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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 $1,038 AUD
$729 USD
As of November 1, 2026
Save $6,806 AUD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,844 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $1,038 to $7,844, a $6,806 spread on the same certified stone. Brilliant Earth lists it at $7,844. 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
Colour
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

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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: Nov 1
Current: $7,844 AUD|Low: $1,038 AUD|High: $8,257 AUD|Avg: $3,078 AUD|-5.0%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 11$1,038 AUD
Retailer 7$1,129 AUD
Retailer 4$1,204 AUD
Retailer 12$1,204 AUD
Retailer 21$1,421 AUD
Retailer 17$1,452 AUD
Retailer 13$1,575 AUD
Retailer 5$1,791 AUD
Retailer 15$1,909 AUD
Retailer 16$1,925 AUD
Retailer 6$1,952 AUD
Retailer 20$2,644 AUD
Retailer 18$2,654 AUD
Retailer 8$3,091 AUD
Retailer 3$3,384 AUD
Retailer 9$4,069 AUD
Retailer 10$4,149 AUD
Retailer 2$4,726 AUD
Retailer 14$5,364 AUD
Retailer 19$6,114 AUD
Brilliant Earth$7,844 AUD

29 data points across 21 retailers

25 retailers$1,038 AUD to $7,844 AUD

A
Cheapest Retailer
-
$1,038 AUD
$729 USD
A
Retailer 2
-
$1,129 AUD
$793 USD
View
Retailer 3
-
$1,204 AUD
$846 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,204 AUD
$846 USD
View
A
Retailer 5
-
$1,229 AUD
$863 USD
View
Final sale: no returns
A
Retailer 6
-
$1,421 AUD
HK$7,800 HKD
View
A
Retailer 7
-
$1,452 AUD
$1,020 USD
View
A
Retailer 8
-
$1,575 AUD
£871 GBP
View
A
Retailer 9
-
$1,791 AUD
$1,258 USD
View
A
Retailer 10
-
$1,909 AUD
£1,056 GBP
View
A
Retailer 11
-
$1,925 AUD
€1,288 EUR
View
B+
Retailer 12
-
$1,952 AUD
$1,371 USD
View
B+
Retailer 13
-
$2,644 AUD
$1,857 USD
View
B+
Retailer 14
-
$2,654 AUD
View
B+
Retailer 15
-
$3,091 AUD
$2,171 USD
View
B+
Retailer 16
-
$3,384 AUD
$2,377 USD
View
B+
Retailer 17
-
$3,985 AUD
$2,799 USD
View
B+
Retailer 18
-
$4,069 AUD
$2,858 USD
View
Retailer 19
-
$4,149 AUD
$2,915 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$4,726 AUD
£2,614 GBP
View
Retailer 21
-
$5,364 AUD
View
Price last confirmed 24 days ago
Retailer 22
-
$6,072 AUD
$4,265 USD
View
Price last confirmed 11 days ago
Retailer 23
-
$6,086 AUD
$4,275 USD
View
Price last confirmed 11 days ago
Retailer 24
-
$6,114 AUD
$4,295 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18300038A · Oct 31
$7,844 AUD
$5,510 USD
View
24 more retailers have this diamond
Prices start from $1,038 AUDSave up to $6,806 AUD

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
$1,038 AUD