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Marquise|Lab Grown|IGI

5.50ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG830602915

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830602915

Diamond specifications and retailer prices

From $3,566 AUD
$2,505 USD
As of October 29, 2026
Save $17,304 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,169 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830602915 or 830602915. Listed at 11 retailers as of October 29, 2026, with a 485% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.50
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830602915
Dimensions18.17 × 9.14 × 5.72 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.17 mm9.14 mm5.50 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830602915
Side View
Table 59.0%Crown 34.4°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.6%

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: $21,169 AUD|Low: $2,978 AUD|High: $21,909 AUD|Avg: $8,570 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7$3,566 AUD
Retailer 6$3,929 AUD
Retailer 3$4,027 AUD
Retailer 4$4,161 AUD
Retailer 5$4,405 AUD
Retailer 9$8,983 AUD
Retailer 10$9,670 AUD
Retailer 8$10,929 AUD
Retailer 11$11,666 AUD
Retailer 2$20,870 AUD
Brilliant Earth$21,169 AUD

14 data points across 11 retailers

11 retailers$3,566 AUD to $20,870 AUD

A
Cheapest Retailer
-
$3,566 AUD
$2,505 USD
Final sale: no returns
A
Retailer 2
-
$3,929 AUD
$2,760 USD
View
B+
Retailer 3
-
$4,027 AUD
HK$22,100 HKD
View
A
Retailer 4
-
$4,161 AUD
£2,301 GBP
View
B+
Retailer 5
-
$4,405 AUD
$3,094 USD
View
Retailer 6
-
$8,983 AUD
$6,310 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$9,670 AUD
View
Price last confirmed 23 days ago
B
Retailer 8
-
$10,929 AUD
£6,045 GBP
View
B
Retailer 9
-
$11,666 AUD
SGD 11,074 SGD
View
B
Retailer 10
-
$20,870 AUD
$14,660 USD
View
Most Expensive
Brilliant Earth
21190283Y · Oct 26
$21,169 AUD
$14,870 USD
View
Price under review
10 more retailers have this diamond
Prices start from $3,566 AUDSave up to $17,304 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
5.50ct Marquise
$3,566 AUD