CaratHunter
Plans
Round|Lab Grown|IGI

3.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG690527176

Shape and cutting style on the report: Round brilliant

Certificate IGI LG690527176

Diamond specifications and retailer prices

From HK$11,847 HKD
CA$2,097 CAD
As of October 30, 2026
Save HK$3,821 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$15,668 HKD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.9ct lab-grown round diamond

This 3.9ct 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 LG690527176 or 690527176. Listed at 2 retailers as of October 30, 2026, with prices from HK$11,847 to HK$15,668, a HK$3,821 spread on the same certified stone. The Diamond Guys lists it at HK$15,668. 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

3.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690527176
Dimensions10.03 × 9.98 × 6.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.03 mm9.98 mm3.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690527176
Side View
Table 55.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$42,602 HKD|Low: HK$2,338 HKD|High: HK$42,602 HKD|Avg: HK$12,488 HKD|+66.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4HK$6,277 HKD
Retailer 8HK$6,934 HKD
Retailer 11HK$7,446 HKD
Retailer 2HK$7,814 HKD
Retailer 10HK$9,101 HKD
Retailer 7HK$9,148 HKD
Retailer 6HK$9,505 HKD
Retailer 9HK$11,847 HKD
Retailer 3HK$15,260 HKD
The Diamond GuysHK$15,668 HKD
Retailer 5HK$18,738 HKD
Retailer 12HK$24,243 HKD
Retailer 1HK$42,602 HKD

60 data points across 13 retailers

2 retailersHK$11,847 HKD to HK$15,668 HKD

B+
Cheapest Retailer
-
HK$11,847 HKD
CA$2,097 CAD
Most Expensive
B
The Diamond Guys
1954434256 · Oct 30
HK$15,668 HKD
$1,997 USD
View
1 more retailer has this diamond
Prices start from HK$11,847 HKDSave up to HK$3,821 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.

B+
3.90ct Round
HK$11,847 HKD