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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG687545025

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687545025

Diamond specifications and retailer prices

From HK$1,294 HKD
As of November 6, 2026
Save HK$7,200 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$8,495 HKD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald 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 LG687545025 or 687545025. Listed at 17 retailers as of November 4, 2026, with prices from HK$1,294 to HK$8,495, a HK$7,200 spread on the same certified stone. Reve Diamonds lists it at HK$8,495. 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 angle34.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687545025
Dimensions6.71 × 4.75 × 3.24 mm
L/W Ratio1.41
Culet sizeLarge
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
6.71 mm4.75 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687545025
Side View
Table 64.0%Crown 34.7°Girdle: MediumPavilion 39.8°Culet: LargeDepth 68.2%

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: Nov 6
Current: HK$2,816 HKD|Low: HK$1,232 HKD|High: HK$8,495 HKD|Avg: HK$3,625 HKD|+4.7%
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
Reve Diamonds
November 6, 2026
Retailer 4HK$1,294 HKD
Retailer 13HK$1,451 HKD
Retailer 10HK$1,506 HKD
Retailer 2HK$1,608 HKD
Retailer 6HK$1,608 HKD
Retailer 1HK$2,816 HKD
Retailer 9HK$2,887 HKD
Retailer 14HK$2,887 HKD
Retailer 11HK$3,413 HKD
Retailer 12HK$3,499 HKD
Retailer 3HK$5,170 HKD
Retailer 8HK$5,460 HKD
Retailer 5HK$5,594 HKD
Retailer 7HK$7,492 HKD
Reve DiamondsHK$8,495 HKD

46 data points across 15 retailers

17 retailersHK$1,294 HKD to HK$8,495 HKD

Retailer 1
-
HK$1,287 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$1,294 HKD
View
A
Retailer 3
-
HK$1,451 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$1,506 HKD
View
Retailer 5
-
HK$1,608 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$1,608 HKD
View
B+
Retailer 7
-
HK$2,816 HKD
View
B+
Retailer 8
-
HK$2,887 HKD
View
Retailer 9
-
HK$2,887 HKD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
HK$3,413 HKD
View
B+
Retailer 11
-
HK$3,499 HKD
View
B
Retailer 12
-
HK$4,252 HKD
View
B
Retailer 13
-
HK$5,170 HKD
View
B
Retailer 14
-
HK$5,460 HKD
View
B
Retailer 15
-
HK$5,594 HKD
View
B
Retailer 16
-
HK$7,492 HKD
View
Most Expensive
B
Reve Diamonds
12EC71875 · Nov 4
HK$8,495 HKD
$1,083 USD
View
16 more retailers have this diamond
Prices start from HK$1,294 HKDSave up to HK$7,200 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 Emerald
HK$1,294 HKD