CaratHunter
Plans
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 $124 USD
As of October 29, 2026
Save $1,169 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,293 USD 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 $124 to $1,293, a $1,169 spread on the same certified stone. MOH London lists it at $1,293. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,293 USD|Low: $119 USD|High: $1,302 USD|Avg: $365 USD|+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$124 USD
Retailer 5$139 USD
Retailer 6$144 USD
Retailer 12$164 USD
Retailer 13$210 USD
Retailer 7$280 USD
Retailer 3$282 USD
Retailer 2$319 USD
Retailer 8$374 USD
Retailer 9$375 USD
Retailer 14$398 USD
Retailer 11$470 USD
Retailer 4$552 USD
MOH London$1,293 USD

43 data points across 14 retailers

18 retailers$124 USD to $1,293 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$164 USD
View
A
Retailer 5
-
$164 USD
View
B+
Retailer 6
-
$210 USD
View
A
Retailer 7
-
$280 USD
€267 EUR
View
A
Retailer 8
-
$282 USD
View
A
Retailer 9
-
$319 USD
£251 GBP
View
B+
Retailer 10
-
$374 USD
View
B+
Retailer 11
-
$375 USD
View
B+
Retailer 12
-
$385 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$398 USD
View
B+
Retailer 14
-
$470 USD
View
B+
Retailer 15
-
$473 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
$495 USD
View
B
Retailer 17
-
$552 USD
View
Most Expensive
B
MOH London
LG642464107 · Oct 29
$1,293 USD
£1,018 GBP
View
17 more retailers have this diamond
Prices start from $124 USDSave up to $1,169 USD

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
$124 USD