CaratHunter
Plans
Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770639391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639391

Diamond specifications and retailer prices

From $252 AUD
As of November 5, 2026
Save $1,207 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,458 AUD at MOH London · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770639391 or 770639391. Listed at 16 retailers as of November 5, 2026, with prices from $252 to $1,458, a $1,207 spread on the same certified stone. MOH London lists it at $1,458. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639391
Dimensions6.99 × 7.04 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.04 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639391
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: Nov 5
Current: $1,458 AUD|Low: $252 AUD|High: $1,479 AUD|Avg: $700 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$252 AUD
Retailer 8$313 AUD
Retailer 2$537 AUD
Retailer 4$552 AUD
Retailer 9$559 AUD
Retailer 10$680 AUD
Retailer 5$771 AUD
Retailer 3$873 AUD
Retailer 6$1,061 AUD
MOH London$1,458 AUD

44 data points across 10 retailers

16 retailers$252 AUD to $1,458 AUD

A
Cheapest Retailer
-
$252 AUD
A
Retailer 2
-
$293 AUD
View
A
Retailer 3
-
$313 AUD
View
Retailer 4
-
$313 AUD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$537 AUD
View
A
Retailer 6
-
$552 AUD
View
B+
Retailer 7
-
$559 AUD
View
A
Retailer 8
-
$611 AUD
View
A
Retailer 9
-
$680 AUD
View
B+
Retailer 10
-
$771 AUD
View
B+
Retailer 11
-
$796 AUD
View
B+
Retailer 12
-
$873 AUD
View
B+
Retailer 13
-
$1,006 AUD
View
B+
Retailer 14
-
$1,061 AUD
View
B+
Retailer 15
-
$1,084 AUD
View
Most Expensive
B
MOH London
LG770639391 · Nov 5
$1,458 AUD
£789 GBP
View
15 more retailers have this diamond
Prices start from $252 AUDSave up to $1,207 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
$252 AUD