CaratHunter
Plans
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 £4,499 GBP
HK$47,100 HKD
As of October 31, 2026
Save £3,755 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £12,645 GBP 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 28, 2026, with a 83% 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
Colour
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 →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,777 GBP|Low: £2,523 GBP|High: £15,270 GBP|Avg: £7,059 GBP|-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£2,523 GBP
Retailer 5£2,613 GBP
Retailer 12£3,095 GBP
Retailer 2£4,499 GBP
Retailer 1£4,777 GBP
Retailer 10£5,392 GBP
Retailer 14£5,462 GBP
Retailer 9£5,790 GBP
Retailer 11£7,662 GBP
Retailer 3£8,157 GBP
Retailer 7£8,170 GBP
Retailer 4£8,254 GBP
Retailer 13£9,546 GBP
Taylor and Hart£12,645 GBP
Retailer 6£15,270 GBP

26 data points across 15 retailers

12 retailers£4,499 GBP to £8,254 GBP

Retailer 1
-
£2,523 GBP
$3,381 USD
Price last confirmed 7 days ago
Retailer 2
-
£3,095 GBP
$4,147 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£4,499 GBP
HK$47,100 HKD
View
Retailer 4
-
£4,777 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£5,392 GBP
$7,225 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£5,462 GBP
$7,318 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£7,662 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£8,157 GBP
$10,930 USD
View
Price last confirmed 9 days ago
Retailer 9
-
£8,170 GBP
ZAR 176,855 ZAR
View
Price last confirmed 11 days ago
B
Retailer 10
-
£8,254 GBP
$11,060 USD
View
Retailer 11
-
£9,546 GBP
$12,791 USD
View
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
WTDR33F · Oct 22
£12,645 GBP
$16,943 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from £4,499 GBPSave up to £3,755 GBP

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+
3.06ct Marquise
£4,499 GBP