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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545098

Diamond specifications and retailer prices

From €1,755 EUR
A$3,028 AUD
As of November 2, 2026
14 retailers carry this diamond
Most expensive: €4,556 EUR at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545098 or 762545098. Listed at 14 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545098
Dimensions12.39 × 6.35 × 3.97 mm
L/W Ratio1.95
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
12.39 mm6.35 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545098
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €4,556 EUR|Low: €1,082 EUR|High: €4,699 EUR|Avg: €2,473 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 26, 2026
Retailer 5€1,082 EUR
Retailer 4€1,279 EUR
Retailer 2€1,755 EUR
Retailer 11€1,803 EUR
Retailer 12€1,819 EUR
Retailer 9€1,929 EUR
Retailer 10€2,011 EUR
Retailer 7€2,192 EUR
Retailer 3€3,040 EUR
Retailer 6€3,125 EUR
Retailer 14€3,385 EUR
Retailer 8€3,894 EUR
Retailer 13€4,233 EUR
Brilliant Earth€4,556 EUR

31 data points across 14 retailers

14 retailers

Retailer 1
-
€1,082 EUR
$1,214 USD
Price last confirmed 14 days ago
Retailer 2
-
€1,279 EUR
$1,434 USD
View
Price last confirmed 14 days ago
Retailer 3
-
€1,541 EUR
HK$13,500 HKD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
€1,755 EUR
A$3,028 AUD
View
Retailer 5
-
€1,803 EUR
£1,593 GBP
View
Price last confirmed 18 days ago
Retailer 6
-
€1,803 EUR
£1,593 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
€1,819 EUR
$2,040 USD
View
Price last confirmed 15 days ago
Retailer 8
-
€2,192 EUR
ZAR 39,712 ZAR
View
Price last confirmed 13 days ago
Retailer 9
-
€3,125 EUR
$3,505 USD
View
Price last confirmed 18 days ago
Retailer 10
-
€3,385 EUR
$3,797 USD
View
Price last confirmed 15 days ago
Retailer 11
-
€3,894 EUR
£3,439 GBP
View
Price last confirmed 14 days ago
Retailer 12
-
€4,233 EUR
A$7,304 AUD
View
Price last confirmed 28 days ago
Retailer 13
-
€4,282 EUR
$4,803 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
18939168Y · Oct 18
€4,556 EUR
$5,110 USD
View
Price last confirmed 14 days ago
13 more retailers have this diamond
Prices start from €1,755 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.

B+
1.77ct Marquise
€1,755 EUR