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Marquise|Lab Grown|IGI

1.00ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG806616070

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806616070

Diamond specifications and retailer prices

From £116 GBP
$156 USD
As of October 30, 2026
Save £670 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £914 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG806616070 or 806616070. Listed at 22 retailers as of October 30, 2026, with a 576% 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

1.00
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806616070
Dimensions10.56 × 5.06 × 3.14 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm5.06 mm1.00 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806616070
Side View
Table 61.0%Crown 33°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £254 GBP|Low: £116 GBP|High: £808 GBP|Avg: £354 GBP|-4.3%
Retailer 1
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Retailer 21
October 31, 2026
Retailer 4£116 GBP
Retailer 6£131 GBP
Retailer 19£135 GBP
Retailer 17£145 GBP
Retailer 13£150 GBP
Retailer 16£174 GBP
Retailer 10£196 GBP
Retailer 2£239 GBP
Retailer 3£252 GBP
Retailer 1£254 GBP
Retailer 21£275 GBP
Retailer 18£325 GBP
Retailer 12£373 GBP
Retailer 8£398 GBP
Retailer 5£459 GBP
Retailer 15£478 GBP
Retailer 14£483 GBP
Retailer 7£506 GBP
Retailer 9£508 GBP
Retailer 11£703 GBP
Retailer 20£787 GBP

25 data points across 21 retailers

22 retailers£116 GBP to £787 GBP

A
Cheapest Retailer
-
£116 GBP
$156 USD
A
Retailer 2
-
£131 GBP
$175 USD
View
Final sale: no returns
A
Retailer 3
-
£135 GBP
$181 USD
View
A
Retailer 4
-
£145 GBP
$194 USD
View
A
Retailer 5
-
£150 GBP
$201 USD
View
A
Retailer 6
-
£174 GBP
View
B+
Retailer 7
-
£196 GBP
$262 USD
View
A
Retailer 8
-
£239 GBP
$320 USD
View
A
Retailer 9
-
£252 GBP
€322 EUR
View
A
Retailer 10
-
£254 GBP
View
A
Retailer 11
-
£275 GBP
View
A
Retailer 12
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£325 GBP
$436 USD
View
B+
Retailer 13
-
£373 GBP
$500 USD
View
B+
Retailer 14
-
£398 GBP
SGD 720 SGD
View
B+
Retailer 15
-
£459 GBP
A$946 AUD
View
B+
Retailer 16
-
£478 GBP
$640 USD
View
B+
Retailer 17
-
£483 GBP
$647 USD
View
B+
Retailer 18
-
£506 GBP
$678 USD
View
B+
Retailer 19
-
£508 GBP
$680 USD
View
B
Retailer 20
-
£703 GBP
View
B
Retailer 21
-
£787 GBP
$1,054 USD
View
Most Expensive
Helzberg Diamonds
ZXZOGMMHMGNG · Oct 13
£914 GBP
$1,225 USD
View
Price last confirmed 18 days ago
21 more retailers have this diamond
Prices start from £116 GBPSave up to £670 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
£116 GBP