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Round|Lab Grown|IGI

1.30ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG445036551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036551

Diamond specifications and retailer prices

From $1,068 AUD
$750 USD
As of October 31, 2026
Save $3,823 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,891 AUD at MOH London · As of November 1, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036551 or 445036551. Listed at 11 retailers as of October 31, 2026, with prices from $1,068 to $4,891, a $3,823 spread on the same certified stone. MOH London lists it at $4,891. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036551
Dimensions6.92 × 6.98 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.92 mm6.98 mm1.30 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036551
Side View
Table 58.5%Crown 34.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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 31
Current: $4,891 AUD|Low: $1,031 AUD|High: $4,950 AUD|Avg: $2,029 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$1,068 AUD
Retailer 5$1,073 AUD
Retailer 8$1,203 AUD
Retailer 6$1,246 AUD
Retailer 4$1,495 AUD
Retailer 9$1,956 AUD
Retailer 7$2,014 AUD
Retailer 3$2,963 AUD
MOH London$4,891 AUD

17 data points across 9 retailers

11 retailers$1,068 AUD to $4,891 AUD

A
Cheapest Retailer
-
$1,068 AUD
$750 USD
A
Retailer 2
-
$1,073 AUD
$754 USD
View
A
Retailer 3
-
$1,169 AUD
$821 USD
View
B+
Retailer 4
-
$1,203 AUD
$845 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,246 AUD
$875 USD
View
Retailer 6
-
$1,246 AUD
$875 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$1,495 AUD
$1,050 USD
View
B
Retailer 8
-
$2,014 AUD
$1,415 USD
View
B
Retailer 9
-
$2,963 AUD
$2,081 USD
View
B
Retailer 10
-
$3,502 AUD
$2,460 USD
View
Most Expensive
B
MOH London
LG445036551 · Nov 1
$4,891 AUD
£2,705 GBP
View
10 more retailers have this diamond
Prices start from $1,068 AUDSave up to $3,823 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
$1,068 AUD