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Round|Lab Grown|IGI

3.90ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG804659326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804659326

Diamond specifications and retailer prices

From HK$24,965 HKD
$3,182 USD
As of October 30, 2026
Save HK$81,030 HKD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$105,995 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659326 or 804659326. Listed at 12 retailers as of October 30, 2026, with prices from HK$24,965 to HK$105,995, a HK$81,030 spread on the same certified stone. Brilliant Earth lists it at HK$105,995. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.90
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659326
Dimensions10.12 × 10.06 × 6.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.12 mm10.06 mm3.90 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659326
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 30
Current: HK$105,995 HKD|Low: HK$23,937 HKD|High: HK$131,729 HKD|Avg: HK$53,428 HKD|-19.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9HK$24,965 HKD
Retailer 4HK$30,127 HKD
Retailer 3HK$31,971 HKD
Retailer 2HK$33,097 HKD
Retailer 8HK$37,110 HKD
Retailer 6HK$39,419 HKD
Retailer 11HK$42,572 HKD
Retailer 7HK$52,762 HKD
Retailer 10HK$64,623 HKD
Retailer 5HK$66,221 HKD
Retailer 12HK$93,529 HKD
Brilliant EarthHK$105,995 HKD

41 data points across 12 retailers

12 retailersHK$24,965 HKD to HK$105,995 HKD

A
Cheapest Retailer
-
HK$24,965 HKD
$3,182 USD
B+
Retailer 2
-
HK$30,127 HKD
View
B+
Retailer 3
-
HK$31,971 HKD
$4,075 USD
View
B+
Retailer 4
-
HK$33,097 HKD
£3,322 GBP
View
B+
Retailer 5
-
HK$37,110 HKD
$4,730 USD
View
B+
Retailer 6
-
HK$39,419 HKD
€4,785 EUR
View
B+
Retailer 7
-
HK$52,762 HKD
$6,725 USD
View
B
Retailer 8
-
HK$64,623 HKD
$8,237 USD
View
B+
Retailer 9
-
HK$66,221 HKD
£6,646 GBP
View
B
Retailer 10
-
HK$85,770 HKD
$10,932 USD
View
B
Retailer 11
-
HK$95,435 HKD
$12,164 USD
View
Most Expensive
B
Brilliant Earth
20635014A · Oct 30
HK$105,995 HKD
$13,510 USD
View
11 more retailers have this diamond
Prices start from HK$24,965 HKDSave up to HK$81,030 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
3.90ct Round
HK$24,965 HKD