Marquise|Lab Grown|IGI

3.56ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG845670717

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845670717

Diamond specifications and retailer prices

From $577 USD
As of October 30, 2026
Save $3,904 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,481 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 3.56ct lab-grown marquise diamond

This 3.56ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845670717 or 845670717. Listed at 19 retailers as of October 30, 2026, with prices from $577 to $4,481, a $3,904 spread on the same certified stone. Helzberg Diamonds lists it at $4,481. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845670717
Dimensions15.98 × 7.92 × 4.92 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.98 mm7.92 mm3.56 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845670717
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

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: $4,481 USD|Low: $577 USD|High: $4,481 USD|Avg: $1,595 USD
Helzberg Diamonds
Retailer 2
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Retailer 12
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Retailer 19
October 30, 2026
Retailer 6$577 USD
Retailer 7$645 USD
Retailer 19$646 USD
Retailer 16$715 USD
Retailer 8$794 USD
Retailer 15$845 USD
Retailer 2$938 USD
Retailer 9$960 USD
Retailer 5$1,085 USD
Retailer 12$1,117 USD
Retailer 3$1,564 USD
Retailer 14$1,774 USD
Retailer 17$1,881 USD
Retailer 11$2,303 USD
Retailer 10$2,303 USD
Retailer 4$2,316 USD
Retailer 18$2,396 USD
Retailer 13$3,122 USD
Helzberg Diamonds$4,481 USD

8 data points across 19 retailers

19 retailers$577 USD to $4,481 USD

A
Cheapest Retailer
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$577 USD
A
Retailer 2
-
$645 USD
View
Final sale: no returns
A
Retailer 3
-
$646 USD
View
A
Retailer 4
-
$715 USD
View
A
Retailer 5
-
$794 USD
HK$6,200 HKD
View
A
Retailer 6
-
$845 USD
View
A
Retailer 7
-
$938 USD
£739 GBP
View
B+
Retailer 8
-
$960 USD
View
A
Retailer 9
-
$1,085 USD
View
A
Retailer 10
-
$1,117 USD
£880 GBP
View
A
Retailer 11
-
$1,564 USD
View
B+
Retailer 12
-
$1,774 USD
View
B+
Retailer 13
-
$1,881 USD
View
B+
Retailer 14
-
$2,303 USD
SGD 3,112 SGD
View
B+
Retailer 15
-
$2,303 USD
View
B+
Retailer 16
-
$2,316 USD
View
B+
Retailer 17
-
$2,396 USD
View
B
Retailer 18
-
$3,122 USD
£2,458 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMNGNHN · Oct 30
$4,481 USD
View
18 more retailers have this diamond
Prices start from $577 USDSave up to $3,904 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
3.56ct Marquise
$577 USD