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Oval|Lab Grown|IGI

3.74ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG643423457

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643423457

Diamond specifications and retailer prices

From HK$4,449 HKD
$567 USD
As of October 28, 2026
Save HK$31,174 HKD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$35,623 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.74ct lab-grown oval diamond

This 3.74ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG643423457 or 643423457. Listed at 13 retailers as of October 28, 2026, with prices from HK$4,449 to HK$35,623, a HK$31,174 spread on the same certified stone. Brilliant Earth lists it at HK$35,623. 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

3.74
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643423457
Dimensions12.89 × 8.64 × 5.42 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.89 mm8.64 mm3.74 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643423457
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

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 28
Current: HK$38,683 HKD|Low: HK$3,970 HKD|High: HK$40,209 HKD|Avg: HK$15,359 HKD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 15HK$4,449 HKD
Retailer 6HK$4,928 HKD
Retailer 2HK$5,728 HKD
Retailer 9HK$7,231 HKD
Retailer 17HK$7,297 HKD
Retailer 13HK$7,302 HKD
Retailer 16HK$7,956 HKD
Retailer 11HK$8,479 HKD
Retailer 7HK$9,475 HKD
Retailer 3HK$12,711 HKD
Retailer 4HK$14,057 HKD
Retailer 5HK$14,296 HKD
Retailer 8HK$16,815 HKD
Retailer 14HK$20,244 HKD
Retailer 18HK$23,476 HKD
Retailer 12HK$23,726 HKD
Brilliant EarthHK$38,683 HKD
Retailer 10HK$40,209 HKD

9 data points across 18 retailers

13 retailersHK$4,449 HKD to HK$35,623 HKD

A
Cheapest Retailer
-
HK$4,449 HKD
$567 USD
A
Retailer 2
-
HK$4,928 HKD
$628 USD
View
A
Retailer 3
-
HK$5,728 HKD
$730 USD
View
B+
Retailer 4
-
HK$7,297 HKD
$930 USD
View
A
Retailer 5
-
HK$7,302 HKD
£733 GBP
View
A
Retailer 6
-
HK$7,956 HKD
$1,014 USD
View
A
Retailer 7
-
HK$8,479 HKD
£851 GBP
View
B+
Retailer 8
-
HK$12,711 HKD
$1,620 USD
View
B+
Retailer 9
-
HK$14,057 HKD
$1,792 USD
View
B+
Retailer 10
-
HK$14,296 HKD
$1,822 USD
View
B
Retailer 11
-
HK$23,476 HKD
$2,992 USD
View
B
Retailer 12
-
HK$23,726 HKD
£2,381 GBP
View
Most Expensive
B
Brilliant Earth
22300949A · Oct 29
HK$35,623 HKD
$4,540 USD
View
12 more retailers have this diamond
Prices start from HK$4,449 HKDSave up to HK$31,174 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
3.74ct Oval
HK$4,449 HKD