Marquise|Lab Grown|IGI

1.05ct D VVS2 Marquise Lab Grown Diamond

VG • D/VVS2 • IGI LG830617478

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830617478

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 30, 2026
Save £1,020 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,147 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830617478 or 830617478. Listed at 22 retailers as of October 27, 2026, with prices from £127 to £1,147, a £1,020 spread on the same certified stone. Queensmith lists it at £1,147. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830617478
Dimensions10.46 × 5.46 × 3.32 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.46 mm5.46 mm1.05 ctD / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830617478
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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: Oct 30
Current: £1,147 GBP|Low: £127 GBP|High: £1,147 GBP|Avg: £411 GBP
Queensmith
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Retailer 22
October 31, 2026
Retailer 7£127 GBP
Retailer 11£143 GBP
Retailer 3£147 GBP
Retailer 5£157 GBP
Retailer 14£157 GBP
Retailer 22£182 GBP
Retailer 17£207 GBP
Retailer 15£213 GBP
Retailer 20£270 GBP
Retailer 21£272 GBP
Retailer 2£281 GBP
Retailer 4£290 GBP
Retailer 13£390 GBP
Retailer 9£394 GBP
Retailer 6£430 GBP
Retailer 8£506 GBP
Retailer 16£515 GBP
Retailer 19£526 GBP
Retailer 10£547 GBP
Retailer 18£740 GBP
Retailer 12£820 GBP
Queensmith£1,147 GBP

30 data points across 22 retailers

22 retailers£127 GBP to £1,147 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£143 GBP
$191 USD
View
Final sale: no returns
A
Retailer 3
-
£147 GBP
$197 USD
View
A
Retailer 4
-
£157 GBP
$211 USD
View
A
Retailer 5
-
£157 GBP
$211 USD
View
A
Retailer 6
-
£182 GBP
HK$1,900 HKD
View
A
Retailer 7
-
£207 GBP
View
B+
Retailer 8
-
£213 GBP
$285 USD
View
A
Retailer 9
-
£270 GBP
ZAR 5,854 ZAR
View
A
Retailer 10
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£272 GBP
€347 EUR
View
A
Retailer 11
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£281 GBP
View
A
Retailer 12
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£290 GBP
$389 USD
View
B+
Retailer 13
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£390 GBP
$523 USD
View
B+
Retailer 14
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£394 GBP
$528 USD
View
B+
Retailer 15
-
£430 GBP
SGD 779 SGD
View
B+
Retailer 16
-
£506 GBP
$678 USD
View
B+
Retailer 17
-
£515 GBP
$690 USD
View
B+
Retailer 18
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£526 GBP
$705 USD
View
B
Retailer 19
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£547 GBP
$733 USD
View
B
Retailer 20
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£740 GBP
View
B
Retailer 21
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£820 GBP
$1,098 USD
View
Most Expensive
B
Queensmith
LG830617478 · Oct 27
£1,147 GBP
View
21 more retailers have this diamond
Prices start from £127 GBPSave up to £1,020 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
1.05ct Marquise
£127 GBP