Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG515228758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515228758

Diamond specifications and retailer prices

From HK$2,511 HKD
$320 USD
As of October 29, 2026
Save HK$10,992 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,284 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG515228758 or 515228758. Listed at 18 retailers as of October 29, 2026, with a 438% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515228758
Dimensions7.65 × 7.60 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.65 mm7.60 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515228758
Side View
Table 58.0%Crown 35.4°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.8%

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$22,284 HKD|Low: HK$2,511 HKD|High: HK$22,284 HKD|Avg: HK$7,649 HKD
Do Amore Diamonds
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 15HK$2,511 HKD
Retailer 14HK$2,911 HKD
Retailer 13HK$3,115 HKD
Retailer 18HK$3,115 HKD
Retailer 16HK$3,256 HKD
Retailer 9HK$4,064 HKD
Retailer 4HK$4,316 HKD
Retailer 5HK$5,610 HKD
Retailer 12HK$5,963 HKD
Retailer 2HK$6,148 HKD
Retailer 7HK$6,457 HKD
Retailer 10HK$7,012 HKD
Retailer 3HK$9,133 HKD
Retailer 17HK$11,048 HKD
Retailer 6HK$11,322 HKD
Retailer 8HK$12,288 HKD
Retailer 11HK$13,502 HKD
Do Amore DiamondsHK$22,284 HKD

13 data points across 18 retailers

18 retailersHK$2,511 HKD to HK$13,502 HKD

A
Cheapest Retailer
-
HK$2,511 HKD
$320 USD
A
Retailer 2
-
HK$2,911 HKD
$371 USD
View
A
Retailer 3
-
HK$3,115 HKD
$397 USD
View
A
Retailer 4
-
HK$3,115 HKD
$397 USD
View
A
Retailer 5
-
HK$3,256 HKD
$415 USD
View
A
Retailer 6
-
HK$4,064 HKD
$518 USD
View
A
Retailer 7
-
HK$4,316 HKD
$550 USD
View
B+
Retailer 8
-
HK$5,610 HKD
$715 USD
View
B+
Retailer 9
-
HK$5,963 HKD
£598 GBP
View
B+
Retailer 10
-
HK$6,148 HKD
£617 GBP
View
B+
Retailer 11
-
HK$6,457 HKD
$823 USD
View
B+
Retailer 12
-
HK$7,012 HKD
$894 USD
View
B
Retailer 13
-
HK$9,133 HKD
$1,164 USD
View
B
Retailer 14
-
HK$11,048 HKD
$1,408 USD
View
B
Retailer 15
-
HK$11,322 HKD
$1,443 USD
View
B
Retailer 16
-
HK$12,288 HKD
$1,566 USD
View
B
Retailer 17
-
HK$13,502 HKD
£1,355 GBP
View
Most Expensive
B
Do Amore Diamonds
27-508475D7A · Oct 29
HK$22,284 HKD
$2,840 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$2,511 HKDSave up to HK$10,992 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$2,511 HKD