Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG821630368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821630368

Diamond specifications and retailer prices

From $306 USD
As of October 24, 2026
Save $1,090 USD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,396 USD at Reve Diamonds · As of October 25, 2026
View at Reve 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 LG821630368 or 821630368. Listed at 23 retailers as of October 24, 2026, with prices from $306 to $1,396, a $1,090 spread on the same certified stone. Reve Diamonds lists it at $1,396. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630368
Dimensions11.50 × 6.02 × 3.83 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm6.02 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821630368
Side View
Table 59.0%Crown 38.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $577 USD|Low: $253 USD|High: $1,530 USD|Avg: $785 USD|+2.5%
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Retailer 23
Reve Diamonds
October 30, 2026
Retailer 6$264 USD
Retailer 5$294 USD
Retailer 3$306 USD
Retailer 11$327 USD
Retailer 7$358 USD
Retailer 18$365 USD
Retailer 17$485 USD
Retailer 20$518 USD
Retailer 2$544 USD
Retailer 22$553 USD
Retailer 1$577 USD
Retailer 10$591 USD
Retailer 19$622 USD
Retailer 23$827 USD
Retailer 8$1,050 USD
Retailer 13$1,052 USD
Retailer 14$1,102 USD
Retailer 9$1,140 USD
Retailer 12$1,180 USD
Retailer 16$1,280 USD
Retailer 4$1,285 USD
Retailer 21$1,311 USD
Retailer 15$1,365 USD
Reve Diamonds$1,396 USD

35 data points across 24 retailers

23 retailers$306 USD to $1,396 USD

Retailer 1
-
$264 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$306 USD
View
A
Retailer 3
-
$327 USD
View
A
Retailer 4
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$358 USD
HK$2,800 HKD
View
A
Retailer 5
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$365 USD
£287 GBP
View
A
Retailer 6
-
$485 USD
View
A
Retailer 7
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$518 USD
€493 EUR
View
A
Retailer 8
-
$544 USD
View
Retailer 9
-
$553 USD
ZAR 8,927 ZAR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$577 USD
View
A
Retailer 11
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$591 USD
View
A
Retailer 12
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$622 USD
£490 GBP
View
B+
Retailer 13
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$827 USD
View
B+
Retailer 14
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$1,050 USD
View
B+
Retailer 15
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$1,052 USD
SGD 1,422 SGD
View
B
Retailer 16
-
$1,102 USD
View
B
Retailer 17
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$1,140 USD
View
B
Retailer 18
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$1,180 USD
View
B
Retailer 19
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$1,280 USD
£1,008 GBP
View
B
Retailer 20
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$1,285 USD
View
B
Retailer 21
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$1,311 USD
£1,032 GBP
View
B
Retailer 22
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$1,352 USD
View
Most Expensive
B
Reve Diamonds
01A701016 · Oct 25
$1,396 USD
View
22 more retailers have this diamond
Prices start from $306 USDSave up to $1,090 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
$306 USD