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Oval|Lab Grown|IGI

1.35ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG440013851

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440013851

Diamond specifications and retailer prices

From $1,106 AUD
As of November 6, 2026
Save $3,700 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,806 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown oval diamond

This 1.35ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440013851 or 440013851. Listed at 11 retailers as of November 5, 2026, with prices from $1,106 to $4,806, a $3,700 spread on the same certified stone. MOH London lists it at $4,806. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013851
Dimensions8.61 × 6.21 × 3.96 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.61 mm6.21 mm1.35 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013851
Side View
Table 59.5%Crown 36°Girdle: STK-THKPavilion 42°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,806 AUD|Low: $1,106 AUD|High: $4,878 AUD|Avg: $2,323 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$1,106 AUD
Retailer 5$1,109 AUD
Retailer 8$1,241 AUD
Retailer 6$1,285 AUD
Retailer 3$1,543 AUD
Retailer 9$2,019 AUD
Retailer 7$2,078 AUD
Retailer 4$3,058 AUD
Retailer 10$3,681 AUD
MOH London$4,806 AUD

16 data points across 10 retailers

11 retailers$1,106 AUD to $4,806 AUD

B+
Cheapest Retailer
-
$1,106 AUD
B+
Retailer 2
-
$1,109 AUD
View
B+
Retailer 3
-
$1,207 AUD
View
B+
Retailer 4
-
$1,241 AUD
View
Final sale: no returns
Retailer 5
-
$1,285 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,285 AUD
View
B+
Retailer 7
-
$1,543 AUD
View
B
Retailer 8
-
$2,078 AUD
View
B
Retailer 9
-
$3,058 AUD
View
B
Retailer 10
-
$3,615 AUD
View
Most Expensive
B
MOH London
LG440013851 · Nov 5
$4,806 AUD
£2,600 GBP
View
10 more retailers have this diamond
Prices start from $1,106 AUDSave up to $3,700 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.

B+
1.35ct Oval
$1,106 AUD