Oval|Lab Grown|IGI

3.75ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG623481348

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG623481348

Diamond specifications and retailer prices

From HK$3,193 HKD
$407 USD
As of November 1, 2026
Save HK$20,501 HKD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$23,694 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.75ct lab-grown oval diamond

This 3.75ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623481348 or 623481348. Listed at 16 retailers as of October 31, 2026, with prices from HK$3,193 to HK$23,694, a HK$20,501 spread on the same certified stone. Brilliant Earth lists it at HK$23,694. 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

3.75
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623481348
Dimensions13.04 × 8.67 × 5.40 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm8.67 mm3.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623481348
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: Nov 1
Current: HK$23,694 HKD|Low: HK$3,068 HKD|High: HK$26,440 HKD|Avg: HK$9,041 HKD|-10.4%
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
November 2, 2026
Retailer 5HK$3,193 HKD
Retailer 12HK$3,578 HKD
Retailer 3HK$3,962 HKD
Retailer 16HK$3,962 HKD
Retailer 15HK$4,872 HKD
Retailer 11HK$5,100 HKD
Retailer 6HK$6,253 HKD
Retailer 2HK$6,454 HKD
Retailer 10HK$6,697 HKD
Retailer 7HK$7,147 HKD
Retailer 13HK$11,102 HKD
Retailer 8HK$11,282 HKD
Retailer 4HK$12,726 HKD
Retailer 9HK$15,464 HKD
Retailer 14HK$17,888 HKD
Brilliant EarthHK$23,694 HKD

39 data points across 16 retailers

16 retailersHK$3,193 HKD to HK$23,694 HKD

A
Cheapest Retailer
-
HK$3,193 HKD
$407 USD
A
Retailer 2
-
HK$3,578 HKD
$456 USD
View
A
Retailer 3
-
HK$3,962 HKD
$505 USD
View
Retailer 4
-
HK$3,962 HKD
$505 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$4,872 HKD
£489 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$5,100 HKD
$650 USD
View
B+
Retailer 7
-
HK$6,253 HKD
$797 USD
View
A
Retailer 8
-
HK$6,454 HKD
£648 GBP
View
A
Retailer 9
-
HK$6,697 HKD
€813 EUR
View
A
Retailer 10
-
HK$7,147 HKD
$911 USD
View
B+
Retailer 11
-
HK$11,102 HKD
$1,415 USD
View
B+
Retailer 12
-
HK$11,282 HKD
$1,438 USD
View
B+
Retailer 13
-
HK$12,726 HKD
$1,622 USD
View
B+
Retailer 14
-
HK$15,464 HKD
£1,552 GBP
View
B
Retailer 15
-
HK$17,888 HKD
$2,280 USD
View
Most Expensive
B
Brilliant Earth
9368755A · Oct 31
HK$23,694 HKD
$3,020 USD
View
15 more retailers have this diamond
Prices start from HK$3,193 HKDSave up to HK$20,501 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
3.75ct Oval
HK$3,193 HKD