Marquise|Lab Grown|IGI

1.29ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG841629687

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841629687

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of October 27, 2026
Save £669 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,343 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629687 or 841629687. Listed at 21 retailers as of October 27, 2026, with a 400% 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

1.29
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629687
Dimensions11.92 × 5.52 × 3.38 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.92 mm5.52 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629687
Side View
Table 62.0%Crown 40.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A+
Exceptional
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 27
Current: £665 GBP|Low: £167 GBP|High: £852 GBP|Avg: £459 GBP|-2.5%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 7£167 GBP
Retailer 20£187 GBP
Retailer 11£195 GBP
Retailer 18£207 GBP
Retailer 9£208 GBP
Retailer 16£236 GBP
Retailer 8£280 GBP
Retailer 6£333 GBP
Retailer 13£353 GBP
Retailer 15£384 GBP
Retailer 12£445 GBP
Retailer 4£489 GBP
Retailer 5£505 GBP
Retailer 1£665 GBP
Retailer 19£666 GBP
Retailer 17£668 GBP
Retailer 14£702 GBP
Retailer 3£714 GBP
Retailer 10£834 GBP
Retailer 2£836 GBP

16 data points across 20 retailers

21 retailers£167 GBP to £836 GBP

A+
Cheapest Retailer
-
£167 GBP
$224 USD
Retailer 2
-
£195 GBP
$261 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£207 GBP
$277 USD
View
Retailer 4
-
£208 GBP
$279 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£236 GBP
View
B+
Retailer 6
-
£280 GBP
$375 USD
View
A
Retailer 7
-
£333 GBP
€425 EUR
View
Retailer 8
-
£353 GBP
ZAR 7,645 ZAR
View
Price last confirmed 9 days ago
A
Retailer 9
-
£384 GBP
View
A
Retailer 10
-
£445 GBP
$596 USD
View
A
Retailer 11
-
£489 GBP
$655 USD
View
B+
Retailer 12
-
£505 GBP
A$1,041 AUD
View
B+
Retailer 13
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£665 GBP
$891 USD
View
B+
Retailer 14
-
£666 GBP
$892 USD
View
B+
Retailer 15
-
£668 GBP
SGD 1,210 SGD
View
B+
Retailer 16
-
£702 GBP
$941 USD
View
B+
Retailer 17
-
£714 GBP
$957 USD
View
B+
Retailer 18
-
£834 GBP
View
B
Retailer 19
-
£836 GBP
$1,120 USD
View
B+
Retailer 20
-
£836 GBP
$1,120 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMIPMON · Oct 13
£1,343 GBP
$1,800 USD
View
Price last confirmed 20 days ago
20 more retailers have this diamond
Prices start from £167 GBPSave up to £669 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+
1.29ct Marquise
£167 GBP