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Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG788681372

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788681372

Diamond specifications and retailer prices

From $425 USD
£334 GBP
As of October 29, 2026
Save $2,055 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,480 USD at Do Amore Diamonds · As of October 29, 2026
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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788681372 or 788681372. Listed at 17 retailers as of October 29, 2026, with prices from $425 to $2,480, a $2,055 spread on the same certified stone. Do Amore Diamonds lists it at $2,480. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788681372
Dimensions12.24 × 5.95 × 3.70 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.24 mm5.95 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788681372
Side View
Table 60.0%Crown 37.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 62.2%

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 29
Current: $2,480 USD|Low: $425 USD|High: $2,610 USD|Avg: $1,068 USD|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 29, 2026
Retailer 13$425 USD
Retailer 5$450 USD
Retailer 17$486 USD
Retailer 11$500 USD
Retailer 4$571 USD
Retailer 2$594 USD
Retailer 16$707 USD
Retailer 8$719 USD
Retailer 10$795 USD
Retailer 18$884 USD
Retailer 3$991 USD
Retailer 6$1,151 USD
Retailer 14$1,419 USD
Retailer 12$1,528 USD
Retailer 9$1,538 USD
Retailer 15$1,640 USD
Retailer 7$2,270 USD
Do Amore Diamonds$2,480 USD

24 data points across 18 retailers

17 retailers$425 USD to $2,480 USD

A
Retailer 1
-
$279 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$324 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$425 USD
£334 GBP
View
A
Retailer 4
-
$450 USD
View
A
Retailer 5
-
$486 USD
HK$3,800 HKD
View
A
Retailer 6
-
$500 USD
View
A
Retailer 7
-
$571 USD
View
A
Retailer 8
-
$594 USD
€566 EUR
View
B+
Retailer 9
-
$707 USD
A$1,088 AUD
View
B+
Retailer 10
-
$884 USD
A$1,360 AUD
View
B+
Retailer 11
-
$991 USD
View
B+
Retailer 12
-
$1,151 USD
A$1,771 AUD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
$1,229 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$1,419 USD
SGD 1,917 SGD
View
B
Retailer 15
-
$1,528 USD
£1,203 GBP
View
B
Retailer 16
-
$1,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-DD0EED6E0 · Oct 29
$2,480 USD
View
16 more retailers have this diamond
Prices start from $425 USDSave up to $2,055 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
1.56ct Marquise
$425 USD