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Marquise|Lab Grown|IGI

1.27ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG674531453

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG674531453

Diamond specifications and retailer prices

From £329 GBP
As of November 6, 2026
Save £164 GBP (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £572 GBP at Novita Diamonds · As of September 1, 2026
View at Novita Diamonds

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG674531453 or 674531453. Listed at 4 retailers as of November 6, 2026, with a 50% 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

1.27
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674531453
Dimensions11.71 × 5.65 × 3.46 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Top View
11.71 mm5.65 mm1.27 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674531453
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £572 GBP|Low: £151 GBP|High: £1,838 GBP|Avg: £645 GBP
Novita 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
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Retailer 16
October 31, 2026
Retailer 4£151 GBP
Retailer 3£288 GBP
Retailer 10£294 GBP
Retailer 12£316 GBP
Retailer 9£329 GBP
Retailer 14£430 GBP
Retailer 11£442 GBP
Retailer 2£494 GBP
Retailer 16£507 GBP
Novita Diamonds£572 GBP
Retailer 7£662 GBP
Retailer 15£944 GBP
Retailer 8£962 GBP
Retailer 5£1,020 GBP
Retailer 6£1,068 GBP
Retailer 13£1,838 GBP

6 data points across 16 retailers

4 retailers£329 GBP to £494 GBP

A
Cheapest Retailer
-
£329 GBP
B+
Retailer 2
-
£494 GBP
View
Retailer 3
-
£507 GBP
View
Price last confirmed 82 days ago
Most Expensive
Novita Diamonds
cert_674531453 · Sep 1
£572 GBP
A$1,177 AUD
View
Price last confirmed 66 days ago
3 more retailers have this diamond
Prices start from £329 GBPSave up to £164 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
1.27ct Marquise
£329 GBP