CaratHunter
Plans
Marquise|Lab Grown|IGI

1.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768631586

Certificate IGI LG768631586

Diamond specifications and retailer prices

From $742 USD
Save $4,878 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,620 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.56ct lab-grown marquise diamond

This 1.56ct 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 LG768631586 or 768631586. Listed at 15 retailers, with prices from $742 to $5,620 at Do Amore Diamonds, a $4,878 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631586
Dimensions11.85 × 6.10 × 3.63 mm
L/W Ratio1.94
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
11.85 mm6.10 mm1.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631586
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $5,620 USD|Low: $530 USD|High: $5,890 USD|Avg: $2,309 USD|-4.6%
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
Retailer 18
October 1, 2026
Retailer 6$742 USD
Retailer 3$891 USD
Retailer 17$895 USD
Retailer 12$925 USD
Retailer 18$931 USD
Retailer 5$986 USD
Retailer 2$1,277 USD
Retailer 9$1,612 USD
Retailer 14$1,810 USD
Retailer 15$2,022 USD
Retailer 16$2,182 USD
Retailer 7$2,568 USD
Retailer 11$3,223 USD
Retailer 10$3,578 USD
Retailer 13$3,589 USD
Retailer 4$3,760 USD
Retailer 8$3,825 USD
Do Amore Diamonds$5,620 USD

22 data points across 18 retailers

15 retailers$742 USD to $5,620 USD

A
Cheapest Retailer
-
$742 USD
A
Retailer 2
-
$891 USD
View
A
Retailer 3
-
$895 USD
View
A
Retailer 4
-
$925 USD
£729 GBP
View
A
Retailer 5
-
$931 USD
View
A
Retailer 6
-
$986 USD
View
A
Retailer 7
-
$1,277 USD
€1,216 EUR
View
B+
Retailer 8
-
$1,810 USD
View
B+
Retailer 9
-
$2,022 USD
A$3,110 AUD
View
B+
Retailer 10
-
$2,182 USD
View
B+
Retailer 11
-
$2,568 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$3,223 USD
£2,538 GBP
View
B
Retailer 13
-
$3,589 USD
A$5,522 AUD
View
B+
Retailer 14
-
$3,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-87A535AF4 · Sep 30
$5,620 USD
View
14 more retailers have this diamond
Prices start from $742 USDSave up to $4,878 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.

A
1.56ct Marquise
$742 USD