Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG814643390

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG814643390

Diamond specifications and retailer prices

From $14,290 USD
As of October 24, 2026
Save $1,540 USD (10%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $15,830 USD at Do Amore Diamonds · As of October 24, 2026
View at Do Amore Diamonds

About this 3ct lab-grown marquise diamond

This 3ct 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 LG814643390 or 814643390. Listed at 4 retailers as of October 24, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814643390
Dimensions14.45 × 7.01 × 4.51 mm
L/W Ratio2.06
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.45 mm7.01 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814643390
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 64.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 24
Current: $14,290 USD|Low: $1,610 USD|High: $14,290 USD|Avg: $5,965 USD|+46.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 24, 2026
Retailer 5$1,610 USD
Retailer 2$2,684 USD
Retailer 3$4,205 USD
Retailer 6$4,788 USD
Retailer 7$6,083 USD
Retailer 4$10,343 USD
Do Amore Diamonds$14,290 USD

2 data points across 7 retailers

4 retailers$14,290 USD to $15,830 USD

Retailer 1
-
$4,205 USD
Price last confirmed 7 days ago
Retailer 2
-
$10,343 USD
£8,144 GBP
View
Price last confirmed 7 days ago
B
Retailer 3
-
$14,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-81276C8CE · Oct 24
$15,830 USD
View
3 more retailers have this diamond
Prices start from $14,290 USDSave up to $1,540 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.

B
3.00ct Marquise
$14,290 USD