Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG799639396

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799639396

Diamond specifications and retailer prices

From $2,023 AUD
HK$11,100 HKD
As of October 31, 2026
Save $3,934 AUD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,956 AUD at Taylor and Hart · As of October 30, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799639396 or 799639396. Listed at 12 retailers as of October 30, 2026, with prices from $2,023 to $5,956, a $3,934 spread on the same certified stone. Taylor and Hart lists it at $5,956. 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 angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799639396
Dimensions11.21 × 11.30 × 6.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm11.30 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799639396
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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 31
Current: $2,531 AUD|Low: $1,765 AUD|High: $5,956 AUD|Avg: $3,548 AUD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 6$2,023 AUD
Retailer 11$2,114 AUD
Retailer 8$2,202 AUD
Retailer 3$2,262 AUD
Retailer 9$2,264 AUD
Retailer 4$2,403 AUD
Retailer 1$2,531 AUD
Retailer 2$3,138 AUD
Retailer 7$5,374 AUD
Retailer 5$5,684 AUD
Retailer 10$5,878 AUD
Taylor and Hart$5,956 AUD

42 data points across 12 retailers

12 retailers$2,023 AUD to $5,956 AUD

A
Cheapest Retailer
-
$2,023 AUD
HK$11,100 HKD
A
Retailer 2
-
$2,114 AUD
$1,485 USD
View
Retailer 3
-
$2,202 AUD
£1,218 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$2,262 AUD
$1,589 USD
View
B+
Retailer 5
-
$2,264 AUD
$1,590 USD
View
A
Retailer 6
-
$2,403 AUD
£1,329 GBP
View
B+
Retailer 7
-
$2,531 AUD
€1,693 EUR
View
B+
Retailer 8
-
$3,138 AUD
$2,204 USD
View
Retailer 9
-
$5,374 AUD
$3,775 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$5,684 AUD
£3,144 GBP
View
B
Retailer 11
-
$5,878 AUD
SGD 5,580 SGD
View
Most Expensive
B
Taylor and Hart
2TEPZBX · Oct 30
$5,956 AUD
$4,184 USD
View
11 more retailers have this diamond
Prices start from $2,023 AUDSave up to $3,934 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
$2,023 AUD