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Marquise|Lab Grown|IGI

1.19ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG700569342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700569342

Diamond specifications and retailer prices

From £188 GBP
As of November 6, 2026
Save £824 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,011 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.19ct lab-grown marquise diamond

This 1.19ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700569342 or 700569342. Listed at 17 retailers as of November 6, 2026, with prices from £188 to £1,011, a £824 spread on the same certified stone. Reve Diamonds lists it at £1,011. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.19
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700569342
Dimensions10.53 × 5.74 × 3.48 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm5.74 mm1.19 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700569342
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £438 GBP|Low: £180 GBP|High: £1,011 GBP|Avg: £515 GBP|+2.4%
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
Reve Diamonds
November 6, 2026
Retailer 11£188 GBP
Retailer 2£210 GBP
Retailer 12£233 GBP
Retailer 5£256 GBP
Retailer 3£339 GBP
Retailer 8£353 GBP
Retailer 10£389 GBP
Retailer 13£419 GBP
Retailer 1£438 GBP
Retailer 7£617 GBP
Retailer 9£715 GBP
Retailer 4£786 GBP
Retailer 6£932 GBP
Reve Diamonds£1,011 GBP

44 data points across 14 retailers

17 retailers£188 GBP to £1,011 GBP

A
Cheapest Retailer
-
£188 GBP
A
Retailer 2
-
£210 GBP
View
Final sale: no returns
A
Retailer 3
-
£218 GBP
View
Retailer 4
-
£233 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£233 GBP
View
A
Retailer 6
-
£256 GBP
View
B+
Retailer 7
-
£339 GBP
View
B+
Retailer 8
-
£353 GBP
View
B
Retailer 9
-
£389 GBP
View
B+
Retailer 10
-
£419 GBP
View
B+
Retailer 11
-
£438 GBP
View
B
Retailer 12
-
£617 GBP
View
B
Retailer 13
-
£715 GBP
View
B
Retailer 14
-
£748 GBP
View
B
Retailer 15
-
£786 GBP
View
B
Retailer 16
-
£932 GBP
View
Most Expensive
B
Reve Diamonds
6ECFAD910 · Nov 6
£1,011 GBP
$1,361 USD
View
16 more retailers have this diamond
Prices start from £188 GBPSave up to £824 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
1.19ct Marquise
£188 GBP