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Marquise|Lab Grown|IGI

1.05ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG817653612

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817653612

Diamond specifications and retailer prices

From £172 GBP
As of October 27, 2026
Save £320 GBP (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £775 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG817653612 or 817653612. Listed at 17 retailers as of October 27, 2026, with a 186% 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 angle32.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653612
Dimensions11.31 × 5.08 × 4.28 mm
L/W Ratio2.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm5.08 mm1.05 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817653612
Side View
Table 56.0%Crown 32.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 62.4%

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 27
Current: £339 GBP|Low: £126 GBP|High: £820 GBP|Avg: £383 GBP|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 11£126 GBP
Retailer 7£172 GBP
Retailer 3£190 GBP
Retailer 6£242 GBP
Retailer 8£243 GBP
Retailer 10£256 GBP
Retailer 5£266 GBP
Retailer 1£339 GBP
Retailer 2£395 GBP
Retailer 4£477 GBP
Retailer 12£492 GBP
Retailer 9£656 GBP
Reve Diamonds£775 GBP

35 data points across 13 retailers

17 retailers£172 GBP to £492 GBP

Retailer 1
-
£127 GBP
$171 USD
Price last confirmed 25 days ago
Retailer 2
-
£148 GBP
$198 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£158 GBP
$212 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£172 GBP
View
B+
Retailer 5
-
£190 GBP
$255 USD
View
A
Retailer 6
-
£242 GBP
€309 EUR
View
A
Retailer 7
-
£243 GBP
View
A
Retailer 8
-
£256 GBP
$344 USD
View
A
Retailer 9
-
£266 GBP
View
Retailer 10
-
£274 GBP
View
Price last confirmed 17 days ago
B+
Retailer 11
-
£339 GBP
$455 USD
View
B+
Retailer 12
-
£395 GBP
$530 USD
View
B
Retailer 13
-
£477 GBP
$640 USD
View
B+
Retailer 14
-
£492 GBP
$660 USD
View
Retailer 15
-
£507 GBP
$680 USD
View
Price last confirmed 33 days ago
Retailer 16
-
£656 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
861B15CC6 · Oct 25
£775 GBP
$1,039 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £172 GBPSave up to £320 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
£172 GBP