CaratHunter
Plans
Marquise|Lab Grown|IGI

1.06ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436072662

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072662

Diamond specifications and retailer prices

From £449 GBP
As of November 6, 2026
Save £1,960 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,409 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.06ct lab-grown marquise diamond

This 1.06ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072662 or 436072662. Listed at 13 retailers as of November 5, 2026, with prices from £449 to £2,409, a £1,960 spread on the same certified stone. MOH London lists it at £2,409. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.06
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072662
Dimensions9.73 × 5.41 × 3.44 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.73 mm5.41 mm1.06 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072662
Side View
Table 58.5%Crown 36°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.6%

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 6
Current: £2,409 GBP|Low: £431 GBP|High: £2,449 GBP|Avg: £954 GBP|-0.3%
MOH London
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
November 6, 2026
Retailer 10£449 GBP
Retailer 7£453 GBP
Retailer 4£502 GBP
Retailer 14£502 GBP
Retailer 3£556 GBP
Retailer 11£556 GBP
Retailer 8£654 GBP
Retailer 2£754 GBP
Retailer 13£853 GBP
Retailer 6£876 GBP
Retailer 9£1,380 GBP
Retailer 12£1,464 GBP
Retailer 5£1,698 GBP
MOH London£2,409 GBP

41 data points across 14 retailers

13 retailers£449 GBP to £2,409 GBP

A
Cheapest Retailer
-
£449 GBP
A
Retailer 2
-
£453 GBP
View
A
Retailer 3
-
£502 GBP
View
Final sale: no returns
A
Retailer 4
-
£502 GBP
View
Retailer 5
-
£556 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£556 GBP
View
B+
Retailer 7
-
£654 GBP
View
B+
Retailer 8
-
£754 GBP
View
B+
Retailer 9
-
£853 GBP
View
B
Retailer 10
-
£1,380 GBP
View
B
Retailer 11
-
£1,464 GBP
View
B
Retailer 12
-
£1,698 GBP
View
Most Expensive
B
MOH London
LG436072662 · Nov 5
£2,409 GBP
View
12 more retailers have this diamond
Prices start from £449 GBPSave up to £1,960 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
1.06ct Marquise
£449 GBP