Marquise|Lab Grown|IGI

5.51ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG830634781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830634781

Diamond specifications and retailer prices

From $6,997 CAD
$5,009 USD
As of October 31, 2026
Save $13,250 CAD (65%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $53,180 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown marquise diamond

This 5.51ct 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 LG830634781 or 830634781. Listed at 24 retailers as of October 29, 2026, with a 189% 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

5.51
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830634781
Dimensions19.02 × 9.10 × 5.39 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.02 mm9.10 mm5.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830634781
Side View
Table 57.0%Crown 31.6°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $53,180 CAD|Low: $6,997 CAD|High: $58,823 CAD|Avg: $17,352 CAD|-9.6%
Do Amore 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 29, 2026
Retailer 7$6,997 CAD
Retailer 5$7,420 CAD
Retailer 10$8,655 CAD
Retailer 4$8,967 CAD
Retailer 18$8,967 CAD
Retailer 17$8,975 CAD
Retailer 15$9,778 CAD
Retailer 16$11,042 CAD
Retailer 12$12,368 CAD
Retailer 6$12,980 CAD
Retailer 3$13,743 CAD
Retailer 11$14,093 CAD
Retailer 19$16,979 CAD
Retailer 2$20,107 CAD
Retailer 13$20,247 CAD
Retailer 14$20,737 CAD
Retailer 8$24,679 CAD
Retailer 9$34,441 CAD
Do Amore Diamonds$53,180 CAD

36 data points across 19 retailers

24 retailers$6,997 CAD to $20,247 CAD

B+
Cheapest Retailer
-
$6,997 CAD
$5,009 USD
Retailer 2
-
$7,420 CAD
$5,312 USD
View
Price last confirmed 28 days ago
B+
Retailer 3
-
$7,729 CAD
$5,533 USD
View
Retailer 4
-
$8,101 CAD
$5,799 USD
View
Price last confirmed 32 days ago
B
Retailer 5
-
$8,655 CAD
$6,196 USD
View
Final sale: no returns
Retailer 6
-
$8,967 CAD
$6,419 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$8,967 CAD
$6,419 USD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$8,967 CAD
$6,419 USD
View
B
Retailer 9
-
$8,975 CAD
$6,425 USD
View
B
Retailer 10
-
$9,778 CAD
$7,000 USD
View
B
Retailer 11
-
$11,042 CAD
$7,905 USD
View
Retailer 12
-
$11,749 CAD
$8,411 USD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$11,749 CAD
$8,411 USD
View
B
Retailer 14
-
$12,368 CAD
£6,972 GBP
View
B
Retailer 15
-
$12,980 CAD
$9,292 USD
View
Retailer 16
-
$13,743 CAD
A$15,136 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$14,093 CAD
£7,944 GBP
View
B
Retailer 18
-
$16,979 CAD
$12,155 USD
View
B
Retailer 19
-
$20,107 CAD
ZAR 232,541 ZAR
View
B
Retailer 20
-
$20,247 CAD
£11,413 GBP
View
Retailer 21
-
$20,737 CAD
A$22,839 AUD
View
Price last confirmed 8 days ago
Retailer 22
-
$24,679 CAD
$17,667 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-C327FB300 · Oct 29
$53,180 CAD
$38,070 USD
View
Price under review
22 more retailers have this diamond
Prices start from $6,997 CADSave up to $13,250 CAD

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.

B+
5.51ct Marquise
$6,997 CAD