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Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG749505354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG749505354

Diamond specifications and retailer prices

From $1,943 USD
As of October 27, 2026
Save $5,948 USD (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,891 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749505354 or 749505354. Listed at 24 retailers as of October 27, 2026, with prices from $1,943 to $7,891, a $5,948 spread on the same certified stone. Taylor and Hart lists it at $7,891. 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

3.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749505354
Dimensions14.18 × 7.52 × 4.92 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.18 mm7.52 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749505354
Side View
Table 61.0%Crown 37.4°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.4%

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 27
Current: $3,100 USD|Low: $2,176 USD|High: $7,898 USD|Avg: $4,740 USD|-4.8%
Retailer 1
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Retailer 19
Taylor and Hart
October 30, 2026
Retailer 16$2,373 USD
Retailer 4$2,392 USD
Retailer 18$2,420 USD
Retailer 11$2,598 USD
Retailer 1$3,100 USD
Retailer 15$3,222 USD
Retailer 5$3,295 USD
Retailer 2$3,378 USD
Retailer 14$3,557 USD
Retailer 9$4,282 USD
Retailer 17$5,098 USD
Retailer 12$5,234 USD
Retailer 3$5,583 USD
Retailer 19$5,818 USD
Retailer 10$6,385 USD
Retailer 13$6,471 USD
Retailer 7$6,756 USD
Retailer 8$7,526 USD
Retailer 6$7,620 USD
Taylor and Hart$7,891 USD

37 data points across 20 retailers

24 retailers$1,943 USD to $7,891 USD

A
Cheapest Retailer
-
$1,943 USD
A
Retailer 2
-
$2,254 USD
View
A
Retailer 3
-
$2,373 USD
View
Final sale: no returns
A
Retailer 4
-
$2,392 USD
View
A
Retailer 5
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$2,420 USD
View
A
Retailer 6
-
$2,598 USD
HK$20,300 HKD
View
A
Retailer 7
-
$3,098 USD
View
A
Retailer 8
-
$3,100 USD
£2,441 GBP
View
A
Retailer 9
-
$3,222 USD
View
A
Retailer 10
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$3,295 USD
View
A
Retailer 11
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$3,378 USD
View
A
Retailer 12
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$3,557 USD
€3,388 EUR
View
A
Retailer 13
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$4,282 USD
£3,372 GBP
View
Retailer 14
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$5,098 USD
A$7,843 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$5,234 USD
ZAR 84,550 ZAR
View
A
Retailer 16
-
$5,583 USD
View
A
Retailer 17
-
$5,818 USD
View
B+
Retailer 18
-
$6,078 USD
View
Retailer 19
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$6,385 USD
View
Price last confirmed 32 days ago
B+
Retailer 20
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$6,471 USD
£5,095 GBP
View
B+
Retailer 21
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$6,756 USD
View
B+
Retailer 22
-
$7,526 USD
SGD 10,170 SGD
View
B+
Retailer 23
-
$7,620 USD
View
Most Expensive
B+
Taylor and Hart
8NDQP6W · Oct 30
$7,891 USD
View
23 more retailers have this diamond
Prices start from $1,943 USDSave up to $5,948 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
3.05ct Marquise
$1,943 USD