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Round|Lab Grown|IGI

5.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG579385233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579385233

Diamond specifications and retailer prices

From $2,158 USD
As of October 30, 2026
Save $1,982 USD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579385233 or 579385233. Listed at 2 retailers as of October 29, 2026, with prices from $2,158 to $4,140, a $1,982 spread on the same certified stone. Brilliant Earth lists it at $4,140. 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
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579385233
Dimensions11.30 × 11.25 × 7.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.30 mm11.25 mm5.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579385233
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $4,140 USD|Low: $995 USD|High: $7,990 USD|Avg: $2,726 USD|-48.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 4, 2026
Retailer 3$999 USD
Retailer 4$1,030 USD
Retailer 2$2,158 USD
Brilliant Earth$4,140 USD
Retailer 5$4,374 USD

29 data points across 5 retailers

2 retailers$2,158 USD to $4,140 USD

B+
Cheapest Retailer
-
$2,158 USD
Most Expensive
B
Brilliant Earth
7315769Y · Oct 29
$4,140 USD
View
1 more retailer has this diamond
Prices start from $2,158 USDSave up to $1,982 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.

B+
5.51ct Round
$2,158 USD