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Marquise|Lab Grown|IGI

3.94ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743529818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743529818

Diamond specifications and retailer prices

From €6,892 EUR
$7,700 USD
As of November 2, 2026
Save €18,790 EUR (73%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €30,722 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.94ct lab-grown marquise diamond

This 3.94ct 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 LG743529818 or 743529818. Listed at 25 retailers as of November 1, 2026, with a 273% 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

3.94
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743529818
Dimensions16.27 × 8.28 × 5.13 mm
L/W Ratio1.96
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
16.27 mm8.28 mm3.94 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743529818
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.0%

Caratlytics Score

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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: Nov 2
Current: €11,652 EUR|Low: €6,892 EUR|High: €47,869 EUR|Avg: €16,275 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
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Retailer 17
Retailer 18
Retailer 19
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Retailer 22
November 2, 2026
Retailer 9€6,892 EUR
Retailer 3€7,671 EUR
Retailer 13€7,826 EUR
Retailer 22€7,978 EUR
Retailer 6€8,817 EUR
Retailer 2€8,898 EUR
Retailer 5€9,898 EUR
Retailer 7€10,295 EUR
Retailer 21€10,492 EUR
Retailer 15€10,781 EUR
Retailer 4€11,045 EUR
Retailer 1€11,652 EUR
Retailer 18€13,623 EUR
Retailer 8€16,275 EUR
Retailer 20€16,564 EUR
Retailer 16€17,531 EUR
Retailer 12€22,671 EUR
Retailer 19€22,806 EUR
Retailer 17€22,931 EUR
Retailer 11€25,682 EUR
Retailer 14€36,730 EUR
Retailer 10€47,869 EUR

38 data points across 22 retailers

25 retailers€6,892 EUR to €25,682 EUR

A
Cheapest Retailer
-
€6,892 EUR
$7,700 USD
A
Retailer 2
-
€7,671 EUR
$8,570 USD
View
B+
Retailer 3
-
€7,826 EUR
$8,743 USD
View
B+
Retailer 4
-
€7,978 EUR
$8,913 USD
View
B+
Retailer 5
-
€8,817 EUR
$9,850 USD
View
B+
Retailer 6
-
€8,898 EUR
$9,941 USD
View
B+
Retailer 7
-
€9,898 EUR
$11,058 USD
View
B+
Retailer 8
-
€10,295 EUR
$11,502 USD
View
B+
Retailer 9
-
€10,492 EUR
$11,722 USD
View
Final sale: no returns
B+
Retailer 10
-
€10,781 EUR
HK$94,100 HKD
View
B+
Retailer 11
-
€11,045 EUR
$12,340 USD
View
B+
Retailer 12
-
€11,652 EUR
£10,250 GBP
View
B+
Retailer 13
-
€13,623 EUR
$15,220 USD
View
B
Retailer 14
-
€14,078 EUR
£12,384 GBP
View
B+
Retailer 15
-
€16,275 EUR
$18,183 USD
View
B
Retailer 16
-
€16,564 EUR
View
B
Retailer 17
-
€17,531 EUR
£15,422 GBP
View
B
Retailer 18
-
€22,671 EUR
A$38,966 AUD
View
B
Retailer 19
-
€22,806 EUR
ZAR 411,622 ZAR
View
B
Retailer 20
-
€22,931 EUR
A$39,413 AUD
View
B
Retailer 21
-
€25,682 EUR
$28,692 USD
View
Retailer 22
-
€27,155 EUR
$30,338 USD
View
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
BCZBVOK · Oct 31
€30,722 EUR
$34,322 USD
View
Price under review
22 more retailers have this diamond
Prices start from €6,892 EURSave up to €18,790 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
3.94ct Marquise
€6,892 EUR