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Marquise|Lab Grown|IGI

3.92ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG733567438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG733567438

Diamond specifications and retailer prices

From €4,293 EUR
$4,815 USD
As of November 2, 2026
Save €13,553 EUR (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €17,846 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.92ct lab-grown marquise diamond

This 3.92ct 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 LG733567438 or 733567438. Listed at 22 retailers as of October 31, 2026, with prices from €4,293 to €17,846, a €13,553 spread on the same certified stone. Taylor and Hart lists it at €17,846. 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

3.92
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733567438
Dimensions15.47 × 7.97 × 5.34 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm7.97 mm3.92 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733567438
Side View
Table 61.0%Crown 41.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 67.0%

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: Nov 2
Current: €6,343 EUR|Low: €4,122 EUR|High: €17,846 EUR|Avg: €7,484 EUR|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 18
Retailer 19
Taylor and Hart
November 2, 2026
Retailer 3€4,293 EUR
Retailer 6€4,499 EUR
Retailer 8€4,655 EUR
Retailer 11€4,808 EUR
Retailer 4€4,980 EUR
Retailer 7€4,980 EUR
Retailer 2€5,006 EUR
Retailer 10€5,070 EUR
Retailer 5€6,223 EUR
Retailer 1€6,343 EUR
Retailer 19€6,361 EUR
Retailer 9€7,038 EUR
Retailer 18€7,364 EUR
Retailer 17€7,663 EUR
Retailer 15€7,770 EUR
Retailer 16€8,863 EUR
Retailer 12€10,134 EUR
Retailer 13€11,511 EUR
Retailer 14€11,562 EUR
Taylor and Hart€17,846 EUR

37 data points across 20 retailers

22 retailers€4,293 EUR to €17,846 EUR

A
Cheapest Retailer
-
€4,293 EUR
$4,815 USD
A
Retailer 2
-
€4,499 EUR
$5,046 USD
View
A
Retailer 3
-
€4,655 EUR
$5,221 USD
View
A
Retailer 4
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€4,808 EUR
$5,393 USD
View
Final sale: no returns
Retailer 5
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€4,980 EUR
$5,586 USD
View
Price last confirmed 17 days ago
A
Retailer 6
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€4,980 EUR
$5,586 USD
View
A
Retailer 7
-
€5,006 EUR
$5,615 USD
View
A
Retailer 8
-
€5,070 EUR
$5,686 USD
View
A
Retailer 9
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€6,223 EUR
$6,980 USD
View
A
Retailer 10
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€6,343 EUR
£5,602 GBP
View
A
Retailer 11
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€6,361 EUR
$7,134 USD
View
B+
Retailer 12
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€7,038 EUR
£6,216 GBP
View
B+
Retailer 13
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€7,364 EUR
$8,260 USD
View
B+
Retailer 14
-
€7,663 EUR
$8,595 USD
View
B+
Retailer 15
-
€7,770 EUR
View
B+
Retailer 16
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€8,863 EUR
$9,941 USD
View
B+
Retailer 17
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€9,631 EUR
$10,802 USD
View
B+
Retailer 18
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€10,134 EUR
£8,950 GBP
View
B
Retailer 19
-
€11,511 EUR
A$19,862 AUD
View
B+
Retailer 20
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€11,562 EUR
ZAR 209,507 ZAR
View
B
Retailer 21
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€14,519 EUR
$16,284 USD
View
Most Expensive
B
Taylor and Hart
TPRAA47 · Oct 31
€17,846 EUR
$20,017 USD
View
21 more retailers have this diamond
Prices start from €4,293 EURSave up to €13,553 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
3.92ct Marquise
€4,293 EUR