CaratHunter
Plans
Round|Lab Grown|IGI

0.90ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG425067080

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425067080

Diamond specifications and retailer prices

From $755 AUD
$530 USD
As of October 30, 2026
Save $3,986 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,741 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067080 or 425067080. Listed at 11 retailers as of October 29, 2026, with prices from $755 to $4,741, a $3,986 spread on the same certified stone. MOH London lists it at $4,741. 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

0.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067080
Dimensions6.17 × 6.21 × 3.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
undefined
Top View
6.17 mm6.21 mm0.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425067080
Side View
Table 59.0%Crown 35.9°GirdlePavilion 40°Culet: NoneDepth 60.6%

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 30
Current: $4,741 AUD|Low: $755 AUD|High: $4,773 AUD|Avg: $1,912 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$755 AUD
Retailer 7$1,085 AUD
Retailer 11$1,180 AUD
Retailer 10$1,214 AUD
Retailer 8$1,258 AUD
Retailer 3$1,509 AUD
Retailer 12$1,822 AUD
Retailer 4$1,949 AUD
Retailer 9$2,037 AUD
Retailer 5$2,173 AUD
Retailer 6$2,992 AUD
MOH London$4,741 AUD

20 data points across 12 retailers

11 retailers$755 AUD to $4,741 AUD

A
Cheapest Retailer
-
$755 AUD
$530 USD
B+
Retailer 2
-
$1,085 AUD
$762 USD
View
B+
Retailer 3
-
$1,180 AUD
$829 USD
View
B+
Retailer 4
-
$1,214 AUD
$853 USD
View
Final sale: no returns
Retailer 5
-
$1,258 AUD
$884 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,258 AUD
$884 USD
View
B
Retailer 7
-
$2,037 AUD
$1,431 USD
View
B
Retailer 8
-
$2,173 AUD
€1,454 EUR
View
B
Retailer 9
-
$2,992 AUD
$2,102 USD
View
B
Retailer 10
-
$3,538 AUD
$2,485 USD
View
Most Expensive
B
MOH London
LG425067080 · Oct 29
$4,741 AUD
£2,622 GBP
View
10 more retailers have this diamond
Prices start from $755 AUDSave up to $3,986 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
0.90ct Round
$755 AUD