Marquise|Lab Grown|IGI

1.05ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG801682698

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682698

Diamond specifications and retailer prices

From £195 GBP
$262 USD
As of November 1, 2026
Save £311 GBP (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £715 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682698 or 801682698. Listed at 13 retailers as of October 27, 2026, with a 159% 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

1.05
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682698
Dimensions10.59 × 5.32 × 3.20 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm5.32 mm1.05 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682698
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

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: Nov 1
Current: £477 GBP|Low: £195 GBP|High: £747 GBP|Avg: £386 GBP|-35.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£195 GBP
Retailer 6£249 GBP
Retailer 7£252 GBP
Retailer 4£265 GBP
Retailer 5£275 GBP
Retailer 2£370 GBP
Retailer 9£383 GBP
Retailer 11£395 GBP
Brilliant Earth£477 GBP
Retailer 10£506 GBP
Retailer 8£678 GBP

35 data points across 11 retailers

13 retailers£195 GBP to £506 GBP

B+
Cheapest Retailer
-
£195 GBP
$262 USD
A
Retailer 2
-
£249 GBP
€318 EUR
View
A
Retailer 3
-
£252 GBP
View
A
Retailer 4
-
£265 GBP
$355 USD
View
Retailer 5
-
£274 GBP
View
Price last confirmed 18 days ago
A
Retailer 6
-
£275 GBP
View
B+
Retailer 7
-
£370 GBP
$496 USD
View
Retailer 8
-
£383 GBP
$514 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£395 GBP
$530 USD
View
B
Retailer 10
-
£477 GBP
$640 USD
View
B
Retailer 11
-
£506 GBP
$679 USD
View
Retailer 12
-
£678 GBP
View
Price last confirmed 7 days ago
Most Expensive
Brilliant Earth
20613904A · Oct 21
£715 GBP
$960 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from £195 GBPSave up to £311 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
1.05ct Marquise
£195 GBP