Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG720590613

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG720590613

Diamond specifications and retailer prices

From $884 AUD
$621 USD
As of November 2, 2026
Save $6,960 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,844 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown marquise diamond

This 1.67ct 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 very-good cut grade and certified by IGI LG720590613 or 720590613. Listed at 17 retailers as of November 1, 2026, with prices from $884 to $7,844, a $6,960 spread on the same certified stone. Do Amore Diamonds lists it at $7,844. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720590613
Dimensions11.90 × 6.15 × 3.96 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
11.90 mm6.15 mm1.67 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720590613
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.4%

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: Nov 2
Current: $7,844 AUD|Low: $867 AUD|High: $8,826 AUD|Avg: $2,974 AUD|-11.1%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
October 31, 2026
Retailer 13$884 AUD
Retailer 4$991 AUD
Retailer 9$1,127 AUD
Retailer 15$1,273 AUD
Retailer 6$1,274 AUD
Retailer 8$1,483 AUD
Retailer 14$1,678 AUD
Retailer 11$1,842 AUD
Retailer 16$2,720 AUD
Retailer 2$2,819 AUD
Retailer 3$3,049 AUD
Retailer 17$3,183 AUD
Retailer 12$3,865 AUD
Retailer 5$4,562 AUD
Retailer 10$4,584 AUD
Retailer 7$5,435 AUD
Do Amore Diamonds$7,844 AUD

32 data points across 17 retailers

17 retailers$884 AUD to $7,844 AUD

A
Cheapest Retailer
-
$884 AUD
$621 USD
A
Retailer 2
-
$991 AUD
$696 USD
View
A
Retailer 3
-
$1,127 AUD
$792 USD
View
Final sale: no returns
A
Retailer 4
-
$1,273 AUD
$894 USD
View
A
Retailer 5
-
$1,274 AUD
$895 USD
View
A
Retailer 6
-
$1,483 AUD
$1,042 USD
View
A
Retailer 7
-
$1,678 AUD
$1,179 USD
View
A
Retailer 8
-
$1,842 AUD
€1,232 EUR
View
B+
Retailer 9
-
$2,720 AUD
$1,911 USD
View
B+
Retailer 10
-
$2,819 AUD
View
B+
Retailer 11
-
$3,049 AUD
$2,141 USD
View
B+
Retailer 12
-
$3,183 AUD
$2,236 USD
View
B+
Retailer 13
-
$3,865 AUD
$2,715 USD
View
Retailer 14
-
$4,562 AUD
£2,523 GBP
View
Price last confirmed 15 days ago
B
Retailer 15
-
$4,584 AUD
$3,220 USD
View
Retailer 16
-
$5,435 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Do Amore Diamonds
27-770C863E8 · Nov 1
$7,844 AUD
$5,510 USD
View
16 more retailers have this diamond
Prices start from $884 AUDSave up to $6,960 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
1.67ct Marquise
$884 AUD