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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 $621 USD
As of October 30, 2026
Save $4,889 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,510 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 very-good cut grade and certified by IGI LG720590613 or 720590613. Listed at 17 retailers as of October 30, 2026, with prices from $621 to $5,510, a $4,889 spread on the same certified stone. Do Amore Diamonds lists it at $5,510. 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
Color
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

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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: $5,510 USD|Low: $609 USD|High: $6,200 USD|Avg: $2,089 USD|-11.1%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 17
October 31, 2026
Retailer 13$621 USD
Retailer 4$696 USD
Retailer 9$792 USD
Retailer 15$894 USD
Retailer 6$895 USD
Retailer 8$1,042 USD
Retailer 14$1,179 USD
Retailer 11$1,294 USD
Retailer 16$1,911 USD
Retailer 2$1,980 USD
Retailer 3$2,141 USD
Retailer 17$2,236 USD
Retailer 12$2,715 USD
Retailer 5$3,204 USD
Retailer 10$3,220 USD
Retailer 7$3,818 USD
Do Amore Diamonds$5,510 USD

32 data points across 17 retailers

17 retailers$621 USD to $5,510 USD

A
Cheapest Retailer
-
$621 USD
A
Retailer 2
-
$696 USD
View
A
Retailer 3
-
$792 USD
View
Final sale: no returns
A
Retailer 4
-
$894 USD
View
A
Retailer 5
-
$895 USD
View
A
Retailer 6
-
$1,042 USD
View
A
Retailer 7
-
$1,179 USD
View
A
Retailer 8
-
$1,294 USD
€1,232 EUR
View
B+
Retailer 9
-
$1,911 USD
View
B+
Retailer 10
-
$1,980 USD
A$3,046 AUD
View
B+
Retailer 11
-
$2,141 USD
View
B+
Retailer 12
-
$2,236 USD
View
B+
Retailer 13
-
$2,715 USD
View
Retailer 14
-
$3,204 USD
£2,523 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
-
$3,220 USD
View
Retailer 16
-
$3,818 USD
A$5,874 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-770C863E8 · Nov 1
$5,510 USD
View
16 more retailers have this diamond
Prices start from $621 USDSave up to $4,889 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
$621 USD