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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG791653600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791653600

Diamond specifications and retailer prices

From €210 EUR
$235 USD
As of November 1, 2026
Save €1,607 EUR (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,282 EUR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791653600 or 791653600. Listed at 25 retailers as of October 31, 2026, with a 764% 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

1.05
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791653600
Dimensions10.38 × 5.38 × 3.32 mm
L/W Ratio1.93
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
10.38 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791653600
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: Nov 1
Current: €1,289 EUR|Low: €209 EUR|High: €1,817 EUR|Avg: €555 EUR
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 15€209 EUR
Retailer 7€210 EUR
Retailer 14€219 EUR
Retailer 5€235 EUR
Retailer 10€235 EUR
Retailer 13€266 EUR
Retailer 18€333 EUR
Retailer 6€355 EUR
Retailer 4€413 EUR
Retailer 22€446 EUR
Retailer 2€446 EUR
Retailer 17€488 EUR
Retailer 9€491 EUR
Retailer 21€631 EUR
Retailer 23€755 EUR
Retailer 8€831 EUR
Retailer 12€850 EUR
Retailer 16€878 EUR
Retailer 19€1,041 EUR
Retailer 11€1,100 EUR
Retailer 20€1,132 EUR
Brilliant Earth€1,289 EUR
Retailer 3€1,817 EUR

27 data points across 23 retailers

25 retailers€210 EUR to €1,817 EUR

Retailer 1
-
€209 EUR
$233 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€210 EUR
$235 USD
View
Final sale: no returns
A
Retailer 3
-
€219 EUR
$245 USD
View
Retailer 4
-
€235 EUR
$262 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€235 EUR
$262 USD
View
A
Retailer 6
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€266 EUR
£234 GBP
View
A
Retailer 7
-
€333 EUR
$372 USD
View
A
Retailer 8
-
€355 EUR
HK$3,100 HKD
View
A
Retailer 9
-
€413 EUR
$461 USD
View
A
Retailer 10
-
€446 EUR
$498 USD
View
A
Retailer 11
-
€446 EUR
ZAR 8,056 ZAR
View
A
Retailer 12
-
€488 EUR
£429 GBP
View
Retailer 13
-
€491 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
€631 EUR
A$1,084 AUD
View
B+
Retailer 15
-
€755 EUR
$844 USD
View
B+
Retailer 16
-
€831 EUR
$928 USD
View
B+
Retailer 17
-
€850 EUR
SGD 1,283 SGD
View
B+
Retailer 18
-
€878 EUR
$981 USD
View
B+
Retailer 19
-
€1,041 EUR
£916 GBP
View
B+
Retailer 20
-
€1,100 EUR
$1,229 USD
View
B
Retailer 21
-
€1,132 EUR
$1,265 USD
View
B+
Retailer 22
-
€1,289 EUR
$1,440 USD
View
B
Retailer 23
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€1,762 EUR
£1,550 GBP
View
B
Retailer 24
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€1,817 EUR
$2,030 USD
View
Most Expensive
Brilliant Earth
18897939A · Oct 24
€2,282 EUR
$2,550 USD
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from €210 EURSave up to €1,607 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
1.05ct Marquise
€210 EUR