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1.26ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG758581221

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758581221

Diamond specifications and retailer prices

From HK$1,287 HKD
As of November 1, 2026
Save HK$6,176 HKD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,463 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758581221 or 758581221. Listed at 11 retailers as of November 1, 2026, with prices from HK$1,287 to HK$7,463, a HK$6,176 spread on the same certified stone. MOH London lists it at HK$7,463. 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

1.26
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758581221
Dimensions6.87 × 6.84 × 4.30 mm
L/W Ratio1.00
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
6.87 mm6.84 mm1.26 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758581221
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

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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: Nov 1
Current: HK$7,463 HKD|Low: HK$1,279 HKD|High: HK$7,811 HKD|Avg: HK$3,250 HKD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7HK$1,287 HKD
Retailer 8HK$1,444 HKD
Retailer 12HK$1,647 HKD
Retailer 2HK$2,746 HKD
Retailer 5HK$2,793 HKD
Retailer 11HK$2,871 HKD
Retailer 10HK$3,115 HKD
Retailer 9HK$3,570 HKD
Retailer 4HK$3,726 HKD
Retailer 6HK$4,111 HKD
Retailer 3HK$4,629 HKD
MOH LondonHK$7,463 HKD

34 data points across 12 retailers

11 retailersHK$1,287 HKD to HK$7,463 HKD

A
Cheapest Retailer
-
HK$1,287 HKD
Retailer 2
-
HK$1,647 HKD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$2,746 HKD
View
A
Retailer 4
-
HK$2,793 HKD
View
B+
Retailer 5
-
HK$2,871 HKD
View
A
Retailer 6
-
HK$3,115 HKD
View
B+
Retailer 7
-
HK$3,570 HKD
View
Retailer 8
-
HK$3,726 HKD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
HK$4,111 HKD
View
B
Retailer 10
-
HK$4,629 HKD
View
Most Expensive
B
MOH London
LG758581221 · Nov 2
HK$7,463 HKD
£749 GBP
View
10 more retailers have this diamond
Prices start from HK$1,287 HKDSave up to HK$6,176 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
1.26ct Round
HK$1,287 HKD