CaratHunter
Plans
Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG762544972

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762544972

Diamond specifications and retailer prices

From £2,384 GBP
$3,194 USD
As of October 30, 2026
Save £9,554 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £11,938 GBP 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 LG762544972 or 762544972. Listed at 15 retailers as of October 30, 2026, with prices from £2,384 to £11,938, a £9,554 spread on the same certified stone. Taylor and Hart lists it at £11,938. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544972
Dimensions15.11 × 7.40 × 4.73 mm
L/W Ratio2.04
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 IIa
Top View
15.11 mm7.40 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544972
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,419 GBP|Low: £2,827 GBP|High: £14,612 GBP|Avg: £6,893 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3£2,945 GBP
Retailer 8£4,254 GBP
Retailer 1£4,419 GBP
Retailer 10£5,159 GBP
Retailer 6£5,498 GBP
Retailer 11£6,538 GBP
Retailer 7£7,258 GBP
Retailer 12£7,706 GBP
Retailer 5£7,824 GBP
Retailer 9£8,506 GBP
Retailer 4£9,014 GBP
Retailer 2£14,612 GBP

41 data points across 12 retailers

15 retailers£2,384 GBP to £11,938 GBP

A
Cheapest Retailer
-
£2,384 GBP
$3,194 USD
A
Retailer 2
-
£2,945 GBP
$3,946 USD
View
A
Retailer 3
-
£4,251 GBP
HK$44,500 HKD
View
A
Retailer 4
-
£4,254 GBP
$5,700 USD
View
A
Retailer 5
-
£4,419 GBP
View
B+
Retailer 6
-
£5,159 GBP
$6,912 USD
View
B+
Retailer 7
-
£5,498 GBP
€7,016 EUR
View
B+
Retailer 8
-
£6,538 GBP
$8,760 USD
View
B+
Retailer 9
-
£7,258 GBP
View
B
Retailer 10
-
£7,706 GBP
$10,325 USD
View
B+
Retailer 11
-
£7,824 GBP
ZAR 169,362 ZAR
View
Retailer 12
-
£8,506 GBP
A$17,534 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£9,014 GBP
$12,078 USD
View
Most Expensive
B
Taylor and Hart
L8M0R6T · Oct 30
£11,938 GBP
$15,996 USD
View
13 more retailers have this diamond
Prices start from £2,384 GBPSave up to £9,554 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.

A
3.05ct Marquise
£2,384 GBP