CaratHunter
Plans
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 $663 USD
As of October 30, 2026
Save $5,227 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,890 USD at Do Amore Diamonds · As of October 30, 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 $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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,890 USD|Low: $566 USD|High: $6,200 USD|Avg: $2,158 USD|-5.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 14$663 USD
Retailer 6$721 USD
Retailer 9$792 USD
Retailer 17$928 USD
Retailer 7$950 USD
Retailer 8$1,051 USD
Retailer 16$1,253 USD
Retailer 12$1,383 USD
Retailer 3$1,964 USD
Retailer 10$2,113 USD
Retailer 5$2,272 USD
Retailer 4$2,386 USD
Retailer 13$2,735 USD
Retailer 11$3,220 USD
Retailer 15$3,338 USD
Retailer 2$3,797 USD
Do Amore Diamonds$5,890 USD

34 data points across 17 retailers

17 retailers$663 USD to $5,890 USD

A
Cheapest Retailer
-
$663 USD
A
Retailer 2
-
$721 USD
View
A
Retailer 3
-
$792 USD
View
Final sale: no returns
A
Retailer 4
-
$928 USD
View
A
Retailer 5
-
$950 USD
View
A
Retailer 6
-
$1,051 USD
View
A
Retailer 7
-
$1,253 USD
View
A
Retailer 8
-
$1,383 USD
€1,317 EUR
View
B+
Retailer 9
-
$1,964 USD
View
B+
Retailer 10
-
$2,113 USD
A$3,251 AUD
View
B+
Retailer 11
-
$2,272 USD
View
B+
Retailer 12
-
$2,386 USD
View
B+
Retailer 13
-
$2,735 USD
View
B
Retailer 14
-
$3,220 USD
View
B+
Retailer 15
-
$3,338 USD
£2,628 GBP
View
B
Retailer 16
-
$3,797 USD
A$5,841 AUD
View
Most Expensive
B
Do Amore Diamonds
27-53D372DBE · Oct 30
$5,890 USD
View
16 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