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Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG758503991

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758503991

Diamond specifications and retailer prices

From $1,211 AUD
$851 USD
As of November 1, 2026
Save $4,330 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,542 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG758503991 or 758503991. Listed at 14 retailers as of October 31, 2026, with prices from $1,211 to $5,542, a $4,330 spread on the same certified stone. Taylor and Hart lists it at $5,542. 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 angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503991
Dimensions11.39 × 11.34 × 6.91 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
11.39 mm11.34 mm5.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503991
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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: Nov 1
Current: $5,270 AUD|Low: $1,163 AUD|High: $5,542 AUD|Avg: $2,776 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 11$1,211 AUD
Retailer 12$1,357 AUD
Retailer 3$1,407 AUD
Retailer 13$1,407 AUD
Retailer 7$1,658 AUD
Retailer 8$1,850 AUD
Retailer 6$2,153 AUD
Retailer 2$2,261 AUD
Retailer 5$2,504 AUD
Retailer 4$3,150 AUD
Retailer 9$3,232 AUD
Retailer 10$4,400 AUD
Retailer 1$5,270 AUD
Taylor and Hart$5,542 AUD

39 data points across 14 retailers

14 retailers$1,211 AUD to $5,542 AUD

A
Cheapest Retailer
-
$1,211 AUD
$851 USD
A
Retailer 2
-
$1,318 AUD
$926 USD
View
A
Retailer 3
-
$1,357 AUD
$953 USD
View
Final sale: no returns
A
Retailer 4
-
$1,407 AUD
$988 USD
View
A
Retailer 5
-
$1,658 AUD
$1,165 USD
View
Retailer 6
-
$1,850 AUD
£1,023 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$2,153 AUD
£1,191 GBP
View
B+
Retailer 8
-
$2,261 AUD
$1,588 USD
View
B+
Retailer 9
-
$3,150 AUD
$2,213 USD
View
B
Retailer 10
-
$3,232 AUD
$2,270 USD
View
B
Retailer 11
-
$3,953 AUD
$2,777 USD
View
B
Retailer 12
-
$4,400 AUD
$3,091 USD
View
B
Retailer 13
-
$5,270 AUD
£2,915 GBP
View
Most Expensive
B
Taylor and Hart
A06PVF1 · Oct 31
$5,542 AUD
$3,893 USD
View
13 more retailers have this diamond
Prices start from $1,211 AUDSave up to $4,330 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
$1,211 AUD