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Marquise|Lab Grown|IGI

0.70ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG693525513

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG693525513

Diamond specifications and retailer prices

From £68 GBP
$91 USD
As of October 30, 2026
Save £553 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £621 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG693525513 or 693525513. Listed at 11 retailers as of October 29, 2026, with prices from £68 to £621, a £553 spread on the same certified stone. MOH London lists it at £621. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693525513
Dimensions9.08 × 4.57 × 2.96 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm4.57 mm0.70 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG693525513
Side View
Table 61.0%Crown 35°Girdle: Slightly ThickPavilion 42.5°Culet: NoneDepth 64.8%

Caratlytics Score

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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 30
Current: £621 GBP|Low: £68 GBP|High: £621 GBP|Avg: £221 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
Retailer 15
October 31, 2026
Retailer 10£68 GBP
Retailer 14£78 GBP
Retailer 11£90 GBP
Retailer 15£105 GBP
Retailer 13£142 GBP
Retailer 8£155 GBP
Retailer 4£177 GBP
Retailer 3£183 GBP
Retailer 5£222 GBP
Retailer 12£263 GBP
Retailer 2£270 GBP
Retailer 7£282 GBP
Retailer 9£302 GBP
Retailer 6£412 GBP
MOH London£621 GBP

4 data points across 15 retailers

11 retailers£68 GBP to £621 GBP

A
Cheapest Retailer
-
£68 GBP
$91 USD
A
Retailer 2
-
£78 GBP
$105 USD
View
A
Retailer 3
-
£90 GBP
$120 USD
View
A
Retailer 4
-
£105 GBP
HK$1,100 HKD
View
A
Retailer 5
-
£155 GBP
View
A
Retailer 6
-
£177 GBP
$237 USD
View
B+
Retailer 7
-
£183 GBP
View
B+
Retailer 8
-
£263 GBP
$353 USD
View
B+
Retailer 9
-
£270 GBP
$362 USD
View
B+
Retailer 10
-
£302 GBP
$404 USD
View
Most Expensive
B
MOH London
LG693525513 · Oct 29
£621 GBP
View
10 more retailers have this diamond
Prices start from £68 GBPSave up to £553 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
£68 GBP