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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 $221 NZD
$124 USD
As of October 29, 2026
Save $2,081 NZD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,302 NZD 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 $221 to $2,302, a $2,081 spread on the same certified stone. MOH London lists it at $2,302. 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: $2,302 NZD|Low: $212 NZD|High: $2,318 NZD|Avg: $649 NZD|+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 30, 2026
Retailer 10$221 NZD
Retailer 5$247 NZD
Retailer 6$256 NZD
Retailer 12$292 NZD
Retailer 13$374 NZD
Retailer 7$499 NZD
Retailer 3$502 NZD
Retailer 2$569 NZD
Retailer 8$666 NZD
Retailer 9$668 NZD
Retailer 14$709 NZD
Retailer 11$837 NZD
Retailer 4$982 NZD
MOH London$2,302 NZD

44 data points across 14 retailers

18 retailers$221 NZD to $2,302 NZD

A
Cheapest Retailer
-
$221 NZD
$124 USD
A
Retailer 2
-
$247 NZD
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$256 NZD
$144 USD
View
A
Retailer 4
-
$292 NZD
$164 USD
View
A
Retailer 5
-
$292 NZD
$164 USD
View
B+
Retailer 6
-
$374 NZD
$210 USD
View
A
Retailer 7
-
$499 NZD
€267 EUR
View
A
Retailer 8
-
$502 NZD
$282 USD
View
A
Retailer 9
-
$569 NZD
£252 GBP
View
B+
Retailer 10
-
$666 NZD
$374 USD
View
B+
Retailer 11
-
$668 NZD
$375 USD
View
Retailer 12
-
$685 NZD
$385 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$709 NZD
$398 USD
View
B+
Retailer 14
-
$837 NZD
$470 USD
View
Retailer 15
-
$842 NZD
$473 USD
View
Price last confirmed 44 days ago
B+
Retailer 16
-
$881 NZD
$495 USD
View
B
Retailer 17
-
$982 NZD
$552 USD
View
Most Expensive
B
MOH London
LG642464107 · Oct 29
$2,302 NZD
£1,018 GBP
View
17 more retailers have this diamond
Prices start from $221 NZDSave up to $2,081 NZD

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
$221 NZD