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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 $7,131 AUD
$5,009 USD
As of October 31, 2026
Save $13,393 AUD (65%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $54,196 AUD at Do Amore Diamonds · As of October 31, 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 31, 2026, with a 188% 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
Colour
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: $54,196 AUD|Low: $7,131 AUD|High: $59,948 AUD|Avg: $17,631 AUD|-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
November 1, 2026
Retailer 7$7,131 AUD
Retailer 5$7,562 AUD
Retailer 10$8,821 AUD
Retailer 4$9,138 AUD
Retailer 19$9,138 AUD
Retailer 18$9,147 AUD
Retailer 16$9,965 AUD
Retailer 17$11,254 AUD
Retailer 15$12,605 AUD
Retailer 6$13,228 AUD
Retailer 13$13,843 AUD
Retailer 11$14,363 AUD
Retailer 3$17,304 AUD
Retailer 14$20,492 AUD
Retailer 2$20,524 AUD
Retailer 12$21,098 AUD
Retailer 8$25,150 AUD
Retailer 9$35,099 AUD
Do Amore Diamonds$54,196 AUD

38 data points across 19 retailers

24 retailers$7,131 AUD to $20,524 AUD

B+
Cheapest Retailer
-
$7,131 AUD
$5,009 USD
Retailer 2
-
$7,562 AUD
$5,312 USD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$7,877 AUD
$5,533 USD
View
Retailer 4
-
$8,255 AUD
$5,799 USD
View
Price last confirmed 33 days ago
B
Retailer 5
-
$8,821 AUD
$6,196 USD
View
Final sale: no returns
Retailer 6
-
$9,138 AUD
$6,419 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$9,138 AUD
$6,419 USD
View
Price last confirmed 16 days ago
B
Retailer 8
-
$9,138 AUD
$6,419 USD
View
B
Retailer 9
-
$9,147 AUD
$6,425 USD
View
B
Retailer 10
-
$9,965 AUD
$7,000 USD
View
B
Retailer 11
-
$11,254 AUD
$7,905 USD
View
Retailer 12
-
$11,974 AUD
$8,411 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$11,974 AUD
$8,411 USD
View
B
Retailer 14
-
$12,605 AUD
£6,972 GBP
View
B
Retailer 15
-
$13,228 AUD
$9,292 USD
View
B
Retailer 16
-
$13,843 AUD
View
B
Retailer 17
-
$14,363 AUD
£7,944 GBP
View
B
Retailer 18
-
$17,304 AUD
$12,155 USD
View
B
Retailer 19
-
$20,492 AUD
ZAR 232,541 ZAR
View
B
Retailer 20
-
$20,524 AUD
£11,352 GBP
View
Retailer 21
-
$21,098 AUD
View
Price under review
Retailer 22
-
$25,150 AUD
$17,667 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-C327FB300 · Oct 31
$54,196 AUD
$38,070 USD
View
Price under review
22 more retailers have this diamond
Prices start from $7,131 AUDSave up to $13,393 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.

B+
5.51ct Marquise
$7,131 AUD