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Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG720514905

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720514905

Diamond specifications and retailer prices

From $729 USD
As of October 29, 2026
Save $4,781 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,510 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720514905 or 720514905. Listed at 25 retailers as of October 29, 2026, with prices from $729 to $5,510, a $4,781 spread on the same certified stone. Brilliant Earth lists it at $5,510. 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 angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720514905
Dimensions11.37 × 11.42 × 6.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm11.42 mm5.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720514905
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,510 USD|Low: $729 USD|High: $5,800 USD|Avg: $2,178 USD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 11$729 USD
Retailer 7$793 USD
Retailer 4$846 USD
Retailer 12$846 USD
Retailer 21$998 USD
Retailer 17$1,020 USD
Retailer 13$1,110 USD
Retailer 5$1,258 USD
Retailer 15$1,349 USD
Retailer 2$1,352 USD
Retailer 6$1,371 USD
Retailer 20$1,857 USD
Retailer 18$1,864 USD
Retailer 8$2,171 USD
Retailer 3$2,377 USD
Retailer 9$2,858 USD
Retailer 10$2,915 USD
Retailer 16$3,338 USD
Retailer 14$3,768 USD
Retailer 19$4,295 USD
Brilliant Earth$5,510 USD

29 data points across 21 retailers

25 retailers$729 USD to $5,510 USD

A
Cheapest Retailer
-
$729 USD
A
Retailer 2
-
$793 USD
View
Retailer 3
-
$846 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$846 USD
View
A
Retailer 5
-
$863 USD
View
Final sale: no returns
A
Retailer 6
-
$998 USD
HK$7,800 HKD
View
A
Retailer 7
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$1,020 USD
View
A
Retailer 8
-
$1,110 USD
£874 GBP
View
A
Retailer 9
-
$1,258 USD
View
A
Retailer 10
-
$1,349 USD
£1,062 GBP
View
A
Retailer 11
-
$1,352 USD
€1,288 EUR
View
B+
Retailer 12
-
$1,371 USD
View
B+
Retailer 13
-
$1,857 USD
View
B+
Retailer 14
-
$1,864 USD
A$2,868 AUD
View
B+
Retailer 15
-
$2,171 USD
View
B+
Retailer 16
-
$2,377 USD
View
B+
Retailer 17
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$2,799 USD
View
B+
Retailer 18
-
$2,858 USD
View
Retailer 19
-
$2,915 USD
View
Price last confirmed 13 days ago
B
Retailer 20
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$3,338 USD
£2,628 GBP
View
Retailer 21
-
$3,768 USD
A$5,797 AUD
View
Price last confirmed 23 days ago
Retailer 22
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$4,265 USD
View
Price last confirmed 10 days ago
Retailer 23
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$4,275 USD
View
Price last confirmed 10 days ago
Retailer 24
-
$4,295 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18300038A · Oct 29
$5,510 USD
View
24 more retailers have this diamond
Prices start from $729 USDSave up to $4,781 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
$729 USD