CaratHunter
Plans
Marquise|Lab Grown|IGI

3.04ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG840660723

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840660723

Diamond specifications and retailer prices

From £285 GBP
As of November 3, 2026
Save £1,423 GBP (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,708 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.04ct lab-grown marquise diamond

This 3.04ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840660723 or 840660723. Listed at 4 retailers as of November 3, 2026, with prices from £285 to £1,708, a £1,423 spread on the same certified stone. Brilliant Earth lists it at £1,708. 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

3.04
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840660723
Dimensions14.36 × 7.58 × 4.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.36 mm7.58 mm3.04 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840660723
Side View
Table 63.0%Crown 37.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.0%

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 3
Current: £1,708 GBP|Low: £285 GBP|High: £2,960 GBP|Avg: £1,320 GBP|-42.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 3£285 GBP
Retailer 2£582 GBP
Retailer 4£1,555 GBP
Brilliant Earth£1,708 GBP

30 data points across 4 retailers

4 retailers£285 GBP to £1,708 GBP

A
Cheapest Retailer
-
£285 GBP
Final sale: no returns
A
Retailer 2
-
£582 GBP
View
Retailer 3
-
£1,555 GBP
View
Price last confirmed 21 days ago
Most Expensive
B+
Brilliant Earth
21623226A · Nov 3
£1,708 GBP
$2,290 USD
View
3 more retailers have this diamond
Prices start from £285 GBPSave up to £1,423 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
3.04ct Marquise
£285 GBP