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 $2,505 USD
As of October 29, 2026
Save $12,155 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,870 USD 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $14,870 USD|Low: $2,092 USD|High: $15,390 USD|Avg: $6,020 USD|-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$2,505 USD
Retailer 6$2,760 USD
Retailer 3$2,829 USD
Retailer 4$2,923 USD
Retailer 5$3,094 USD
Retailer 9$6,310 USD
Retailer 10$6,793 USD
Retailer 8$7,677 USD
Retailer 11$8,195 USD
Retailer 2$14,660 USD
Brilliant Earth$14,870 USD

14 data points across 11 retailers

11 retailers$2,505 USD to $14,660 USD

A
Cheapest Retailer
-
$2,505 USD
Final sale: no returns
A
Retailer 2
-
$2,760 USD
View
B+
Retailer 3
-
$2,829 USD
HK$22,100 HKD
View
A
Retailer 4
-
$2,923 USD
£2,301 GBP
View
B+
Retailer 5
-
$3,094 USD
View
Retailer 6
-
$6,310 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$6,793 USD
A$10,450 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$7,677 USD
£6,045 GBP
View
B
Retailer 9
-
$8,195 USD
SGD 11,074 SGD
View
B
Retailer 10
-
$14,660 USD
View
Most Expensive
Brilliant Earth
21190283Y · Oct 26
$14,870 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,505 USDSave up to $12,155 USD

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
$2,505 USD