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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG741594945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741594945

Diamond specifications and retailer prices

From $640 USD
As of October 30, 2026
Save $5,040 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,680 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown marquise diamond

This 1.61ct 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 LG741594945 or 741594945. Listed at 19 retailers as of October 30, 2026, with prices from $640 to $5,680, a $5,040 spread on the same certified stone. Do Amore Diamonds lists it at $5,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741594945
Dimensions11.88 × 6.11 × 3.84 mm
L/W Ratio1.94
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
11.88 mm6.11 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741594945
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $5,680 USD|Low: $627 USD|High: $5,800 USD|Avg: $1,969 USD|-2.1%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 31, 2026
Retailer 18$640 USD
Retailer 7$696 USD
Retailer 11$766 USD
Retailer 3$901 USD
Retailer 8$925 USD
Retailer 14$929 USD
Retailer 10$986 USD
Retailer 19$1,213 USD
Retailer 15$1,336 USD
Retailer 9$1,370 USD
Retailer 4$1,896 USD
Retailer 12$2,040 USD
Retailer 6$2,202 USD
Retailer 5$2,304 USD
Retailer 17$2,725 USD
Retailer 13$3,110 USD
Retailer 16$3,235 USD
Retailer 2$3,668 USD
Do Amore Diamonds$5,680 USD

41 data points across 19 retailers

19 retailers$640 USD to $5,680 USD

A
Cheapest Retailer
-
$640 USD
A
Retailer 2
-
$696 USD
View
A
Retailer 3
-
$766 USD
View
Final sale: no returns
A
Retailer 4
-
$901 USD
View
A
Retailer 5
-
$925 USD
View
A
Retailer 6
-
$929 USD
£732 GBP
View
A
Retailer 7
-
$986 USD
View
A
Retailer 8
-
$1,213 USD
View
A
Retailer 9
-
$1,336 USD
€1,272 EUR
View
A
Retailer 10
-
$1,370 USD
A$2,108 AUD
View
B+
Retailer 11
-
$1,896 USD
View
B+
Retailer 12
-
$2,040 USD
A$3,139 AUD
View
B+
Retailer 13
-
$2,202 USD
View
B+
Retailer 14
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$2,304 USD
View
B+
Retailer 15
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$2,725 USD
View
B+
Retailer 16
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$3,110 USD
View
B+
Retailer 17
-
$3,235 USD
£2,547 GBP
View
B+
Retailer 18
-
$3,668 USD
A$5,643 AUD
View
Most Expensive
B
Do Amore Diamonds
27-040AD9B70 · Oct 30
$5,680 USD
View
18 more retailers have this diamond
Prices start from $640 USDSave up to $5,040 USD

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
1.61ct Marquise
$640 USD