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Round|Lab Grown|IGI

0.91ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG541250595

Shape and cutting style on the report: Round brilliant

Certificate IGI LG541250595

Diamond specifications and retailer prices

From $269 AUD
$189 USD
As of November 1, 2026
Save $1,293 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,562 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541250595 or 541250595. Listed at 17 retailers as of November 1, 2026, with prices from $269 to $1,562, a $1,293 spread on the same certified stone. MOH London lists it at $1,562. 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

0.91
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541250595
Dimensions6.27 × 6.22 × 3.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.27 mm6.22 mm0.91 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541250595
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.3%

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 1
Current: $1,562 AUD|Low: $259 AUD|High: $1,580 AUD|Avg: $650 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$269 AUD
Retailer 10$302 AUD
Retailer 7$335 AUD
Retailer 8$453 AUD
Retailer 4$562 AUD
Retailer 2$605 AUD
Retailer 3$660 AUD
Retailer 9$668 AUD
Retailer 5$1,078 AUD
MOH London$1,562 AUD

43 data points across 10 retailers

17 retailers$269 AUD to $1,562 AUD

A
Cheapest Retailer
-
$269 AUD
$189 USD
A
Retailer 2
-
$302 AUD
$212 USD
View
Final sale: no returns
A
Retailer 3
-
$312 AUD
$219 USD
View
A
Retailer 4
-
$335 AUD
$235 USD
View
Retailer 5
-
$335 AUD
$235 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 7
-
$401 AUD
$282 USD
View
A
Retailer 8
-
$453 AUD
$318 USD
View
A
Retailer 9
-
$562 AUD
€376 EUR
View
Retailer 10
-
$605 AUD
$425 USD
View
Price last confirmed 47 days ago
B+
Retailer 11
-
$605 AUD
£335 GBP
View
B+
Retailer 12
-
$660 AUD
£365 GBP
View
B+
Retailer 13
-
$668 AUD
$469 USD
View
B+
Retailer 14
-
$910 AUD
SGD 864 SGD
View
B
Retailer 15
-
$1,073 AUD
$754 USD
View
B
Retailer 16
-
$1,078 AUD
$757 USD
View
Most Expensive
B
MOH London
LG541250595 · Nov 1
$1,562 AUD
£864 GBP
View
16 more retailers have this diamond
Prices start from $269 AUDSave up to $1,293 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
0.91ct Round
$269 AUD