Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG689507047

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689507047

Diamond specifications and retailer prices

From $1,442 AUD
$1,013 USD
As of October 29, 2026
Save $4,449 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,891 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689507047 or 689507047. Listed at 13 retailers as of October 29, 2026, with prices from $1,442 to $5,891, a $4,449 spread on the same certified stone. Taylor and Hart lists it at $5,891. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689507047
Dimensions11.35 × 11.39 × 6.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.35 mm11.39 mm5.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689507047
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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: $2,426 AUD|Low: $1,155 AUD|High: $5,803 AUD|Avg: $2,851 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$1,155 AUD
Retailer 9$1,442 AUD
Retailer 8$1,570 AUD
Retailer 12$1,674 AUD
Retailer 1$2,426 AUD
Retailer 2$2,672 AUD
Retailer 6$2,697 AUD
Retailer 10$3,136 AUD
Retailer 4$3,159 AUD
Retailer 7$3,389 AUD
Retailer 11$5,236 AUD
Retailer 5$5,706 AUD

15 data points across 12 retailers

13 retailers$1,442 AUD to $5,891 AUD

A
Cheapest Retailer
-
$1,442 AUD
$1,013 USD
Retailer 2
-
$1,570 AUD
$1,103 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,674 AUD
$1,176 USD
View
B+
Retailer 4
-
$2,426 AUD
£1,342 GBP
View
B+
Retailer 5
-
$2,672 AUD
$1,877 USD
View
B+
Retailer 6
-
$2,697 AUD
€1,804 EUR
View
B+
Retailer 7
-
$3,136 AUD
$2,203 USD
View
B+
Retailer 8
-
$3,159 AUD
$2,219 USD
View
Retailer 9
-
$3,389 AUD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$5,025 AUD
$3,530 USD
View
B
Retailer 11
-
$5,236 AUD
$3,678 USD
View
B
Retailer 12
-
$5,706 AUD
£3,156 GBP
View
Most Expensive
B
Taylor and Hart
4DWGE26 · Oct 30
$5,891 AUD
$4,138 USD
View
12 more retailers have this diamond
Prices start from $1,442 AUDSave up to $4,449 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
$1,442 AUD