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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG608398090

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398090

Diamond specifications and retailer prices

From $1,071 AUD
$752 USD
As of October 29, 2026
Save $8,325 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,396 AUD at Brilliant Earth · As of October 30, 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 LG608398090 or 608398090. Listed at 18 retailers as of October 29, 2026, with prices from $1,071 to $9,396, a $8,325 spread on the same certified stone. Brilliant Earth lists it at $9,396. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398090
Dimensions11.36 × 11.33 × 6.97 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
11.36 mm11.33 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398090
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

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: $9,396 AUD|Low: $1,022 AUD|High: $9,424 AUD|Avg: $2,908 AUD|-0.3%
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
October 31, 2026
Retailer 5$1,071 AUD
Retailer 14$1,165 AUD
Retailer 3$1,241 AUD
Retailer 17$1,241 AUD
Retailer 18$1,633 AUD
Retailer 6$1,913 AUD
Retailer 12$1,970 AUD
Retailer 11$1,986 AUD
Retailer 8$2,009 AUD
Retailer 2$2,028 AUD
Retailer 7$2,814 AUD
Retailer 15$2,951 AUD
Retailer 4$3,489 AUD
Retailer 9$4,195 AUD
Retailer 10$4,282 AUD
Retailer 13$4,900 AUD
Retailer 16$5,203 AUD
Brilliant Earth$9,396 AUD

42 data points across 18 retailers

18 retailers$1,071 AUD to $9,396 AUD

A
Cheapest Retailer
-
$1,071 AUD
$752 USD
A
Retailer 2
-
$1,165 AUD
$818 USD
View
Retailer 3
-
$1,241 AUD
$872 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,241 AUD
$872 USD
View
Retailer 5
-
$1,633 AUD
£903 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,913 AUD
$1,344 USD
View
A
Retailer 7
-
$1,970 AUD
£1,090 GBP
View
B+
Retailer 8
-
$1,986 AUD
$1,395 USD
View
B+
Retailer 9
-
$2,009 AUD
$1,411 USD
View
A
Retailer 10
-
$2,028 AUD
€1,357 EUR
View
B+
Retailer 11
-
$2,814 AUD
$1,977 USD
View
B+
Retailer 12
-
$2,951 AUD
$2,073 USD
View
B+
Retailer 13
-
$3,489 AUD
$2,451 USD
View
B
Retailer 14
-
$4,195 AUD
$2,947 USD
View
Retailer 15
-
$4,282 AUD
$3,008 USD
View
Price last confirmed 13 days ago
Retailer 16
-
$4,900 AUD
£2,710 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
8717327A · Oct 30
$9,396 AUD
$6,600 USD
View
17 more retailers have this diamond
Prices start from $1,071 AUDSave up to $8,325 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
$1,071 AUD