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1.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG668409277

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668409277

Diamond specifications and retailer prices

From HK$1,742 HKD
$222 USD
As of October 29, 2026
Save HK$9,871 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$11,613 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown round diamond

This 1.74ct 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 LG668409277 or 668409277. Listed at 14 retailers as of October 29, 2026, with prices from HK$1,742 to HK$11,613, a HK$9,871 spread on the same certified stone. Brilliant Earth lists it at HK$11,613. 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

1.74
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409277
Dimensions7.81 × 7.74 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm7.74 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409277
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.8%

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$11,613 HKD|Low: HK$1,632 HKD|High: HK$11,613 HKD|Avg: HK$4,280 HKD|+11.3%
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 30, 2026
Retailer 13HK$1,742 HKD
Retailer 6HK$1,907 HKD
Retailer 10HK$2,024 HKD
Retailer 5HK$2,166 HKD
Retailer 9HK$2,166 HKD
Retailer 11HK$3,696 HKD
Retailer 7HK$3,889 HKD
Retailer 2HK$3,965 HKD
Retailer 3HK$4,221 HKD
Retailer 14HK$4,253 HKD
Retailer 4HK$6,960 HKD
Retailer 12HK$6,983 HKD
Retailer 8HK$8,679 HKD
Brilliant EarthHK$11,613 HKD

43 data points across 14 retailers

14 retailersHK$1,742 HKD to HK$11,613 HKD

A
Cheapest Retailer
-
HK$1,742 HKD
$222 USD
A
Retailer 2
-
HK$1,907 HKD
$243 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,024 HKD
$258 USD
View
A
Retailer 4
-
HK$2,166 HKD
$276 USD
View
A
Retailer 5
-
HK$2,166 HKD
$276 USD
View
B+
Retailer 6
-
HK$3,696 HKD
$471 USD
View
A
Retailer 7
-
HK$3,889 HKD
€472 EUR
View
A
Retailer 8
-
HK$3,965 HKD
£398 GBP
View
A
Retailer 9
-
HK$4,221 HKD
$538 USD
View
A
Retailer 10
-
HK$4,253 HKD
$542 USD
View
B
Retailer 11
-
HK$6,960 HKD
$887 USD
View
B+
Retailer 12
-
HK$6,983 HKD
$890 USD
View
B
Retailer 13
-
HK$8,679 HKD
£871 GBP
View
Most Expensive
B
Brilliant Earth
13161355A · Oct 29
HK$11,613 HKD
$1,480 USD
View
13 more retailers have this diamond
Prices start from HK$1,742 HKDSave up to HK$9,871 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
1.74ct Round
HK$1,742 HKD