Marquise|Lab Grown|IGI

0.86ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG805672651

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805672651

Diamond specifications and retailer prices

From £134 GBP
HK$1,400 HKD
As of November 1, 2026
Save £404 GBP (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £985 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 0.86ct lab-grown marquise diamond

This 0.86ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672651 or 805672651. Listed at 16 retailers as of October 28, 2026, with a 302% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.86
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672651
Dimensions10.20 × 5.01 × 2.88 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm5.01 mm0.86 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672651
Side View
Table 66.0%Crown 35.2°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 57.5%

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 1
Current: £985 GBP|Low: £91 GBP|High: £1,001 GBP|Avg: £284 GBP|-1.5%
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
Retailer 16
Retailer 17
October 27, 2026
Retailer 14£95 GBP
Retailer 6£105 GBP
Retailer 12£110 GBP
Retailer 3£117 GBP
Retailer 11£149 GBP
Retailer 13£170 GBP
Retailer 10£189 GBP
Retailer 8£192 GBP
Retailer 17£205 GBP
Retailer 4£223 GBP
Retailer 5£256 GBP
Retailer 16£289 GBP
Retailer 7£297 GBP
Retailer 9£325 GBP
Retailer 15£377 GBP
Retailer 2£537 GBP
MOH London£985 GBP

36 data points across 17 retailers

16 retailers£134 GBP to £537 GBP

Retailer 1
-
£95 GBP
$127 USD
Price last confirmed 9 days ago
Retailer 2
-
£110 GBP
$147 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£117 GBP
$157 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£134 GBP
HK$1,400 HKD
View
Retailer 5
-
£170 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£189 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
£192 GBP
$257 USD
View
Price last confirmed 12 days ago
Retailer 8
-
£205 GBP
€262 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
£223 GBP
$299 USD
View
Price last confirmed 14 days ago
Retailer 10
-
£256 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£289 GBP
$387 USD
View
Retailer 12
-
£297 GBP
$398 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£325 GBP
SGD 589 SGD
View
Price last confirmed 8 days ago
Retailer 14
-
£377 GBP
$505 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
£537 GBP
$720 USD
View
Most Expensive
MOH London
LG805672651 · Oct 19
£985 GBP
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from £134 GBPSave up to £404 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
0.86ct Marquise
£134 GBP