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Marquise|Lab Grown|IGI

1.00ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG508156263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508156263

Diamond specifications and retailer prices

From £669 GBP
As of November 4, 2026
Save £577 GBP (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,727 GBP at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG508156263 or 508156263. Listed at 16 retailers as of November 4, 2026, with a 86% 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

1.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156263
Dimensions10.52 × 5.10 × 3.05 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.52 mm5.10 mm1.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156263
Side View
Table 56.0%Crown 33.8°Girdle: STK-VTKPavilion 37.6°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,727 GBP|Low: £642 GBP|High: £2,667 GBP|Avg: £1,350 GBP
Friendly Diamonds
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
November 4, 2026
Retailer 10£669 GBP
Retailer 11£726 GBP
Retailer 3£728 GBP
Retailer 4£749 GBP
Retailer 12£776 GBP
Retailer 6£907 GBP
Retailer 2£1,183 GBP
Retailer 13£1,246 GBP
Retailer 7£1,428 GBP
Friendly Diamonds£1,727 GBP
Retailer 9£2,022 GBP
Retailer 5£2,144 GBP
Retailer 14£2,182 GBP
Retailer 8£2,633 GBP

44 data points across 14 retailers

16 retailers£669 GBP to £1,246 GBP

B+
Cheapest Retailer
-
£669 GBP
B
Retailer 2
-
£726 GBP
View
B
Retailer 3
-
£728 GBP
View
B
Retailer 4
-
£749 GBP
View
Final sale: no returns
Retailer 5
-
£776 GBP
View
Price last confirmed 18 days ago
B
Retailer 6
-
£776 GBP
View
B
Retailer 7
-
£907 GBP
View
B
Retailer 8
-
£1,183 GBP
View
B
Retailer 9
-
£1,246 GBP
View
Retailer 10
-
£1,428 GBP
View
Price under review
Most Expensive
Friendly Diamonds
2234009 · Nov 4
£1,727 GBP
$2,331 USD
View
Price under review
10 more retailers have this diamond
Prices start from £669 GBPSave up to £577 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.

B+
1.00ct Marquise
£669 GBP