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Round|Lab Grown|IGI

1.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG689560534

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560534

Diamond specifications and retailer prices

From $218 AUD
$153 USD
As of October 29, 2026
Save $1,266 AUD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,484 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG689560534 or 689560534. Listed at 20 retailers as of October 29, 2026, with prices from $218 to $1,484, a $1,266 spread on the same certified stone. Reve Diamonds lists it at $1,484. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560534
Dimensions6.64 × 6.66 × 4.00 mm
L/W Ratio1.00
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
6.64 mm6.66 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560534
Side View
Table 61.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: $469 AUD|Low: $171 AUD|High: $1,484 AUD|Avg: $643 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 4$218 AUD
Retailer 2$243 AUD
Retailer 12$269 AUD
Retailer 14$269 AUD
Retailer 7$441 AUD
Retailer 1$469 AUD
Retailer 13$492 AUD
Retailer 9$526 AUD
Retailer 11$621 AUD
Retailer 10$711 AUD
Retailer 6$726 AUD
Retailer 15$733 AUD
Retailer 5$867 AUD
Retailer 3$945 AUD
Retailer 8$1,267 AUD
Reve Diamonds$1,484 AUD

44 data points across 16 retailers

20 retailers$218 AUD to $1,484 AUD

Retailer 1
-
$215 AUD
$151 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$218 AUD
$153 USD
View
A
Retailer 3
-
$243 AUD
$171 USD
View
Final sale: no returns
Retailer 4
-
$251 AUD
$176 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$263 AUD
$185 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$269 AUD
$189 USD
View
A
Retailer 7
-
$269 AUD
$189 USD
View
A
Retailer 8
-
$441 AUD
$310 USD
View
B+
Retailer 9
-
$469 AUD
£259 GBP
View
B+
Retailer 10
-
$492 AUD
$346 USD
View
B+
Retailer 11
-
$526 AUD
€352 EUR
View
B+
Retailer 12
-
$621 AUD
$436 USD
View
B
Retailer 13
-
$711 AUD
View
B+
Retailer 14
-
$726 AUD
$510 USD
View
B
Retailer 15
-
$733 AUD
$515 USD
View
Retailer 16
-
$860 AUD
$604 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$867 AUD
$609 USD
View
B
Retailer 18
-
$945 AUD
$664 USD
View
B
Retailer 19
-
$1,267 AUD
£701 GBP
View
Most Expensive
B
Reve Diamonds
8D9EC4786 · Oct 30
$1,484 AUD
$1,043 USD
View
19 more retailers have this diamond
Prices start from $218 AUDSave up to $1,266 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
1.09ct Round
$218 AUD