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Marquise|Lab Grown|IGI

1.14ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG502153687

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502153687

Diamond specifications and retailer prices

From £545 GBP
$730 USD
As of October 31, 2026
Save £978 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,286 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.14ct lab-grown marquise diamond

This 1.14ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502153687 or 502153687. Listed at 17 retailers as of October 29, 2026, with a 180% 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

1.14
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502153687
Dimensions10.64 × 5.48 × 3.36 mm
L/W Ratio1.94
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
10.64 mm5.48 mm1.14 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502153687
Side View
Table 65.0%Crown 35.9°Girdle: STK-THKPavilion 40°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £2,286 GBP|Low: £545 GBP|High: £2,848 GBP|Avg: £1,373 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 1, 2026
Retailer 11£545 GBP
Retailer 15£714 GBP
Retailer 5£777 GBP
Retailer 7£799 GBP
Retailer 6£828 GBP
Retailer 16£828 GBP
Retailer 8£959 GBP
Retailer 2£1,085 GBP
Retailer 9£1,278 GBP
Retailer 3£1,326 GBP
Retailer 12£1,523 GBP
Retailer 14£1,786 GBP
Retailer 10£2,159 GBP
Flawless Fine Jewelry£2,286 GBP
Retailer 4£2,330 GBP
Retailer 13£2,826 GBP

43 data points across 16 retailers

17 retailers£545 GBP to £1,523 GBP

B+
Cheapest Retailer
-
£545 GBP
$730 USD
B
Retailer 2
-
£714 GBP
$957 USD
View
B
Retailer 3
-
£777 GBP
$1,041 USD
View
B
Retailer 4
-
£799 GBP
$1,071 USD
View
Final sale: no returns
Retailer 5
-
£828 GBP
$1,110 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£828 GBP
$1,110 USD
View
B
Retailer 7
-
£959 GBP
$1,285 USD
View
B
Retailer 8
-
£1,085 GBP
View
B
Retailer 9
-
£1,278 GBP
View
B
Retailer 10
-
£1,326 GBP
$1,777 USD
View
B
Retailer 11
-
£1,523 GBP
ZAR 32,972 ZAR
View
Retailer 12
-
£1,786 GBP
$2,393 USD
View
Price under review
Retailer 13
-
£2,159 GBP
A$4,451 AUD
View
Price under review
Most Expensive
Flawless Fine Jewelry
9684586DD · Oct 31
£2,286 GBP
View
Price under review
13 more retailers have this diamond
Prices start from £545 GBPSave up to £978 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+
1.14ct Marquise
£545 GBP