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Marquise|Lab Grown|IGI

3.06ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG780662887

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662887

Diamond specifications and retailer prices

From $3,381 USD
As of October 24, 2026
Save $7,679 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,943 USD at Taylor and Hart · As of October 22, 2026
View at Taylor and Hart

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662887 or 780662887. Listed at 12 retailers as of October 24, 2026, with a 227% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.06
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662887
Dimensions14.84 × 7.59 × 4.77 mm
L/W Ratio1.96
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
14.84 mm7.59 mm3.06 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662887
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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 24
Current: $6,400 USD|Low: $3,381 USD|High: $20,460 USD|Avg: $9,458 USD|-7.3%
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
Taylor and Hart
October 22, 2026
Retailer 8$3,381 USD
Retailer 5$3,501 USD
Retailer 12$4,147 USD
Retailer 2$6,029 USD
Retailer 1$6,400 USD
Retailer 10$7,225 USD
Retailer 14$7,318 USD
Retailer 9$7,757 USD
Retailer 11$10,267 USD
Retailer 3$10,930 USD
Retailer 7$10,947 USD
Retailer 4$11,060 USD
Retailer 13$12,791 USD
Taylor and Hart$16,943 USD
Retailer 6$20,460 USD

26 data points across 15 retailers

12 retailers$3,381 USD to $11,060 USD

A
Cheapest Retailer
-
$3,381 USD
Retailer 2
-
$4,147 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$6,029 USD
HK$47,100 HKD
View
Retailer 4
-
$6,400 USD
£5,040 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
$7,225 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$7,318 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$10,267 USD
£8,084 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
$10,930 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$10,947 USD
ZAR 176,855 ZAR
View
Price last confirmed 10 days ago
B
Retailer 10
-
$11,060 USD
View
Retailer 11
-
$12,791 USD
View
Price last confirmed 8 days ago
Most Expensive
Taylor and Hart
WTDR33F · Oct 22
$16,943 USD
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from $3,381 USDSave up to $7,679 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
3.06ct Marquise
$3,381 USD