Round|Lab Grown|IGI

1.20ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG786690205

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786690205

Diamond specifications and retailer prices

From HK$1,169 HKD
As of November 5, 2026
Save HK$5,606 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$6,775 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786690205 or 786690205. Listed at 9 retailers as of November 4, 2026, with prices from HK$1,169 to HK$6,775, a HK$5,606 spread on the same certified stone. MOH London lists it at HK$6,775. 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

1.20
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786690205
Dimensions6.83 × 6.78 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.78 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786690205
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Nov 5
Current: HK$6,775 HKD|Low: HK$1,098 HKD|High: HK$6,775 HKD|Avg: HK$3,739 HKD|+3.3%
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 5, 2026
Retailer 6HK$1,169 HKD
Retailer 7HK$1,357 HKD
Retailer 12HK$2,369 HKD
Retailer 9HK$2,534 HKD
Retailer 2HK$2,809 HKD
Retailer 3HK$3,970 HKD
Retailer 10HK$4,001 HKD
Retailer 5HK$4,676 HKD
Retailer 8HK$4,935 HKD
Retailer 4HK$5,099 HKD
Retailer 11HK$5,743 HKD
MOH LondonHK$6,775 HKD

30 data points across 12 retailers

9 retailersHK$1,169 HKD to HK$6,775 HKD

A
Cheapest Retailer
-
HK$1,169 HKD
A
Retailer 2
-
HK$1,357 HKD
View
Retailer 3
-
HK$2,534 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$2,809 HKD
View
B+
Retailer 5
-
HK$4,001 HKD
View
B+
Retailer 6
-
HK$4,676 HKD
View
B
Retailer 7
-
HK$4,935 HKD
View
Retailer 8
-
HK$5,743 HKD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG786690205 · Nov 4
HK$6,775 HKD
£680 GBP
View
8 more retailers have this diamond
Prices start from HK$1,169 HKDSave up to HK$5,606 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
1.20ct Round
HK$1,169 HKD