CaratHunter
Plans
Marquise|Lab Grown|IGI

3.00ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG848604481

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848604481

Diamond specifications and retailer prices

From £588 GBP
As of November 6, 2026
Save £1,035 GBP (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,623 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848604481 or 848604481. Listed at 4 retailers as of November 5, 2026, with prices from £588 to £1,623, a £1,035 spread on the same certified stone. MOH London lists it at £1,623. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848604481
Dimensions15.19 × 7.46 × 4.36 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.19 mm7.46 mm3.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848604481
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 38°Culet: NoneDepth 58.4%

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: Nov 6
Current: £1,623 GBP|Low: £588 GBP|High: £1,636 GBP|Avg: £1,024 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£588 GBP
Retailer 2£726 GBP
Retailer 4£1,127 GBP
MOH London£1,623 GBP

14 data points across 4 retailers

4 retailers£588 GBP to £1,623 GBP

B+
Cheapest Retailer
-
£588 GBP
B+
Retailer 2
-
£726 GBP
View
B+
Retailer 3
-
£1,127 GBP
View
Most Expensive
B
MOH London
LG848604481 · Nov 5
£1,623 GBP
View
3 more retailers have this diamond
Prices start from £588 GBPSave up to £1,035 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+
3.00ct Marquise
£588 GBP