Marquise|Lab Grown|IGI

3.46ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG769664467

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769664467

Diamond specifications and retailer prices

From $4,376 USD
As of October 30, 2026
Save $14,712 USD (77%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $19,088 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.46ct lab-grown marquise diamond

This 3.46ct 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 LG769664467 or 769664467. Listed at 27 retailers as of October 30, 2026, with prices from $4,376 to $19,088, a $14,712 spread on the same certified stone. With Clarity lists it at $19,088. 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

3.46
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769664467
Dimensions14.79 × 7.90 × 4.97 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm7.90 mm3.46 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769664467
Side View
Table 60.0%Crown 37.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 62.9%

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 30
Current: $10,511 USD|Low: $4,201 USD|High: $18,862 USD|Avg: $9,126 USD|-1.1%
Retailer 1
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
Retailer 18
November 1, 2026
Retailer 4$4,376 USD
Retailer 8$4,586 USD
Retailer 10$4,836 USD
Retailer 6$5,076 USD
Retailer 3$5,120 USD
Retailer 7$6,343 USD
Retailer 14$6,580 USD
Retailer 2$6,605 USD
Retailer 18$7,395 USD
Retailer 5$8,040 USD
Retailer 15$8,800 USD
Retailer 17$9,110 USD
Retailer 13$9,495 USD
Retailer 1$10,511 USD
Retailer 11$11,686 USD
Retailer 16$11,785 USD
Retailer 9$17,426 USD
Retailer 12$18,125 USD

40 data points across 18 retailers

27 retailers$4,376 USD to $19,088 USD

A
Cheapest Retailer
-
$4,376 USD
A
Retailer 2
-
$4,586 USD
View
A
Retailer 3
-
$4,742 USD
View
A
Retailer 4
-
$4,836 USD
View
A
Retailer 5
-
$4,900 USD
View
Final sale: no returns
Retailer 6
-
$5,076 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$5,076 USD
View
A
Retailer 8
-
$5,120 USD
View
A
Retailer 9
-
$6,016 USD
HK$47,000 HKD
View
A
Retailer 10
-
$6,343 USD
View
A
Retailer 11
-
$6,580 USD
£5,181 GBP
View
B+
Retailer 12
-
$6,605 USD
View
B+
Retailer 13
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$7,148 USD
£5,628 GBP
View
B+
Retailer 14
-
$7,395 USD
View
Retailer 15
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$8,040 USD
View
Price last confirmed 25 days ago
B+
Retailer 16
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$8,800 USD
View
B+
Retailer 17
-
$9,110 USD
€8,676 EUR
View
B+
Retailer 18
-
$9,495 USD
View
B+
Retailer 19
-
$9,771 USD
View
B+
Retailer 20
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$10,511 USD
£8,276 GBP
View
B
Retailer 21
-
$11,686 USD
A$17,978 AUD
View
B+
Retailer 22
-
$11,785 USD
ZAR 190,390 ZAR
View
B
Retailer 23
-
$14,792 USD
View
B
Retailer 24
-
$17,426 USD
SGD 23,548 SGD
View
B
Retailer 25
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$18,102 USD
View
B
Retailer 26
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$18,125 USD
A$27,885 AUD
View
Most Expensive
B
With Clarity
769664467 · Oct 31
$19,088 USD
View
26 more retailers have this diamond
Prices start from $4,376 USDSave up to $14,712 USD

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
3.46ct Marquise
$4,376 USD