CaratHunter
Plans
Oval|Lab Grown|IGI

3.87ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG780663598

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663598

Diamond specifications and retailer prices

From HK$21,794 HKD
As of October 30, 2026
Save HK$98,648 HKD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$120,442 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.87ct lab-grown oval diamond

This 3.87ct lab-grown oval 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 LG780663598 or 780663598. Listed at 12 retailers as of October 29, 2026, with prices from HK$21,794 to HK$120,442, a HK$98,648 spread on the same certified stone. Brilliant Earth lists it at HK$120,442. 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

3.87
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663598
Dimensions12.65 × 8.69 × 5.50 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
12.65 mm8.69 mm3.87 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663598
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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$120,442 HKD|Low: HK$19,920 HKD|High: HK$120,442 HKD|Avg: HK$55,961 HKD|+0.8%
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
October 25, 2026
Retailer 7HK$19,920 HKD
Retailer 12HK$21,794 HKD
Retailer 4HK$25,744 HKD
Retailer 11HK$26,952 HKD
Retailer 2HK$28,440 HKD
Retailer 15HK$35,150 HKD
Retailer 10HK$41,547 HKD
Retailer 9HK$46,763 HKD
Retailer 8HK$51,629 HKD
Retailer 3HK$59,163 HKD
Retailer 5HK$64,003 HKD
Retailer 14HK$65,450 HKD
Retailer 13HK$69,056 HKD
Retailer 6HK$88,799 HKD
Brilliant EarthHK$120,442 HKD

26 data points across 15 retailers

12 retailersHK$21,794 HKD to HK$120,442 HKD

A
Cheapest Retailer
-
HK$21,794 HKD
A
Retailer 2
-
HK$26,952 HKD
$3,435 USD
View
A
Retailer 3
-
HK$28,440 HKD
€3,452 EUR
View
B+
Retailer 4
-
HK$41,547 HKD
$5,295 USD
View
B+
Retailer 5
-
HK$46,763 HKD
$5,960 USD
View
B+
Retailer 6
-
HK$51,629 HKD
$6,580 USD
View
Retailer 7
-
HK$59,163 HKD
ZAR 121,811 ZAR
View
Price last confirmed 23 days ago
Retailer 8
-
HK$64,003 HKD
$8,157 USD
View
Price last confirmed 24 days ago
Retailer 9
-
HK$65,450 HKD
£6,568 GBP
View
Price last confirmed 21 days ago
B
Retailer 10
-
HK$69,056 HKD
$8,801 USD
View
Retailer 11
-
HK$88,799 HKD
$11,317 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
19088516A · Oct 29
HK$120,442 HKD
$15,350 USD
View
11 more retailers have this diamond
Prices start from HK$21,794 HKDSave up to HK$98,648 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
3.87ct Oval
HK$21,794 HKD