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Marquise|Lab Grown|IGI

0.70ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG538286807

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538286807

Diamond specifications and retailer prices

From £293 GBP
$390 USD
As of October 28, 2026
13 retailers carry this diamond
Most expensive: £801 GBP at Reve Diamonds · As of October 14, 2026
View at Reve Diamonds

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538286807 or 538286807. Listed at 13 retailers as of October 28, 2026. 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

0.70
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538286807
Dimensions9.34 × 4.59 × 2.91 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.34 mm4.59 mm0.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538286807
Side View
Table 56.5%Crown 35.8°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £257 GBP|Low: £95 GBP|High: £802 GBP|Avg: £354 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 14, 2026
Retailer 7£120 GBP
Retailer 5£134 GBP
Retailer 13£140 GBP
Retailer 2£149 GBP
Retailer 9£149 GBP
Retailer 1£257 GBP
Retailer 11£270 GBP
Retailer 8£293 GBP
Retailer 3£322 GBP
Retailer 12£458 GBP
Retailer 10£480 GBP
Retailer 4£521 GBP
Retailer 6£706 GBP
Reve Diamonds£801 GBP

28 data points across 14 retailers

13 retailers

A
Retailer 1
-
£120 GBP
$160 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£140 GBP
$186 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
£149 GBP
$199 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
£149 GBP
$199 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
£257 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
£270 GBP
$359 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
£293 GBP
$390 USD
View
B
Retailer 8
-
£336 GBP
HK$3,500 HKD
View
Price last confirmed 17 days ago
B
Retailer 9
-
£458 GBP
$610 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
£480 GBP
$639 USD
View
Price last confirmed 29 days ago
B
Retailer 11
-
£521 GBP
$693 USD
View
Price last confirmed 17 days ago
B
Retailer 12
-
£706 GBP
View
Price last confirmed 17 days ago
Most Expensive
B
Reve Diamonds
705992B9C · Oct 14
£801 GBP
$1,067 USD
View
Price last confirmed 15 days ago
12 more retailers have this diamond
Prices start from £293 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
0.70ct Marquise
£293 GBP