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Marquise|Lab Grown|IGI

0.97ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG650476463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650476463

Diamond specifications and retailer prices

From £118 GBP
$157 USD
As of October 28, 2026
Save £942 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,060 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.97ct lab-grown marquise diamond

This 0.97ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650476463 or 650476463. Listed at 12 retailers as of October 28, 2026, with prices from £118 to £1,060, a £942 spread on the same certified stone. MOH London lists it at £1,060. 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

0.97
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650476463
Dimensions9.95 × 5.17 × 3.34 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.95 mm5.17 mm0.97 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650476463
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.6%

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: Oct 28
Current: £1,060 GBP|Low: £118 GBP|High: £1,060 GBP|Avg: £290 GBP
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
October 29, 2026
Retailer 11£118 GBP
Retailer 2£126 GBP
Retailer 14£144 GBP
Retailer 7£168 GBP
Retailer 10£184 GBP
Retailer 3£213 GBP
Retailer 5£232 GBP
Retailer 13£237 GBP
Retailer 4£240 GBP
Retailer 8£310 GBP
Retailer 12£346 GBP
Retailer 9£406 GBP
Retailer 6£578 GBP
MOH London£1,060 GBP

2 data points across 14 retailers

12 retailers£118 GBP to £1,060 GBP

A
Cheapest Retailer
-
£118 GBP
$157 USD
A
Retailer 2
-
£126 GBP
$168 USD
View
A
Retailer 3
-
£144 GBP
HK$1,500 HKD
View
A
Retailer 4
-
£168 GBP
View
A
Retailer 5
-
£184 GBP
$245 USD
View
A
Retailer 6
-
£213 GBP
View
A
Retailer 7
-
£237 GBP
$315 USD
View
A
Retailer 8
-
£240 GBP
View
B+
Retailer 9
-
£310 GBP
$412 USD
View
B+
Retailer 10
-
£346 GBP
$460 USD
View
B+
Retailer 11
-
£406 GBP
$539 USD
View
Most Expensive
B
MOH London
LG650476463 · Oct 29
£1,060 GBP
View
11 more retailers have this diamond
Prices start from £118 GBPSave up to £942 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
0.97ct Marquise
£118 GBP