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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG585398133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG585398133

Diamond specifications and retailer prices

From $1,405 USD
As of October 29, 2026
Save $5,195 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,600 USD at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG585398133 or 585398133. Listed at 16 retailers as of October 26, 2026, with prices from $1,405 to $6,600, a $5,195 spread on the same certified stone. Brilliant Earth lists it at $6,600. 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
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585398133
Dimensions11.29 × 11.25 × 7.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.29 mm11.25 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585398133
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

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: $6,600 USD|Low: $575 USD|High: $6,910 USD|Avg: $2,428 USD|-4.5%
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
October 30, 2026
Retailer 5$804 USD
Retailer 8$1,405 USD
Retailer 7$1,429 USD
Retailer 12$1,463 USD
Retailer 2$1,529 USD
Retailer 4$1,604 USD
Retailer 11$2,013 USD
Retailer 9$2,293 USD
Retailer 13$3,121 USD
Retailer 3$3,460 USD
Retailer 10$3,655 USD
Retailer 6$3,759 USD
Brilliant Earth$6,600 USD

39 data points across 13 retailers

16 retailers$1,405 USD to $6,600 USD

Retailer 1
-
$718 USD
Price last confirmed 36 days ago
Retailer 2
-
$781 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$822 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$1,405 USD
View
A
Retailer 5
-
$1,429 USD
€1,361 EUR
View
B+
Retailer 6
-
$1,463 USD
View
B+
Retailer 7
-
$1,529 USD
£1,204 GBP
View
B+
Retailer 8
-
$1,604 USD
View
B+
Retailer 9
-
$2,013 USD
View
B+
Retailer 10
-
$2,293 USD
View
Retailer 11
-
$2,343 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$3,121 USD
View
Retailer 13
-
$3,460 USD
View
Price last confirmed 11 days ago
Retailer 14
-
$3,655 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$3,759 USD
£2,960 GBP
View
Most Expensive
B
Brilliant Earth
7627984A · Oct 26
$6,600 USD
View
15 more retailers have this diamond
Prices start from $1,405 USDSave up to $5,195 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
$1,405 USD