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1.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689502441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689502441

Diamond specifications and retailer prices

From HK$1,153 HKD
$147 USD
As of October 29, 2026
Save HK$5,562 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$6,716 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG689502441 or 689502441. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,153 to HK$6,716, a HK$5,562 spread on the same certified stone. MOH London lists it at HK$6,716. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689502441
Dimensions6.57 × 6.59 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.59 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689502441
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: HK$6,716 HKD|Low: HK$1,106 HKD|High: HK$6,756 HKD|Avg: HK$2,838 HKD|+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
Retailer 15
Retailer 16
October 30, 2026
Retailer 15HK$1,153 HKD
Retailer 3HK$1,287 HKD
Retailer 5HK$1,334 HKD
Retailer 8HK$1,428 HKD
Retailer 16HK$1,428 HKD
Retailer 7HK$1,922 HKD
Retailer 9HK$2,463 HKD
Retailer 10HK$2,488 HKD
Retailer 2HK$2,790 HKD
Retailer 14HK$3,138 HKD
Retailer 13HK$3,611 HKD
Retailer 12HK$3,656 HKD
Retailer 4HK$3,954 HKD
Retailer 11HK$4,001 HKD
Retailer 6HK$4,590 HKD
MOH LondonHK$6,716 HKD

43 data points across 16 retailers

18 retailersHK$1,153 HKD to HK$6,716 HKD

A
Cheapest Retailer
-
HK$1,153 HKD
$147 USD
A
Retailer 2
-
HK$1,287 HKD
$164 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,334 HKD
$170 USD
View
A
Retailer 4
-
HK$1,428 HKD
$182 USD
View
A
Retailer 5
-
HK$1,428 HKD
$182 USD
View
B+
Retailer 6
-
HK$1,922 HKD
$245 USD
View
A
Retailer 7
-
HK$2,416 HKD
$308 USD
View
A
Retailer 8
-
HK$2,463 HKD
£247 GBP
View
A
Retailer 9
-
HK$2,488 HKD
€302 EUR
View
A
Retailer 10
-
HK$2,790 HKD
£280 GBP
View
Retailer 11
-
HK$3,138 HKD
$400 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
HK$3,611 HKD
A$708 AUD
View
B
Retailer 13
-
HK$3,656 HKD
$466 USD
View
B+
Retailer 14
-
HK$3,954 HKD
$504 USD
View
B+
Retailer 15
-
HK$4,001 HKD
$510 USD
View
Retailer 16
-
HK$4,386 HKD
$559 USD
View
Price last confirmed 44 days ago
B
Retailer 17
-
HK$4,590 HKD
$585 USD
View
Most Expensive
B
MOH London
LG689502441 · Oct 29
HK$6,716 HKD
£674 GBP
View
17 more retailers have this diamond
Prices start from HK$1,153 HKDSave up to HK$5,562 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
1.09ct Round
HK$1,153 HKD