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1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG764636382

Shape and cutting style on the report: Round brilliant

Certificate IGI LG764636382

Diamond specifications and retailer prices

From HK$1,812 HKD
$231 USD
As of October 29, 2026
Save HK$7,916 HKD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,728 HKD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG764636382 or 764636382. Listed at 17 retailers as of October 22, 2026, with prices from HK$1,812 to HK$9,728, a HK$7,916 spread on the same certified stone. Brilliant Earth lists it at HK$9,728. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764636382
Dimensions7.63 × 7.65 × 4.68 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
7.63 mm7.65 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764636382
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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$9,728 HKD|Low: HK$1,734 HKD|High: HK$9,963 HKD|Avg: HK$4,336 HKD|-2.4%
Brilliant Earth
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
October 29, 2026
Retailer 13HK$1,812 HKD
Retailer 3HK$2,024 HKD
Retailer 5HK$2,095 HKD
Retailer 14HK$2,244 HKD
Retailer 12HK$3,020 HKD
Retailer 9HK$3,715 HKD
Retailer 8HK$3,893 HKD
Retailer 2HK$4,205 HKD
Retailer 4HK$4,276 HKD
Retailer 11HK$5,727 HKD
Retailer 10HK$5,805 HKD
Retailer 6HK$7,210 HKD
Retailer 7HK$9,037 HKD
Brilliant EarthHK$9,728 HKD

43 data points across 14 retailers

17 retailersHK$1,812 HKD to HK$9,728 HKD

A
Cheapest Retailer
-
HK$1,812 HKD
$231 USD
A
Retailer 2
-
HK$2,024 HKD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,095 HKD
$267 USD
View
A
Retailer 4
-
HK$2,244 HKD
$286 USD
View
A
Retailer 5
-
HK$2,244 HKD
$286 USD
View
B+
Retailer 6
-
HK$3,020 HKD
$385 USD
View
A
Retailer 7
-
HK$3,715 HKD
€451 EUR
View
A
Retailer 8
-
HK$3,893 HKD
£391 GBP
View
A
Retailer 9
-
HK$3,993 HKD
$509 USD
View
A
Retailer 10
-
HK$4,205 HKD
£422 GBP
View
B+
Retailer 11
-
HK$4,276 HKD
$545 USD
View
B+
Retailer 12
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 13
-
HK$5,805 HKD
$740 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$7,210 HKD
$919 USD
View
B
Retailer 15
-
HK$7,622 HKD
$972 USD
View
B
Retailer 16
-
HK$9,037 HKD
£907 GBP
View
Most Expensive
B
Brilliant Earth
21313425A · Oct 22
HK$9,728 HKD
$1,240 USD
View
16 more retailers have this diamond
Prices start from HK$1,812 HKDSave up to HK$7,916 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
1.67ct Round
HK$1,812 HKD