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Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG608398194

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398194

Diamond specifications and retailer prices

From $738 USD
As of October 29, 2026
Save $2,641 USD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,070 USD at Brilliant Earth · As of October 16, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG608398194 or 608398194. Listed at 17 retailers as of October 29, 2026, with a 358% 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
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398194
Dimensions11.41 × 11.45 × 6.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.41 mm11.45 mm5.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398194
Side View
Table 58.0%Crown 33.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

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: $7,070 USD|Low: $738 USD|High: $8,720 USD|Avg: $2,123 USD|-18.9%
Brilliant Earth
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
October 30, 2026
Retailer 4$738 USD
Retailer 12$803 USD
Retailer 15$856 USD
Retailer 17$856 USD
Retailer 16$1,126 USD
Retailer 7$1,329 USD
Retailer 2$1,369 USD
Retailer 5$1,386 USD
Retailer 11$1,390 USD
Retailer 10$1,443 USD
Retailer 13$2,108 USD
Retailer 8$2,175 USD
Retailer 3$2,407 USD
Retailer 6$2,893 USD
Retailer 9$2,951 USD
Retailer 14$3,379 USD
Brilliant Earth$7,070 USD

38 data points across 17 retailers

17 retailers$738 USD to $3,379 USD

A
Cheapest Retailer
-
$738 USD
A
Retailer 2
-
$803 USD
View
Retailer 3
-
$856 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$856 USD
View
Retailer 5
-
$1,126 USD
£887 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,329 USD
View
A
Retailer 7
-
$1,369 USD
£1,078 GBP
View
B+
Retailer 8
-
$1,386 USD
View
A
Retailer 9
-
$1,390 USD
View
A
Retailer 10
-
$1,443 USD
€1,374 EUR
View
B+
Retailer 11
-
$2,108 USD
View
B+
Retailer 12
-
$2,175 USD
View
B+
Retailer 13
-
$2,407 USD
View
B
Retailer 14
-
$2,893 USD
View
Retailer 15
-
$2,951 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$3,379 USD
£2,661 GBP
View
Most Expensive
Brilliant Earth
8717452A · Oct 16
$7,070 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $738 USDSave up to $2,641 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
5.51ct Round
$738 USD