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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG826685431

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826685431

Diamond specifications and retailer prices

From £144 GBP
As of November 4, 2026
Save £728 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £872 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826685431 or 826685431. Listed at 19 retailers as of November 4, 2026, with prices from £144 to £872, a £728 spread on the same certified stone. Reve Diamonds lists it at £872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826685431
Dimensions10.90 × 5.76 × 3.61 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm5.76 mm1.30 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826685431
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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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: Nov 4
Current: £239 GBP|Low: £139 GBP|High: £889 GBP|Avg: £416 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 2£144 GBP
Retailer 3£179 GBP
Retailer 1£239 GBP
Retailer 11£309 GBP
Retailer 5£313 GBP
Retailer 13£313 GBP
Retailer 7£324 GBP
Retailer 10£436 GBP
Retailer 9£461 GBP
Retailer 6£515 GBP
Retailer 4£576 GBP
Retailer 12£622 GBP
Retailer 8£837 GBP

36 data points across 13 retailers

19 retailers£144 GBP to £872 GBP

A
Cheapest Retailer
-
£144 GBP
A
Retailer 2
-
£161 GBP
View
Final sale: no returns
A
Retailer 3
-
£167 GBP
View
Retailer 4
-
£179 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£179 GBP
View
A
Retailer 6
-
£239 GBP
View
A
Retailer 7
-
£309 GBP
View
A
Retailer 8
-
£313 GBP
View
Retailer 9
-
£313 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£324 GBP
View
B+
Retailer 11
-
£387 GBP
View
A
Retailer 12
-
£436 GBP
View
B+
Retailer 13
-
£461 GBP
View
B+
Retailer 14
-
£515 GBP
View
B+
Retailer 15
-
£576 GBP
View
B
Retailer 16
-
£616 GBP
View
B+
Retailer 17
-
£622 GBP
View
B
Retailer 18
-
£837 GBP
View
Most Expensive
B
Reve Diamonds
15C54E1C4 · Nov 4
£872 GBP
$1,178 USD
View
18 more retailers have this diamond
Prices start from £144 GBPSave up to £728 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
1.30ct Marquise
£144 GBP