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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG749570657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749570657

Diamond specifications and retailer prices

From $333 AUD
$234 USD
As of October 29, 2026
Save $1,520 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,853 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG749570657 or 749570657. Listed at 22 retailers as of October 29, 2026, with prices from $333 to $1,853, a $1,520 spread on the same certified stone. Reve Diamonds lists it at $1,853. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749570657
Dimensions7.35 × 7.29 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.35 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749570657
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $776 AUD|Low: $317 AUD|High: $1,853 AUD|Avg: $842 AUD|+6.0%
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
October 30, 2026
Retailer 7$333 AUD
Retailer 11$373 AUD
Retailer 15$386 AUD
Retailer 10$409 AUD
Retailer 4$413 AUD
Retailer 17$613 AUD
Retailer 5$699 AUD
Retailer 18$716 AUD
Retailer 12$717 AUD
Retailer 2$770 AUD
Retailer 1$776 AUD
Retailer 16$822 AUD
Retailer 14$1,079 AUD
Retailer 9$1,082 AUD
Retailer 8$1,327 AUD
Retailer 6$1,401 AUD
Retailer 3$1,537 AUD
Retailer 13$1,663 AUD
Reve Diamonds$1,853 AUD

38 data points across 19 retailers

22 retailers$333 AUD to $1,853 AUD

A
Cheapest Retailer
-
$333 AUD
$234 USD
A
Retailer 2
-
$373 AUD
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$386 AUD
$271 USD
View
Retailer 4
-
$409 AUD
$287 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$413 AUD
$290 USD
View
A
Retailer 6
-
$613 AUD
$431 USD
View
B+
Retailer 7
-
$699 AUD
$491 USD
View
Retailer 8
-
$716 AUD
£396 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$717 AUD
€480 EUR
View
B+
Retailer 10
-
$770 AUD
$541 USD
View
B+
Retailer 11
-
$776 AUD
£429 GBP
View
B+
Retailer 12
-
$822 AUD
View
B+
Retailer 13
-
$1,079 AUD
$758 USD
View
B
Retailer 14
-
$1,082 AUD
$760 USD
View
Retailer 15
-
$1,315 AUD
$924 USD
View
Price last confirmed 39 days ago
B
Retailer 16
-
$1,327 AUD
$932 USD
View
Retailer 17
-
$1,331 AUD
$935 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,401 AUD
$984 USD
View
B
Retailer 19
-
$1,466 AUD
$1,030 USD
View
Retailer 20
-
$1,537 AUD
$1,080 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
$1,663 AUD
£920 GBP
View
Most Expensive
B
Reve Diamonds
A2967E34E · Oct 30
$1,853 AUD
$1,302 USD
View
21 more retailers have this diamond
Prices start from $333 AUDSave up to $1,520 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
1.50ct Round
$333 AUD