|IGI

4.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754595411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595411

Diamond specifications and retailer prices

From €14,893 EUR
$16,639 USD
As of November 1, 2026
Save €22,713 EUR (60%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €37,606 EUR at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.26ct lab-grown marquise diamond

This 4.26ct 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 LG754595411 or 754595411. Listed at 29 retailers as of October 29, 2026, with prices from €14,893 to €37,606, a €22,713 spread on the same certified stone. Cape Diamonds lists it at €37,606. 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

4.26
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595411
Dimensions16.53 × 8.39 × 5.37 mm
L/W Ratio1.97
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
16.53 mm8.39 mm4.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595411
Side View
Table 60.0%Crown 36.5°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €37,606 EUR|Low: €14,440 EUR|High: €65,853 EUR|Avg: €28,123 EUR|+1.9%
Cape 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
November 1, 2026
Retailer 5€14,893 EUR
Retailer 17€15,230 EUR
Retailer 8€16,059 EUR
Retailer 9€16,175 EUR
Retailer 12€17,058 EUR
Retailer 16€17,658 EUR
Retailer 15€19,325 EUR
Retailer 13€19,448 EUR
Retailer 6€25,304 EUR
Retailer 10€27,751 EUR
Retailer 14€30,087 EUR
Retailer 11€30,604 EUR
Retailer 3€31,924 EUR
Cape Diamonds€37,606 EUR
Retailer 2€38,314 EUR
Retailer 7€49,326 EUR
Retailer 4€65,853 EUR

33 data points across 17 retailers

29 retailers€14,893 EUR to €37,606 EUR

Retailer 1
-
€10,723 EUR
$11,980 USD
Price last confirmed 84 days ago
B+
Retailer 2
-
€14,893 EUR
$16,639 USD
View
B+
Retailer 3
-
€15,230 EUR
$17,015 USD
View
Retailer 4
-
€15,230 EUR
$17,015 USD
View
Price last confirmed 24 days ago
Retailer 5
-
€15,230 EUR
$17,015 USD
View
Price last confirmed 33 days ago
Retailer 6
-
€15,596 EUR
$17,424 USD
View
Price last confirmed 34 days ago
B+
Retailer 7
-
€16,059 EUR
$17,941 USD
View
B+
Retailer 8
-
€16,175 EUR
$18,071 USD
View
B+
Retailer 9
-
€16,557 EUR
$18,498 USD
View
Retailer 10
-
€16,557 EUR
$18,498 USD
View
Price last confirmed 22 days ago
Retailer 11
-
€16,557 EUR
$18,498 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
€17,058 EUR
$19,057 USD
View
Final sale: no returns
Retailer 13
-
€17,423 EUR
$19,465 USD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
€17,658 EUR
$19,728 USD
View
Retailer 15
-
€17,667 EUR
$19,738 USD
View
Price last confirmed 29 days ago
Retailer 16
-
€17,667 EUR
$19,738 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
€19,325 EUR
$21,590 USD
View
B+
Retailer 18
-
€19,448 EUR
£17,109 GBP
View
B
Retailer 19
-
€25,304 EUR
£22,260 GBP
View
B
Retailer 20
-
€27,751 EUR
£24,412 GBP
View
B
Retailer 21
-
€30,087 EUR
View
B
Retailer 22
-
€30,604 EUR
A$52,602 AUD
View
B
Retailer 23
-
€31,924 EUR
$35,666 USD
View
Most Expensive
B
Cape Diamonds
cert_754595411 · Oct 29
€37,606 EUR
ZAR 678,742 ZAR
View
23 more retailers have this diamond
Prices start from €14,893 EURSave up to €22,713 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.

B+
4.26ct Marquise
€14,893 EUR