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Marquise|Lab Grown|IGI

1.17ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768632408

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768632408

Diamond specifications and retailer prices

From £207 GBP
$277 USD
As of October 30, 2026
Save £1,629 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,836 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown marquise diamond

This 1.17ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632408 or 768632408. Listed at 17 retailers as of October 30, 2026, with prices from £207 to £1,836, a £1,629 spread on the same certified stone. Do Amore Diamonds lists it at £1,836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632408
Dimensions11.40 × 5.55 × 3.25 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.40 mm5.55 mm1.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632408
Side View
Table 62.0%Crown 33.6°Girdle: MediumPavilion 38.5°Culet: NoneDepth 58.6%

Caratlytics Score

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A+
Exceptional
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: £1,836 GBP|Low: £207 GBP|High: £2,388 GBP|Avg: £777 GBP|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 1, 2026
Retailer 14£207 GBP
Retailer 5£240 GBP
Retailer 9£263 GBP
Retailer 10£292 GBP
Retailer 15£375 GBP
Retailer 6£422 GBP
Retailer 17£424 GBP
Retailer 8£438 GBP
Retailer 13£485 GBP
Retailer 11£567 GBP
Retailer 16£789 GBP
Retailer 4£813 GBP
Retailer 3£911 GBP
Retailer 2£1,136 GBP
Retailer 12£1,411 GBP
Retailer 7£1,720 GBP
Do Amore Diamonds£1,836 GBP

41 data points across 17 retailers

17 retailers£207 GBP to £1,836 GBP

A+
Cheapest Retailer
-
£207 GBP
$277 USD
A
Retailer 2
-
£240 GBP
$322 USD
View
A
Retailer 3
-
£263 GBP
$352 USD
View
Final sale: no returns
A
Retailer 4
-
£292 GBP
View
A
Retailer 5
-
£375 GBP
$502 USD
View
A
Retailer 6
-
£422 GBP
$565 USD
View
A
Retailer 7
-
£424 GBP
$568 USD
View
A
Retailer 8
-
£438 GBP
$587 USD
View
A
Retailer 9
-
£485 GBP
€619 EUR
View
B+
Retailer 10
-
£567 GBP
A$1,168 AUD
View
B+
Retailer 11
-
£789 GBP
$1,057 USD
View
B+
Retailer 12
-
£813 GBP
$1,089 USD
View
B+
Retailer 13
-
£911 GBP
$1,221 USD
View
B+
Retailer 14
-
£1,136 GBP
View
B
Retailer 15
-
£1,411 GBP
$1,890 USD
View
B
Retailer 16
-
£1,720 GBP
$2,305 USD
View
Most Expensive
B
Do Amore Diamonds
27-3CF87FE08 · Nov 1
£1,836 GBP
$2,460 USD
View
16 more retailers have this diamond
Prices start from £207 GBPSave up to £1,629 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+
1.17ct Marquise
£207 GBP