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0.91ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG457056543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG457056543

Diamond specifications and retailer prices

From HK$1,083 HKD
$138 USD
As of October 29, 2026
Save HK$5,205 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,288 HKD at MOH London · As of October 26, 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 very-good cut grade and certified by IGI LG457056543 or 457056543. Listed at 12 retailers as of October 26, 2026, with prices from HK$1,083 to HK$6,288, a HK$5,205 spread on the same certified stone. MOH London lists it at HK$6,288. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG457056543
Dimensions6.16 × 6.10 × 3.86 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
6.16 mm6.10 mm0.91 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG457056543
Side View
Table 59.0%Crown 36.8°Girdle: ThickPavilion 40.9°Culet: NoneDepth 62.9%

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: HK$6,288 HKD|Low: HK$1,036 HKD|High: HK$7,005 HKD|Avg: HK$3,529 HKD|-0.8%
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 12HK$1,083 HKD
Retailer 16HK$1,216 HKD
Retailer 17HK$1,255 HKD
Retailer 3HK$2,310 HKD
Retailer 10HK$2,323 HKD
Retailer 15HK$2,503 HKD
Retailer 2HK$2,517 HKD
Retailer 6HK$3,084 HKD
Retailer 8HK$3,343 HKD
Retailer 5HK$3,442 HKD
Retailer 7HK$4,096 HKD
Retailer 14HK$4,316 HKD
Retailer 11HK$4,559 HKD
Retailer 13HK$5,257 HKD
Retailer 4HK$5,626 HKD
MOH LondonHK$6,288 HKD
Retailer 9HK$7,005 HKD

30 data points across 17 retailers

12 retailersHK$1,083 HKD to HK$6,288 HKD

A
Cheapest Retailer
-
HK$1,083 HKD
$138 USD
A
Retailer 2
-
HK$1,216 HKD
$155 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,255 HKD
$160 USD
View
B+
Retailer 4
-
HK$2,310 HKD
View
A
Retailer 5
-
HK$2,323 HKD
€282 EUR
View
B+
Retailer 6
-
HK$2,503 HKD
$319 USD
View
B+
Retailer 7
-
HK$2,517 HKD
£253 GBP
View
B
Retailer 8
-
HK$4,316 HKD
$550 USD
View
B
Retailer 9
-
HK$4,559 HKD
$581 USD
View
B
Retailer 10
-
HK$5,257 HKD
$670 USD
View
B
Retailer 11
-
HK$5,626 HKD
SGD 969 SGD
View
Most Expensive
B
MOH London
LG457056543 · Oct 26
HK$6,288 HKD
£631 GBP
View
11 more retailers have this diamond
Prices start from HK$1,083 HKDSave up to HK$5,205 HKD

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
HK$1,083 HKD