Marquise|Lab Grown|IGI

1.26ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831648673

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831648673

Diamond specifications and retailer prices

From £191 GBP
HK$2,000 HKD
As of November 1, 2026
Save £428 GBP (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £848 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.26ct lab-grown marquise diamond

This 1.26ct 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 LG831648673 or 831648673. Listed at 19 retailers as of October 31, 2026, with a 224% 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

1.26
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648673
Dimensions10.72 × 5.63 × 3.66 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm5.63 mm1.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648673
Side View
Table 56.0%Crown 37.8°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £302 GBP|Low: £149 GBP|High: £848 GBP|Avg: £424 GBP|+3.9%
Retailer 1
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
Retailer 15
Reve Diamonds
October 27, 2026
Retailer 4£152 GBP
Retailer 7£191 GBP
Retailer 13£203 GBP
Retailer 8£279 GBP
Retailer 9£285 GBP
Retailer 12£298 GBP
Retailer 1£302 GBP
Retailer 3£346 GBP
Retailer 14£425 GBP
Retailer 11£511 GBP
Retailer 6£551 GBP
Retailer 2£562 GBP
Retailer 5£582 GBP
Retailer 15£619 GBP
Retailer 10£792 GBP
Reve Diamonds£848 GBP

39 data points across 16 retailers

19 retailers£191 GBP to £619 GBP

Retailer 1
-
£136 GBP
$182 USD
Price last confirmed 16 days ago
Retailer 2
-
£157 GBP
$211 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£169 GBP
$226 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
£191 GBP
HK$2,000 HKD
View
Retailer 5
-
£203 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£279 GBP
€356 EUR
View
Retailer 7
-
£285 GBP
ZAR 6,168 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
£298 GBP
$399 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£302 GBP
View
A
Retailer 10
-
£346 GBP
$464 USD
View
B+
Retailer 11
-
£425 GBP
$570 USD
View
B
Retailer 12
-
£511 GBP
$685 USD
View
Retailer 13
-
£542 GBP
$726 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
£551 GBP
SGD 998 SGD
View
B
Retailer 15
-
£562 GBP
$753 USD
View
B+
Retailer 16
-
£582 GBP
$780 USD
View
B
Retailer 17
-
£619 GBP
$830 USD
View
Retailer 18
-
£792 GBP
View
Price last confirmed 12 days ago
Most Expensive
Reve Diamonds
69C93A90F · Oct 25
£848 GBP
$1,137 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from £191 GBPSave up to £428 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
1.26ct Marquise
£191 GBP