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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG761521649

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG761521649

Diamond specifications and retailer prices

From $753 AUD
$529 USD
As of October 30, 2026
Save $3,717 AUD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,470 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG761521649 or 761521649. Listed at 26 retailers as of October 30, 2026, with prices from $753 to $4,470, a $3,717 spread on the same certified stone. Brilliant Earth lists it at $4,470. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761521649
Dimensions11.63 × 6.14 × 3.86 mm
L/W Ratio1.89
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
11.63 mm6.14 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761521649
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,470 AUD|Low: $753 AUD|High: $6,876 AUD|Avg: $2,272 AUD|-35.0%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
November 1, 2026
Retailer 16$753 AUD
Retailer 7$841 AUD
Retailer 17$932 AUD
Retailer 2$987 AUD
Retailer 14$1,083 AUD
Retailer 10$1,125 AUD
Retailer 20$1,250 AUD
Retailer 8$1,253 AUD
Retailer 13$1,435 AUD
Retailer 5$1,604 AUD
Retailer 4$1,723 AUD
Retailer 18$1,815 AUD
Retailer 15$2,091 AUD
Retailer 3$2,454 AUD
Retailer 11$2,712 AUD
Retailer 6$3,032 AUD
Retailer 9$3,192 AUD
Retailer 21$3,461 AUD
Retailer 12$3,858 AUD
Retailer 19$3,916 AUD
Brilliant Earth$4,470 AUD

30 data points across 21 retailers

26 retailers$753 AUD to $4,470 AUD

A
Cheapest Retailer
-
$753 AUD
$529 USD
A
Retailer 2
-
$841 AUD
$591 USD
View
Final sale: no returns
Retailer 3
-
$874 AUD
$614 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$932 AUD
$655 USD
View
Retailer 5
-
$982 AUD
$690 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$987 AUD
£546 GBP
View
Retailer 7
-
$1,083 AUD
$761 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$1,083 AUD
$761 USD
View
Price last confirmed 29 days ago
Retailer 9
-
$1,112 AUD
HK$6,100 HKD
View
Price last confirmed 58 days ago
A
Retailer 10
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$1,125 AUD
$790 USD
View
A
Retailer 11
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$1,250 AUD
$878 USD
View
A
Retailer 12
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$1,253 AUD
$880 USD
View
A
Retailer 13
-
$1,435 AUD
£794 GBP
View
A
Retailer 14
-
$1,604 AUD
ZAR 18,199 ZAR
View
A
Retailer 15
-
$1,723 AUD
$1,210 USD
View
A
Retailer 16
-
$1,815 AUD
€1,214 EUR
View
A
Retailer 17
-
$2,091 AUD
$1,469 USD
View
B+
Retailer 18
-
$2,454 AUD
$1,724 USD
View
B+
Retailer 19
-
$2,712 AUD
£1,500 GBP
View
Retailer 20
-
$2,849 AUD
$2,001 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$3,032 AUD
$2,130 USD
View
B+
Retailer 22
-
$3,192 AUD
$2,242 USD
View
B+
Retailer 23
-
$3,461 AUD
$2,431 USD
View
Retailer 24
-
$3,858 AUD
$2,710 USD
View
Price last confirmed 14 days ago
B
Retailer 25
-
$3,916 AUD
£2,166 GBP
View
Most Expensive
B
Brilliant Earth
18182037A · Oct 31
$4,470 AUD
$3,140 USD
View
25 more retailers have this diamond
Prices start from $753 AUDSave up to $3,717 AUD

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
$753 AUD