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Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754593839

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754593839

Diamond specifications and retailer prices

From $944 AUD
$663 USD
As of October 30, 2026
Save $7,441 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,385 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 top-tier cut grade and certified by IGI LG754593839 or 754593839. Listed at 17 retailers as of October 30, 2026, with prices from $944 to $8,385, a $7,441 spread on the same certified stone. Do Amore Diamonds lists it at $8,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754593839
Dimensions11.58 × 6.10 × 3.96 mm
L/W Ratio1.90
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
11.58 mm6.10 mm1.67 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754593839
Side View
Table 58.0%Crown 38.7°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 64.9%

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: $8,385 AUD|Low: $924 AUD|High: $8,826 AUD|Avg: $3,073 AUD|-5.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 31, 2026
Retailer 14$944 AUD
Retailer 6$1,026 AUD
Retailer 9$1,127 AUD
Retailer 17$1,321 AUD
Retailer 7$1,352 AUD
Retailer 8$1,496 AUD
Retailer 16$1,784 AUD
Retailer 12$1,969 AUD
Retailer 3$2,796 AUD
Retailer 10$3,008 AUD
Retailer 5$3,234 AUD
Retailer 4$3,397 AUD
Retailer 13$3,894 AUD
Retailer 11$4,584 AUD
Retailer 15$4,751 AUD
Retailer 2$5,405 AUD
Do Amore Diamonds$8,385 AUD

33 data points across 17 retailers

17 retailers$944 AUD to $8,385 AUD

A
Cheapest Retailer
-
$944 AUD
$663 USD
A
Retailer 2
-
$1,026 AUD
$721 USD
View
A
Retailer 3
-
$1,127 AUD
$792 USD
View
Final sale: no returns
A
Retailer 4
-
$1,321 AUD
$928 USD
View
A
Retailer 5
-
$1,352 AUD
$950 USD
View
A
Retailer 6
-
$1,496 AUD
$1,051 USD
View
A
Retailer 7
-
$1,784 AUD
$1,253 USD
View
A
Retailer 8
-
$1,969 AUD
€1,317 EUR
View
B+
Retailer 9
-
$2,796 AUD
$1,964 USD
View
B+
Retailer 10
-
$3,008 AUD
View
B+
Retailer 11
-
$3,234 AUD
$2,272 USD
View
B+
Retailer 12
-
$3,397 AUD
$2,386 USD
View
B+
Retailer 13
-
$3,894 AUD
$2,735 USD
View
B
Retailer 14
-
$4,584 AUD
$3,220 USD
View
B+
Retailer 15
-
$4,751 AUD
£2,628 GBP
View
B
Retailer 16
-
$5,405 AUD
View
Most Expensive
B
Do Amore Diamonds
27-53D372DBE · Nov 1
$8,385 AUD
$5,890 USD
View
16 more retailers have this diamond
Prices start from $944 AUDSave up to $7,441 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
$944 AUD