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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG792671954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792671954

Diamond specifications and retailer prices

From $1,767 AUD
HK$9,700 HKD
As of October 30, 2026
Save $4,043 AUD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,155 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792671954 or 792671954. Listed at 10 retailers as of October 30, 2026, with a 229% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.91
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792671954
Dimensions11.66 × 11.75 × 7.00 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
11.66 mm11.75 mm5.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792671954
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

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 30
Current: $20,155 AUD|Low: $2,121 AUD|High: $20,753 AUD|Avg: $5,581 AUD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$2,206 AUD
Retailer 2$2,387 AUD
Retailer 4$2,423 AUD
Retailer 7$2,659 AUD
Retailer 3$5,682 AUD
Retailer 9$5,811 AUD
Retailer 6$6,025 AUD
Retailer 5$7,793 AUD
Brilliant Earth$20,155 AUD

34 data points across 9 retailers

10 retailers$1,767 AUD to $5,811 AUD

A
Cheapest Retailer
-
$1,767 AUD
HK$9,700 HKD
A
Retailer 2
-
$2,206 AUD
$1,550 USD
View
A
Retailer 3
-
$2,387 AUD
£1,321 GBP
View
A
Retailer 4
-
$2,423 AUD
€1,621 EUR
View
A
Retailer 5
-
$2,659 AUD
$1,868 USD
View
B+
Retailer 6
-
$5,682 AUD
£3,143 GBP
View
B
Retailer 7
-
$5,811 AUD
$4,082 USD
View
Retailer 8
-
$6,025 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$7,793 AUD
$5,475 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
20130325A · Oct 29
$20,155 AUD
$14,160 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,767 AUDSave up to $4,043 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
5.91ct Round
$1,767 AUD