Marquise|Lab Grown|IGI

3.06ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG833644436

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833644436

Diamond specifications and retailer prices

From £550 GBP
As of November 4, 2026
Save £790 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,615 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833644436 or 833644436. Listed at 7 retailers as of November 4, 2026, with a 144% 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644436
Dimensions14.95 × 7.66 × 4.60 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.95 mm7.66 mm3.06 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644436
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 60.1%

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 4
Current: £1,615 GBP|Low: £550 GBP|High: £1,615 GBP|Avg: £929 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£550 GBP
Retailer 5£577 GBP
Retailer 2£616 GBP
Retailer 4£772 GBP
Retailer 7£1,134 GBP
Retailer 3£1,340 GBP
Rare Carat£1,615 GBP

23 data points across 7 retailers

7 retailers£550 GBP to £1,340 GBP

B+
Cheapest Retailer
-
£550 GBP
A
Retailer 2
-
£577 GBP
View
A
Retailer 3
-
£616 GBP
View
A
Retailer 4
-
£772 GBP
View
B+
Retailer 5
-
£1,134 GBP
View
B+
Retailer 6
-
£1,340 GBP
View
Most Expensive
Rare Carat
221001475523_l_833644436 · Oct 28
£1,615 GBP
$2,180 USD
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from £550 GBPSave up to £790 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
3.06ct Marquise
£550 GBP