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Marquise|Lab Grown|IGI

1.86ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG840656930

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840656930

Diamond specifications and retailer prices

From £305 GBP
HK$3,200 HKD
As of November 1, 2026
Save £738 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,121 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.86ct lab-grown marquise diamond

This 1.86ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656930 or 840656930. Listed at 10 retailers as of October 28, 2026, with a 242% 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

1.86
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656930
Dimensions13.17 × 6.51 × 3.97 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.17 mm6.51 mm1.86 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840656930
Side View
Table 66.0%Crown 31.7°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.0%

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: £714 GBP|Low: £248 GBP|High: £1,121 GBP|Avg: £625 GBP|-7.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 2, 2026
Retailer 2£248 GBP
Retailer 7£305 GBP
Retailer 3£391 GBP
Retailer 4£431 GBP
Retailer 9£450 GBP
Retailer 6£465 GBP
Retailer 10£545 GBP
Retailer 1£714 GBP
Retailer 8£1,043 GBP
Retailer 5£1,103 GBP
Reve Diamonds£1,121 GBP

13 data points across 11 retailers

10 retailers£305 GBP to £1,043 GBP

A
Cheapest Retailer
-
£305 GBP
HK$3,200 HKD
Retailer 2
-
£391 GBP
$525 USD
View
Price last confirmed 5 days ago
A
Retailer 3
-
£431 GBP
€551 EUR
View
Retailer 4
-
£450 GBP
$604 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£465 GBP
ZAR 10,081 ZAR
View
Price last confirmed 10 days ago
A
Retailer 6
-
£545 GBP
$732 USD
View
A
Retailer 7
-
£714 GBP
$958 USD
View
B
Retailer 8
-
£1,043 GBP
$1,400 USD
View
Retailer 9
-
£1,103 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
D99743AE2 · Oct 25
£1,121 GBP
$1,505 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from £305 GBPSave up to £738 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
1.86ct Marquise
£305 GBP