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Marquise|Lab Grown|IGI

3.42ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG706508352

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG706508352

Diamond specifications and retailer prices

From €3,261 EUR
$3,643 USD
As of October 30, 2026
Save €19,179 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €22,440 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.42ct lab-grown marquise diamond

This 3.42ct 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 LG706508352 or 706508352. Listed at 18 retailers as of October 30, 2026, with prices from €3,261 to €22,440, a €19,179 spread on the same certified stone. Do Amore Diamonds lists it at €22,440. 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

3.42
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706508352
Dimensions15.12 × 7.78 × 5.06 mm
L/W Ratio1.94
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
15.12 mm7.78 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706508352
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
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 30
Current: €22,440 EUR|Low: €3,261 EUR|High: €23,675 EUR|Avg: €7,466 EUR|-5.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
November 1, 2026
Retailer 16€3,261 EUR
Retailer 17€3,318 EUR
Retailer 8€3,537 EUR
Retailer 14€3,571 EUR
Retailer 11€3,861 EUR
Retailer 18€3,920 EUR
Retailer 10€4,040 EUR
Retailer 2€4,968 EUR
Retailer 13€5,115 EUR
Retailer 4€5,217 EUR
Retailer 7€6,066 EUR
Retailer 5€6,673 EUR
Retailer 6€7,162 EUR
Retailer 15€8,262 EUR
Retailer 19€8,992 EUR
Retailer 9€10,116 EUR
Retailer 3€10,386 EUR
Retailer 12€16,038 EUR
Do Amore Diamonds€22,440 EUR

37 data points across 19 retailers

18 retailers€3,261 EUR to €22,440 EUR

A
Cheapest Retailer
-
€3,261 EUR
$3,643 USD
A
Retailer 2
-
€3,318 EUR
$3,707 USD
View
A
Retailer 3
-
€3,537 EUR
$3,951 USD
View
A
Retailer 4
-
€3,571 EUR
$3,989 USD
View
A
Retailer 5
-
€3,861 EUR
$4,313 USD
View
Final sale: no returns
A
Retailer 6
-
€3,920 EUR
$4,380 USD
View
Retailer 7
-
€4,040 EUR
$4,514 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
€4,968 EUR
£4,371 GBP
View
A
Retailer 9
-
€5,115 EUR
$5,715 USD
View
A
Retailer 10
-
€5,217 EUR
$5,829 USD
View
B+
Retailer 11
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€6,066 EUR
$6,777 USD
View
B+
Retailer 12
-
€6,673 EUR
$7,455 USD
View
B+
Retailer 13
-
€7,162 EUR
View
B+
Retailer 14
-
€8,262 EUR
$9,230 USD
View
B+
Retailer 15
-
€8,992 EUR
£7,910 GBP
View
B+
Retailer 16
-
€10,386 EUR
$11,603 USD
View
B
Retailer 17
-
€16,038 EUR
A$27,566 AUD
View
Most Expensive
B
Do Amore Diamonds
27-D6CEF2128 · Oct 31
€22,440 EUR
$25,070 USD
View
17 more retailers have this diamond
Prices start from €3,261 EURSave up to €19,179 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
3.42ct Marquise
€3,261 EUR