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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG828682389

Shape and cutting style on the report: Marquise modified brilliant

Certificate IGI LG828682389

Diamond specifications and retailer prices

From £212 GBP
$284 USD
As of November 1, 2026
Save £809 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,021 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828682389 or 828682389. Listed at 20 retailers as of November 1, 2026, with prices from £212 to £1,021, a £809 spread on the same certified stone. Reve Diamonds lists it at £1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828682389
Dimensions9.13 × 4.86 × 3.26 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm4.86 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828682389
Side View
Table 59.0%Crown 34.3°Girdle: THK-VTKPavilion 34.1°Culet: NoneDepth 67.1%

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 1
Current: £944 GBP|Low: £212 GBP|High: £1,021 GBP|Avg: £487 GBP|-0.2%
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
Retailer 14
Reve Diamonds
November 1, 2026
Retailer 12£212 GBP
Retailer 14£236 GBP
Retailer 6£258 GBP
Retailer 3£266 GBP
Retailer 10£296 GBP
Retailer 2£317 GBP
Retailer 13£355 GBP
Retailer 7£385 GBP
Retailer 9£405 GBP
Retailer 8£573 GBP
Retailer 5£633 GBP
Retailer 11£723 GBP
Retailer 4£795 GBP
Retailer 1£944 GBP
Reve Diamonds£1,021 GBP

27 data points across 15 retailers

20 retailers£212 GBP to £1,021 GBP

Retailer 1
-
£182 GBP
$244 USD
Price last confirmed 30 days ago
Retailer 2
-
£190 GBP
$254 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£212 GBP
$284 USD
View
Final sale: no returns
Retailer 4
-
£220 GBP
$295 USD
View
Price last confirmed 33 days ago
Retailer 5
-
£232 GBP
$311 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£236 GBP
$316 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
£258 GBP
HK$2,700 HKD
View
A
Retailer 8
-
£266 GBP
$357 USD
View
Retailer 9
-
£296 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
-
£317 GBP
$425 USD
View
A
Retailer 11
-
£355 GBP
$475 USD
View
A
Retailer 12
-
£385 GBP
€491 EUR
View
A
Retailer 13
-
£405 GBP
ZAR 8,758 ZAR
View
B+
Retailer 14
-
£573 GBP
A$1,181 AUD
View
B+
Retailer 15
-
£633 GBP
SGD 1,146 SGD
View
B
Retailer 16
-
£723 GBP
$969 USD
View
Retailer 17
-
£757 GBP
$1,014 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
£795 GBP
$1,066 USD
View
B
Retailer 19
-
£944 GBP
View
Most Expensive
B
Reve Diamonds
D36B70ACC · Nov 1
£1,021 GBP
$1,367 USD
View
19 more retailers have this diamond
Prices start from £212 GBPSave up to £809 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
1.00ct Marquise
£212 GBP