Marquise|Lab Grown|IGI

1.33ct K VS1 Marquise Lab Grown Diamond

EX • K/VS1 • IGI LG805636547

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805636547

Diamond specifications and retailer prices

From £313 GBP
As of November 5, 2026
Save £407 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,239 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.33ct lab-grown marquise diamond

This 1.33ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805636547 or 805636547. Listed at 12 retailers as of November 4, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805636547
Dimensions11.18 × 5.77 × 3.65 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
11.18 mm5.77 mm1.33 ctK / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805636547
Side View
Table 58.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,239 GBP|Low: £287 GBP|High: £1,309 GBP|Avg: £607 GBP|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3£313 GBP
Retailer 7£415 GBP
Retailer 6£424 GBP
Retailer 4£522 GBP
Retailer 5£550 GBP
Retailer 2£720 GBP
MOH London£1,239 GBP

19 data points across 7 retailers

12 retailers£313 GBP to £720 GBP

Retailer 1
-
£267 GBP
Price last confirmed 37 days ago
Retailer 2
-
£310 GBP
View
Price last confirmed 38 days ago
B+
Retailer 3
-
£313 GBP
View
Retailer 4
-
£331 GBP
View
Price last confirmed 29 days ago
B+
Retailer 5
-
£415 GBP
View
Retailer 6
-
£424 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£522 GBP
View
Price last confirmed 14 days ago
Retailer 8
-
£550 GBP
View
Price last confirmed 11 days ago
B+
Retailer 9
-
£720 GBP
View
Retailer 10
-
£748 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£1,064 GBP
View
Price last confirmed 37 days ago
Most Expensive
MOH London
LG805636547 · Oct 26
£1,239 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from £313 GBPSave up to £407 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+
1.33ct Marquise
£313 GBP