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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 $821 AUD
$577 USD
As of October 30, 2026
Save $5,558 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,379 AUD 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 $821 to $6,379, a $5,558 spread on the same certified stone. Helzberg Diamonds lists it at $6,379. 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
Colour
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

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 30
Current: $6,379 AUD|Low: $821 AUD|High: $6,379 AUD|Avg: $2,272 AUD
Helzberg 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
Retailer 19
October 31, 2026
Retailer 6$821 AUD
Retailer 7$918 AUD
Retailer 19$920 AUD
Retailer 16$1,018 AUD
Retailer 8$1,130 AUD
Retailer 15$1,203 AUD
Retailer 12$1,335 AUD
Retailer 9$1,367 AUD
Retailer 5$1,545 AUD
Retailer 2$1,590 AUD
Retailer 3$2,227 AUD
Retailer 14$2,525 AUD
Retailer 17$2,678 AUD
Retailer 11$3,278 AUD
Retailer 10$3,279 AUD
Retailer 4$3,297 AUD
Retailer 18$3,410 AUD
Retailer 13$4,444 AUD
Helzberg Diamonds$6,379 AUD

9 data points across 19 retailers

19 retailers$821 AUD to $6,379 AUD

A
Cheapest Retailer
-
$821 AUD
$577 USD
A
Retailer 2
-
$918 AUD
$645 USD
View
Final sale: no returns
A
Retailer 3
-
$920 AUD
$646 USD
View
A
Retailer 4
-
$1,018 AUD
$715 USD
View
A
Retailer 5
-
$1,130 AUD
HK$6,200 HKD
View
A
Retailer 6
-
$1,203 AUD
$845 USD
View
A
Retailer 7
-
$1,335 AUD
£739 GBP
View
B+
Retailer 8
-
$1,367 AUD
$960 USD
View
A
Retailer 9
-
$1,545 AUD
$1,085 USD
View
A
Retailer 10
-
$1,590 AUD
£880 GBP
View
A
Retailer 11
-
$2,227 AUD
$1,564 USD
View
B+
Retailer 12
-
$2,525 AUD
$1,774 USD
View
B+
Retailer 13
-
$2,678 AUD
$1,881 USD
View
B+
Retailer 14
-
$3,278 AUD
SGD 3,112 SGD
View
B+
Retailer 15
-
$3,279 AUD
$2,303 USD
View
B+
Retailer 16
-
$3,297 AUD
$2,316 USD
View
B+
Retailer 17
-
$3,410 AUD
$2,396 USD
View
B
Retailer 18
-
$4,444 AUD
£2,458 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMNGNHN · Oct 30
$6,379 AUD
$4,481 USD
View
18 more retailers have this diamond
Prices start from $821 AUDSave up to $5,558 AUD

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
$821 AUD