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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770640751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640751

Diamond specifications and retailer prices

From $326 AUD
As of November 5, 2026
Save $1,505 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,831 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640751 or 770640751. Listed at 20 retailers as of November 4, 2026, with prices from $326 to $1,831, a $1,505 spread on the same certified stone. Reve Diamonds lists it at $1,831. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640751
Dimensions7.41 × 7.36 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.36 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640751
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Nov 5
Current: $739 AUD|Low: $310 AUD|High: $1,831 AUD|Avg: $856 AUD|+3.6%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 8$326 AUD
Retailer 12$370 AUD
Retailer 18$377 AUD
Retailer 4$403 AUD
Retailer 5$403 AUD
Retailer 2$639 AUD
Retailer 6$684 AUD
Retailer 11$690 AUD
Retailer 1$739 AUD
Retailer 15$760 AUD
Retailer 3$766 AUD
Retailer 17$833 AUD
Retailer 13$1,050 AUD
Retailer 10$1,271 AUD
Retailer 9$1,296 AUD
Retailer 14$1,300 AUD
Retailer 7$1,370 AUD
Retailer 16$1,616 AUD
Reve Diamonds$1,831 AUD

37 data points across 19 retailers

20 retailers$326 AUD to $1,831 AUD

A
Cheapest Retailer
-
$326 AUD
A
Retailer 2
-
$370 AUD
View
Final sale: no returns
A
Retailer 3
-
$377 AUD
View
A
Retailer 4
-
$403 AUD
View
Retailer 5
-
$403 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$639 AUD
View
A
Retailer 7
-
$684 AUD
View
A
Retailer 8
-
$690 AUD
View
A
Retailer 9
-
$739 AUD
View
A
Retailer 10
-
$760 AUD
View
B+
Retailer 11
-
$766 AUD
View
B+
Retailer 12
-
$833 AUD
View
B+
Retailer 13
-
$1,050 AUD
View
B+
Retailer 14
-
$1,067 AUD
View
Retailer 15
-
$1,271 AUD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,296 AUD
View
B
Retailer 17
-
$1,300 AUD
View
B
Retailer 18
-
$1,370 AUD
View
B
Retailer 19
-
$1,616 AUD
View
Most Expensive
B
Reve Diamonds
B6447E024 · Nov 4
$1,831 AUD
$1,282 USD
View
19 more retailers have this diamond
Prices start from $326 AUDSave up to $1,505 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
1.54ct Round
$326 AUD