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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG709531220

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG709531220

Diamond specifications and retailer prices

From €588 EUR
$657 USD
As of November 2, 2026
Save €4,630 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €5,218 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG709531220 or 709531220. Listed at 17 retailers as of November 1, 2026, with prices from €588 to €5,218, a €4,630 spread on the same certified stone. Do Amore Diamonds lists it at €5,218. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709531220
Dimensions12.08 × 6.19 × 4.04 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
12.08 mm6.19 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709531220
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 65.3%

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 2
Current: €5,218 EUR|Low: €576 EUR|High: €5,872 EUR|Avg: €2,010 EUR|-11.1%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
November 1, 2026
Retailer 14€588 EUR
Retailer 5€640 EUR
Retailer 9€750 EUR
Retailer 16€828 EUR
Retailer 6€841 EUR
Retailer 8€1,036 EUR
Retailer 15€1,112 EUR
Retailer 13€1,225 EUR
Retailer 17€1,742 EUR
Retailer 11€1,874 EUR
Retailer 4€2,015 EUR
Retailer 3€2,116 EUR
Retailer 7€2,260 EUR
Retailer 2€2,956 EUR
Retailer 12€3,249 EUR
Retailer 10€3,898 EUR
Do Amore Diamonds€5,218 EUR

32 data points across 17 retailers

17 retailers€588 EUR to €5,218 EUR

A
Cheapest Retailer
-
€588 EUR
$657 USD
A
Retailer 2
-
€640 EUR
$715 USD
View
A
Retailer 3
-
€750 EUR
$838 USD
View
Final sale: no returns
A
Retailer 4
-
€828 EUR
$925 USD
View
A
Retailer 5
-
€841 EUR
$940 USD
View
A
Retailer 6
-
€1,036 EUR
$1,157 USD
View
A
Retailer 7
-
€1,112 EUR
$1,242 USD
View
A
Retailer 8
-
€1,225 EUR
View
B+
Retailer 9
-
€1,742 EUR
$1,946 USD
View
B+
Retailer 10
-
€1,874 EUR
A$3,221 AUD
View
B+
Retailer 11
-
€2,015 EUR
$2,251 USD
View
B+
Retailer 12
-
€2,116 EUR
$2,364 USD
View
Retailer 13
-
€2,260 EUR
$2,525 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
€2,956 EUR
£2,600 GBP
View
B+
Retailer 15
-
€3,249 EUR
$3,630 USD
View
B
Retailer 16
-
€3,898 EUR
A$6,699 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8AE58C5F7 · Nov 1
€5,218 EUR
$5,830 USD
View
16 more retailers have this diamond
Prices start from €588 EURSave up to €4,630 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
1.77ct Marquise
€588 EUR