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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG739579235

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739579235

Diamond specifications and retailer prices

From $225 AUD
$158 USD
As of October 29, 2026
Save $1,282 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,507 AUD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG739579235 or 739579235. Listed at 22 retailers as of October 28, 2026, with prices from $225 to $1,507, a $1,282 spread on the same certified stone. Reve Diamonds lists it at $1,507. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739579235
Dimensions6.43 × 6.46 × 3.94 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
6.43 mm6.46 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739579235
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.2%

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: $487 AUD|Low: $222 AUD|High: $1,507 AUD|Avg: $602 AUD|+7.5%
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
Reve Diamonds
October 30, 2026
Retailer 6$225 AUD
Retailer 14$251 AUD
Retailer 10$260 AUD
Retailer 3$278 AUD
Retailer 15$278 AUD
Retailer 1$487 AUD
Retailer 2$505 AUD
Retailer 9$543 AUD
Retailer 13$623 AUD
Retailer 12$655 AUD
Retailer 11$683 AUD
Retailer 4$759 AUD
Retailer 7$894 AUD
Retailer 5$973 AUD
Retailer 8$1,309 AUD
Reve Diamonds$1,507 AUD

45 data points across 16 retailers

22 retailers$225 AUD to $1,507 AUD

Retailer 1
-
$222 AUD
$156 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$225 AUD
$158 USD
View
A
Retailer 3
-
$251 AUD
$176 USD
View
Final sale: no returns
A
Retailer 4
-
$260 AUD
$183 USD
View
Retailer 5
-
$272 AUD
$191 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$278 AUD
$195 USD
View
A
Retailer 7
-
$278 AUD
$195 USD
View
A
Retailer 8
-
$390 AUD
$274 USD
View
B+
Retailer 9
-
$487 AUD
£270 GBP
View
B+
Retailer 10
-
$505 AUD
$355 USD
View
B+
Retailer 11
-
$543 AUD
€363 EUR
View
Retailer 12
-
$576 AUD
$405 USD
View
Price last confirmed 87 days ago
B+
Retailer 13
-
$623 AUD
$438 USD
View
Retailer 14
-
$655 AUD
$460 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$683 AUD
View
B
Retailer 16
-
$759 AUD
$533 USD
View
Retailer 17
-
$848 AUD
$596 USD
View
Price last confirmed 38 days ago
Retailer 18
-
$887 AUD
$623 USD
View
Price last confirmed 39 days ago
B
Retailer 19
-
$894 AUD
$628 USD
View
B
Retailer 20
-
$973 AUD
$683 USD
View
B
Retailer 21
-
$1,309 AUD
£724 GBP
View
Most Expensive
B
Reve Diamonds
C2E712A44 · Oct 28
$1,507 AUD
$1,058 USD
View
21 more retailers have this diamond
Prices start from $225 AUDSave up to $1,282 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
1.00ct Round
$225 AUD