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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG608358983

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608358983

Diamond specifications and retailer prices

From $1,344 USD
As of October 29, 2026
Save $5,256 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,600 USD at Brilliant Earth · As of October 28, 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 LG608358983 or 608358983. Listed at 16 retailers as of October 28, 2026, with prices from $1,344 to $6,600, a $5,256 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608358983
Dimensions11.35 × 11.32 × 6.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.35 mm11.32 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608358983
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: $6,600 USD|Low: $833 USD|High: $6,910 USD|Avg: $2,301 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$833 USD
Retailer 10$1,147 USD
Retailer 11$1,344 USD
Retailer 2$1,396 USD
Retailer 7$1,405 USD
Retailer 13$1,411 USD
Retailer 6$1,429 USD
Retailer 12$1,977 USD
Retailer 9$2,073 USD
Retailer 3$2,947 USD
Retailer 4$3,008 USD
Retailer 8$3,428 USD
Brilliant Earth$6,600 USD

39 data points across 13 retailers

16 retailers$1,344 USD to $6,600 USD

Retailer 1
-
$718 USD
Price last confirmed 35 days ago
Retailer 2
-
$781 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$822 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$1,147 USD
£903 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,344 USD
View
A
Retailer 6
-
$1,396 USD
£1,099 GBP
View
B+
Retailer 7
-
$1,405 USD
View
B+
Retailer 8
-
$1,411 USD
View
A
Retailer 9
-
$1,429 USD
€1,361 EUR
View
B+
Retailer 10
-
$1,977 USD
View
B+
Retailer 11
-
$2,073 USD
View
Retailer 12
-
$2,343 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$2,947 USD
View
Retailer 14
-
$3,008 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$3,428 USD
£2,699 GBP
View
Most Expensive
B
Brilliant Earth
8695080A · Oct 28
$6,600 USD
View
15 more retailers have this diamond
Prices start from $1,344 USDSave up to $5,256 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
$1,344 USD