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Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629398

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629398

Diamond specifications and retailer prices

From $663 USD
As of October 30, 2026
Save $5,227 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,890 USD 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 LG795629398 or 795629398. Listed at 14 retailers as of October 30, 2026, with prices from $663 to $5,890, a $5,227 spread on the same certified stone. Do Amore Diamonds lists it at $5,890. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629398
Dimensions11.76 × 6.06 × 3.94 mm
L/W Ratio1.94
Girdle conditionFaceted
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
11.76 mm6.06 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629398
Side View
Table 62.0%Crown 34.3°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 65.0%

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: $5,890 USD|Low: $649 USD|High: $6,200 USD|Avg: $2,413 USD|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 16
November 1, 2026
Retailer 14$663 USD
Retailer 4$721 USD
Retailer 5$950 USD
Retailer 6$1,051 USD
Retailer 15$1,253 USD
Retailer 12$1,383 USD
Retailer 16$1,964 USD
Retailer 10$2,113 USD
Retailer 3$2,386 USD
Retailer 7$2,563 USD
Retailer 13$2,735 USD
Retailer 8$2,774 USD
Retailer 11$3,220 USD
Retailer 2$3,334 USD
Retailer 9$3,797 USD
Do Amore Diamonds$5,890 USD

33 data points across 16 retailers

14 retailers$663 USD to $5,890 USD

A
Cheapest Retailer
-
$663 USD
A
Retailer 2
-
$721 USD
View
A
Retailer 3
-
$950 USD
View
A
Retailer 4
-
$1,051 USD
View
A
Retailer 5
-
$1,253 USD
View
A
Retailer 6
-
$1,383 USD
€1,317 EUR
View
B+
Retailer 7
-
$1,964 USD
View
B+
Retailer 8
-
$2,113 USD
A$3,251 AUD
View
B+
Retailer 9
-
$2,386 USD
View
B+
Retailer 10
-
$2,735 USD
View
B+
Retailer 11
-
$3,220 USD
View
B+
Retailer 12
-
$3,334 USD
£2,625 GBP
View
B+
Retailer 13
-
$3,797 USD
A$5,841 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8168A74D4 · Nov 1
$5,890 USD
View
13 more retailers have this diamond
Prices start from $663 USDSave up to $5,227 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
1.67ct Marquise
$663 USD