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Marquise|Lab Grown|IGI

1.56ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG669414281

Certificate IGI LG669414281

Diamond specifications and retailer prices

From $981 USD
Save $3,504 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,730 USD at Brilliant Earth
View at Brilliant Earth

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 LG669414281 or 669414281. Listed at 16 retailers, with a 357% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669414281
Dimensions11.28 × 6.08 × 3.93 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm6.08 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669414281
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.6%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $4,730 USD|Low: $787 USD|High: $4,980 USD|Avg: $2,418 USD|-5.0%
Brilliant Earth
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
October 1, 2026
Retailer 7$981 USD
Retailer 11$985 USD
Retailer 13$1,072 USD
Retailer 3$1,127 USD
Retailer 16$1,143 USD
Retailer 5$1,193 USD
Retailer 4$1,260 USD
Retailer 9$1,610 USD
Retailer 12$1,884 USD
Retailer 15$2,272 USD
Retailer 10$2,365 USD
Retailer 6$3,475 USD
Retailer 2$3,832 USD
Retailer 14$4,329 USD
Retailer 8$4,485 USD
Brilliant Earth$4,730 USD

38 data points across 16 retailers

16 retailers$981 USD to $4,485 USD

A
Cheapest Retailer
-
$981 USD
A
Retailer 2
-
$985 USD
View
A
Retailer 3
-
$1,072 USD
View
A
Retailer 4
-
$1,127 USD
View
A
Retailer 5
-
$1,143 USD
View
A
Retailer 6
-
$1,193 USD
View
A
Retailer 7
-
$1,260 USD
View
A
Retailer 8
-
$1,610 USD
View
A
Retailer 9
-
$1,888 USD
£1,487 GBP
View
B+
Retailer 10
-
$2,272 USD
ZAR 36,711 ZAR
View
B+
Retailer 11
-
$2,365 USD
View
B
Retailer 12
-
$3,475 USD
£2,736 GBP
View
B
Retailer 13
-
$3,832 USD
A$5,896 AUD
View
B
Retailer 14
-
$4,329 USD
£3,409 GBP
View
B
Retailer 15
-
$4,485 USD
View
Most Expensive
B
Brilliant Earth
16262261A · Aug 22
$4,730 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from $981 USDSave up to $3,504 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
$981 USD