CaratHunter
Plans
Marquise|Lab Grown|IGI

3.01ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG831627355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831627355

Diamond specifications and retailer prices

From £1,917 GBP
$2,572 USD
As of November 2, 2026
Save £5,839 GBP (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,755 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831627355 or 831627355. Listed at 18 retailers as of October 31, 2026, with prices from £1,917 to £7,755, a £5,839 spread on the same certified stone. Taylor and Hart lists it at £7,755. 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

3.01
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831627355
Dimensions15.67 × 7.48 × 4.54 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.67 mm7.48 mm3.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831627355
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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: Nov 2
Current: £3,002 GBP|Low: £1,917 GBP|High: £9,165 GBP|Avg: £3,950 GBP|-15.8%
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
Retailer 15
Retailer 16
Taylor and Hart
November 2, 2026
Retailer 7£1,917 GBP
Retailer 12£2,085 GBP
Retailer 2£2,146 GBP
Retailer 5£2,224 GBP
Retailer 15£2,344 GBP
Retailer 16£2,481 GBP
Retailer 1£3,002 GBP
Retailer 4£3,056 GBP
Retailer 14£3,262 GBP
Retailer 13£3,464 GBP
Retailer 6£4,213 GBP
Retailer 8£4,497 GBP
Retailer 10£5,020 GBP
Retailer 11£5,163 GBP
Retailer 3£5,936 GBP
Retailer 9£5,953 GBP
Taylor and Hart£7,755 GBP

35 data points across 17 retailers

18 retailers£1,917 GBP to £7,755 GBP

A
Cheapest Retailer
-
£1,917 GBP
$2,572 USD
A
Retailer 2
-
£2,085 GBP
$2,798 USD
View
A
Retailer 3
-
£2,146 GBP
$2,880 USD
View
Final sale: no returns
A
Retailer 4
-
£2,224 GBP
$2,984 USD
View
Retailer 5
-
£2,255 GBP
$3,026 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£2,344 GBP
$3,145 USD
View
A
Retailer 7
-
£2,481 GBP
$3,330 USD
View
A
Retailer 8
-
£3,002 GBP
View
A
Retailer 9
-
£3,056 GBP
$4,101 USD
View
A
Retailer 10
-
£3,262 GBP
$4,378 USD
View
A
Retailer 11
-
£3,464 GBP
$4,648 USD
View
A
Retailer 12
-
£4,213 GBP
View
Retailer 13
-
£4,497 GBP
$6,035 USD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
£5,020 GBP
A$10,364 AUD
View
B+
Retailer 15
-
£5,163 GBP
ZAR 111,926 ZAR
View
B+
Retailer 16
-
£5,936 GBP
$7,966 USD
View
B+
Retailer 17
-
£5,953 GBP
View
Most Expensive
B
Taylor and Hart
C1ZH72Y · Oct 31
£7,755 GBP
$10,407 USD
View
17 more retailers have this diamond
Prices start from £1,917 GBPSave up to £5,839 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
3.01ct Marquise
£1,917 GBP