Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG825687968

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825687968

Diamond specifications and retailer prices

From €247 EUR
As of November 4, 2026
Save €1,036 EUR (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,048 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825687968 or 825687968. Listed at 23 retailers as of November 4, 2026, with a 420% 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

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687968
Dimensions11.19 × 5.42 × 3.48 mm
L/W Ratio2.06
Girdle conditionFaceted
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
11.19 mm5.42 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687968
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €534 EUR|Low: €237 EUR|High: €1,509 EUR|Avg: €725 EUR|-10.9%
Retailer 1
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Retailer 22
November 5, 2026
Retailer 4€247 EUR
Retailer 13€275 EUR
Retailer 3€287 EUR
Retailer 9€306 EUR
Retailer 15€306 EUR
Retailer 20€342 EUR
Retailer 18€421 EUR
Retailer 19€445 EUR
Retailer 21€502 EUR
Retailer 17€528 EUR
Retailer 1€534 EUR
Retailer 11€683 EUR
Retailer 16€751 EUR
Retailer 2€942 EUR
Retailer 7€984 EUR
Retailer 8€985 EUR
Retailer 10€1,030 EUR
Retailer 6€1,086 EUR
Retailer 12€1,224 EUR
Retailer 14€1,283 EUR
Retailer 22€1,305 EUR
Retailer 5€1,503 EUR

42 data points across 22 retailers

23 retailers€247 EUR to €1,283 EUR

A
Cheapest Retailer
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€247 EUR
A
Retailer 2
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€275 EUR
View
Final sale: no returns
A
Retailer 3
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€287 EUR
View
Retailer 4
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€306 EUR
View
Price last confirmed 12 days ago
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Retailer 5
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€306 EUR
View
A
Retailer 6
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€342 EUR
View
A
Retailer 7
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€421 EUR
View
A
Retailer 8
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€445 EUR
View
Retailer 9
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€502 EUR
View
Price last confirmed 12 days ago
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Retailer 10
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€528 EUR
View
A
Retailer 11
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€534 EUR
View
B+
Retailer 12
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€683 EUR
View
B+
Retailer 13
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€751 EUR
View
B+
Retailer 14
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€942 EUR
View
B+
Retailer 15
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€984 EUR
View
B+
Retailer 16
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€985 EUR
View
B+
Retailer 17
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€1,030 EUR
View
B+
Retailer 18
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€1,086 EUR
View
B+
Retailer 19
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€1,224 EUR
View
B
Retailer 20
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€1,283 EUR
View
Retailer 21
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€1,305 EUR
View
Price last confirmed 9 days ago
Retailer 22
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€1,503 EUR
View
Price last confirmed 29 days ago
Most Expensive
Queensmith
LG825687968 · Oct 27
€2,048 EUR
£1,810 GBP
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from €247 EURSave up to €1,036 EUR

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
1.20ct Marquise
€247 EUR