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3.70ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG644497177

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644497177

Diamond specifications and retailer prices

From HK$3,123 HKD
$398 USD
As of October 29, 2026
Save HK$10,811 HKD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$13,934 HKD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644497177 or 644497177. Listed at 3 retailers as of October 29, 2026, with prices from HK$3,123 to HK$13,934, a HK$10,811 spread on the same certified stone. The Diamond Guys lists it at HK$13,934. 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

3.70
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644497177
Dimensions10.03 × 10.01 × 6.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.03 mm10.01 mm3.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644497177
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

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$3,123 HKD|Low: HK$2,377 HKD|High: HK$40,405 HKD|Avg: HK$11,097 HKD|-4.1%
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
The Diamond Guys
October 27, 2026
Retailer 1HK$3,123 HKD
Retailer 13HK$3,687 HKD
Retailer 7HK$3,695 HKD
Retailer 10HK$4,923 HKD
Retailer 11HK$5,696 HKD
Retailer 8HK$6,088 HKD
Retailer 9HK$6,340 HKD
Retailer 2HK$8,857 HKD
Retailer 12HK$9,258 HKD
Retailer 14HK$9,493 HKD
Retailer 4HK$10,534 HKD
The Diamond GuysHK$13,934 HKD
Retailer 6HK$17,728 HKD
Retailer 5HK$21,733 HKD
Retailer 3HK$40,405 HKD

9 data points across 15 retailers

3 retailersHK$3,123 HKD to HK$13,934 HKD

A
Cheapest Retailer
-
HK$3,123 HKD
$398 USD
Final sale: no returns
B+
Retailer 2
-
HK$10,534 HKD
CA$1,865 CAD
View
Most Expensive
B
The Diamond Guys
1954434265 · Oct 30
HK$13,934 HKD
$1,776 USD
View
2 more retailers have this diamond
Prices start from HK$3,123 HKDSave up to HK$10,811 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
3.70ct Round
HK$3,123 HKD