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 HK$39,299 HKD
$5,009 USD
As of November 2, 2026
Save HK$73,813 HKD (65%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$298,686 HKD at Do Amore Diamonds · As of November 2, 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 November 1, 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: Nov 2
Current: HK$298,686 HKD|Low: HK$39,299 HKD|High: HK$330,382 HKD|Avg: HK$97,035 HKD|-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 2, 2026
Retailer 7HK$39,299 HKD
Retailer 5HK$41,676 HKD
Retailer 10HK$48,612 HKD
Retailer 4HK$50,362 HKD
Retailer 19HK$50,362 HKD
Retailer 18HK$50,409 HKD
Retailer 16HK$54,920 HKD
Retailer 17HK$62,020 HKD
Retailer 2HK$69,681 HKD
Retailer 6HK$72,902 HKD
Retailer 14HK$76,292 HKD
Retailer 11HK$79,154 HKD
Retailer 3HK$95,364 HKD
Retailer 15HK$112,933 HKD
Retailer 12HK$113,112 HKD
Retailer 13HK$116,273 HKD
Retailer 8HK$138,608 HKD
Retailer 9HK$193,439 HKD
Do Amore DiamondsHK$298,686 HKD

39 data points across 19 retailers

24 retailersHK$39,299 HKD to HK$113,112 HKD

B+
Cheapest Retailer
-
HK$39,299 HKD
$5,009 USD
Retailer 2
-
HK$41,676 HKD
$5,312 USD
View
Price last confirmed 31 days ago
B+
Retailer 3
-
HK$43,410 HKD
$5,533 USD
View
Retailer 4
-
HK$45,497 HKD
$5,799 USD
View
Price last confirmed 34 days ago
B
Retailer 5
-
HK$48,612 HKD
$6,196 USD
View
Final sale: no returns
Retailer 6
-
HK$50,362 HKD
$6,419 USD
View
Price last confirmed 30 days ago
Retailer 7
-
HK$50,362 HKD
$6,419 USD
View
Price last confirmed 16 days ago
B
Retailer 8
-
HK$50,362 HKD
$6,419 USD
View
B
Retailer 9
-
HK$50,409 HKD
$6,425 USD
View
B
Retailer 10
-
HK$54,920 HKD
$7,000 USD
View
B
Retailer 11
-
HK$62,020 HKD
$7,905 USD
View
Retailer 12
-
HK$65,990 HKD
$8,411 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
HK$65,990 HKD
$8,411 USD
View
B
Retailer 14
-
HK$69,681 HKD
£6,993 GBP
View
B
Retailer 15
-
HK$72,902 HKD
$9,292 USD
View
B
Retailer 16
-
HK$76,292 HKD
A$14,960 AUD
View
B
Retailer 17
-
HK$79,154 HKD
£7,944 GBP
View
B
Retailer 18
-
HK$95,364 HKD
$12,155 USD
View
B
Retailer 19
-
HK$112,933 HKD
ZAR 232,541 ZAR
View
B
Retailer 20
-
HK$113,112 HKD
£11,352 GBP
View
Retailer 21
-
HK$116,273 HKD
A$22,800 AUD
View
Price under review
Retailer 22
-
HK$138,608 HKD
$17,667 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-C327FB300 · Nov 2
HK$298,686 HKD
$38,070 USD
View
Price under review
22 more retailers have this diamond
Prices start from HK$39,299 HKDSave up to HK$73,813 HKD

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
HK$39,299 HKD