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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG687543594

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687543594

Diamond specifications and retailer prices

From HK$1,114 HKD
$142 USD
As of October 29, 2026
Save HK$6,809 HKD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$7,923 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct 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 LG687543594 or 687543594. Listed at 21 retailers as of October 29, 2026, with prices from HK$1,114 to HK$7,923, a HK$6,809 spread on the same certified stone. Reve Diamonds lists it at HK$7,923. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687543594
Dimensions6.37 × 6.42 × 3.98 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
6.37 mm6.42 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687543594
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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$3,764 HKD|Low: HK$879 HKD|High: HK$7,923 HKD|Avg: HK$3,419 HKD
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 5HK$1,114 HKD
Retailer 8HK$1,240 HKD
Retailer 2HK$1,389 HKD
Retailer 14HK$1,389 HKD
Retailer 12HK$2,110 HKD
Retailer 9HK$2,373 HKD
Retailer 15HK$2,573 HKD
Retailer 11HK$2,727 HKD
Retailer 13HK$3,303 HKD
Retailer 7HK$3,609 HKD
Retailer 3HK$3,703 HKD
Retailer 1HK$3,764 HKD
Retailer 6HK$4,456 HKD
Retailer 4HK$4,890 HKD
Retailer 10HK$6,516 HKD
Reve DiamondsHK$7,923 HKD

43 data points across 16 retailers

21 retailersHK$1,114 HKD to HK$7,923 HKD

Retailer 1
-
HK$1,106 HKD
$141 USD
Price last confirmed 38 days ago
A
Retailer 2
-
HK$1,114 HKD
$142 USD
View
A
Retailer 3
-
HK$1,240 HKD
$158 USD
View
Final sale: no returns
A
Retailer 4
-
HK$1,295 HKD
$165 USD
View
Retailer 5
-
HK$1,357 HKD
$173 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
HK$1,389 HKD
$177 USD
View
A
Retailer 7
-
HK$1,389 HKD
$177 USD
View
A
Retailer 8
-
HK$2,110 HKD
$269 USD
View
A
Retailer 9
-
HK$2,373 HKD
£238 GBP
View
B+
Retailer 10
-
HK$2,573 HKD
$328 USD
View
B+
Retailer 11
-
HK$2,727 HKD
€331 EUR
View
Retailer 12
-
HK$3,177 HKD
$405 USD
View
Price last confirmed 88 days ago
B+
Retailer 13
-
HK$3,303 HKD
$421 USD
View
B
Retailer 14
-
HK$3,609 HKD
$460 USD
View
B+
Retailer 15
-
HK$3,703 HKD
$472 USD
View
B+
Retailer 16
-
HK$3,764 HKD
A$738 AUD
View
Retailer 17
-
HK$4,417 HKD
$563 USD
View
Price last confirmed 40 days ago
B
Retailer 18
-
HK$4,456 HKD
$568 USD
View
B
Retailer 19
-
HK$4,890 HKD
$623 USD
View
B
Retailer 20
-
HK$6,516 HKD
£654 GBP
View
Most Expensive
B
Reve Diamonds
5F359FF01 · Oct 30
HK$7,923 HKD
$1,010 USD
View
20 more retailers have this diamond
Prices start from HK$1,114 HKDSave up to HK$6,809 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
1.00ct Round
HK$1,114 HKD