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1.35ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG440012693

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012693

Diamond specifications and retailer prices

From $913 AUD
As of November 5, 2026
Save $3,539 AUD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,452 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012693 or 440012693. Listed at 11 retailers as of November 5, 2026, with prices from $913 to $4,452, a $3,539 spread on the same certified stone. MOH London lists it at $4,452. 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

1.35
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012693
Dimensions7.08 × 7.09 × 4.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.08 mm7.09 mm1.35 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012693
Side View
Table 57.0%Crown 36.3°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.3%

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: $4,452 AUD|Low: $731 AUD|High: $4,517 AUD|Avg: $1,727 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$913 AUD
Retailer 8$1,023 AUD
Retailer 6$1,060 AUD
Retailer 9$1,060 AUD
Retailer 2$1,100 AUD
Retailer 3$1,314 AUD
Retailer 10$1,727 AUD
Retailer 7$1,733 AUD
Retailer 4$2,706 AUD
MOH London$4,452 AUD

22 data points across 10 retailers

11 retailers$913 AUD to $4,452 AUD

A
Cheapest Retailer
-
$913 AUD
A
Retailer 2
-
$994 AUD
View
B+
Retailer 3
-
$1,023 AUD
View
Final sale: no returns
Retailer 4
-
$1,060 AUD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,060 AUD
View
B+
Retailer 6
-
$1,100 AUD
View
B+
Retailer 7
-
$1,314 AUD
View
B
Retailer 8
-
$1,733 AUD
View
B
Retailer 9
-
$2,706 AUD
View
B
Retailer 10
-
$2,978 AUD
View
Most Expensive
B
MOH London
LG440012693 · Nov 5
$4,452 AUD
£2,454 GBP
View
10 more retailers have this diamond
Prices start from $913 AUDSave up to $3,539 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
1.35ct Round
$913 AUD