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Round|Lab Grown|IGI

0.91ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG642464107

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642464107

Diamond specifications and retailer prices

From $177 AUD
$124 USD
As of October 29, 2026
Save $1,664 AUD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,840 AUD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642464107 or 642464107. Listed at 18 retailers as of October 29, 2026, with prices from $177 to $1,840, a $1,664 spread on the same certified stone. MOH London lists it at $1,840. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642464107
Dimensions6.28 × 6.34 × 3.76 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
6.28 mm6.34 mm0.91 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642464107
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.7%

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: Oct 29
Current: $1,840 AUD|Low: $169 AUD|High: $1,853 AUD|Avg: $519 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 10$177 AUD
Retailer 5$198 AUD
Retailer 6$205 AUD
Retailer 12$233 AUD
Retailer 13$299 AUD
Retailer 7$399 AUD
Retailer 3$401 AUD
Retailer 2$453 AUD
Retailer 8$532 AUD
Retailer 9$534 AUD
Retailer 14$567 AUD
Retailer 11$669 AUD
Retailer 4$785 AUD
MOH London$1,840 AUD

43 data points across 14 retailers

18 retailers$177 AUD to $1,840 AUD

A
Cheapest Retailer
-
$177 AUD
$124 USD
A
Retailer 2
-
$198 AUD
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$205 AUD
$144 USD
View
A
Retailer 4
-
$233 AUD
$164 USD
View
A
Retailer 5
-
$233 AUD
$164 USD
View
B+
Retailer 6
-
$299 AUD
$210 USD
View
A
Retailer 7
-
$399 AUD
€267 EUR
View
A
Retailer 8
-
$401 AUD
$282 USD
View
A
Retailer 9
-
$453 AUD
£251 GBP
View
B+
Retailer 10
-
$532 AUD
$374 USD
View
B+
Retailer 11
-
$534 AUD
$375 USD
View
Retailer 12
-
$548 AUD
$385 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$567 AUD
$398 USD
View
B+
Retailer 14
-
$669 AUD
$470 USD
View
Retailer 15
-
$673 AUD
$473 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
$705 AUD
$495 USD
View
B
Retailer 17
-
$785 AUD
$552 USD
View
Most Expensive
B
MOH London
LG642464107 · Oct 29
$1,840 AUD
£1,018 GBP
View
17 more retailers have this diamond
Prices start from $177 AUDSave up to $1,664 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
$177 AUD