Round|Lab Grown|IGI

5.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG677523726

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677523726

Diamond specifications and retailer prices

From $1,968 USD
A$3,028 AUD
As of October 31, 2026
11 retailers carry this diamond
Most expensive: $4,190 USD at Rare Carat · As of October 14, 2026
View at Rare Carat

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 LG677523726 or 677523726. Listed at 11 retailers as of October 31, 2026. 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 angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677523726
Dimensions11.26 × 11.20 × 6.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm11.20 mm5.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677523726
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,190 USD|Low: $855 USD|High: $6,780 USD|Avg: $2,614 USD|-6.4%
Rare Carat
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
October 26, 2026
Retailer 7$855 USD
Retailer 4$1,100 USD
Retailer 5$1,234 USD
Retailer 12$1,237 USD
Retailer 9$1,265 USD
Retailer 10$1,469 USD
Retailer 3$1,714 USD
Retailer 2$1,968 USD
Retailer 8$2,086 USD
Retailer 15$2,352 USD
Retailer 11$3,673 USD
Retailer 14$3,804 USD
Rare Carat$4,190 USD
Retailer 6$5,443 USD
Retailer 13$6,710 USD

23 data points across 15 retailers

11 retailers

Retailer 1
-
$756 USD
Price last confirmed 20 days ago
Retailer 2
-
$823 USD
View
Price last confirmed 17 days ago
Retailer 3
-
$1,234 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,237 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$1,968 USD
A$3,028 AUD
View
Retailer 6
-
$2,086 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$2,352 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$2,722 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$3,673 USD
£2,892 GBP
View
Price last confirmed 19 days ago
Retailer 10
-
$3,804 USD
A$5,852 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
797817 · Oct 14
$4,190 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $1,968 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
$1,968 USD