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Round|Lab Grown|IGI

1.30ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG702546657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG702546657

Diamond specifications and retailer prices

From $236 AUD
As of November 1, 2026
Save $1,312 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,547 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG702546657 or 702546657. Listed at 15 retailers as of November 1, 2026, with prices from $236 to $1,547, a $1,312 spread on the same certified stone. Reve Diamonds lists it at $1,547. 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

1.30
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702546657
Dimensions7.08 × 7.04 × 4.29 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
7.08 mm7.04 mm1.30 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702546657
Side View
Table 59.0%Crown 32.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.8%

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: Nov 1
Current: $517 AUD|Low: $191 AUD|High: $1,565 AUD|Avg: $686 AUD|+3.4%
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
November 3, 2026
Retailer 10$236 AUD
Retailer 6$264 AUD
Retailer 15$274 AUD
Retailer 12$293 AUD
Retailer 14$293 AUD
Retailer 1$517 AUD
Retailer 3$526 AUD
Retailer 9$570 AUD
Retailer 4$597 AUD
Retailer 2$743 AUD
Retailer 5$761 AUD
Retailer 13$941 AUD
Retailer 8$994 AUD
Retailer 7$1,020 AUD
Retailer 11$1,369 AUD
Reve Diamonds$1,547 AUD

28 data points across 16 retailers

15 retailers$236 AUD to $1,547 AUD

A
Cheapest Retailer
-
$236 AUD
Retailer 2
-
$274 AUD
View
Price last confirmed 13 days ago
Retailer 3
-
$293 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$293 AUD
View
A
Retailer 5
-
$517 AUD
View
B+
Retailer 6
-
$526 AUD
View
A
Retailer 7
-
$570 AUD
View
A
Retailer 8
-
$597 AUD
View
B+
Retailer 9
-
$743 AUD
View
B+
Retailer 10
-
$761 AUD
View
B+
Retailer 11
-
$941 AUD
View
B
Retailer 12
-
$994 AUD
View
B
Retailer 13
-
$1,020 AUD
View
B
Retailer 14
-
$1,369 AUD
View
Most Expensive
B
Reve Diamonds
8A9E816B9 · Nov 1
$1,547 AUD
$1,083 USD
View
14 more retailers have this diamond
Prices start from $236 AUDSave up to $1,312 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
1.30ct Round
$236 AUD