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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG678584148

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584148

Diamond specifications and retailer prices

From HK$3,327 HKD
$424 USD
As of November 1, 2026
Save HK$31,430 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$34,756 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct 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 LG678584148 or 678584148. Listed at 16 retailers as of October 31, 2026, with prices from HK$3,327 to HK$34,756, a HK$31,430 spread on the same certified stone. Brilliant Earth lists it at HK$34,756. 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

3.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584148
Dimensions11.45 × 8.26 × 5.07 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm8.26 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584148
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 40.1°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: Nov 1
Current: HK$34,756 HKD|Low: HK$3,327 HKD|High: HK$34,756 HKD|Avg: HK$8,753 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
November 2, 2026
Retailer 5HK$3,327 HKD
Retailer 4HK$3,727 HKD
Retailer 11HK$3,852 HKD
Retailer 12HK$4,127 HKD
Retailer 8HK$4,307 HKD
Retailer 16HK$5,257 HKD
Retailer 14HK$5,531 HKD
Retailer 13HK$6,488 HKD
Retailer 2HK$6,799 HKD
Retailer 6HK$7,208 HKD
Retailer 3HK$8,183 HKD
Retailer 10HK$9,901 HKD
Retailer 15HK$13,259 HKD
Retailer 7HK$14,828 HKD
Retailer 9HK$15,155 HKD
Brilliant EarthHK$34,756 HKD

45 data points across 16 retailers

16 retailersHK$3,327 HKD to HK$34,756 HKD

A
Cheapest Retailer
-
HK$3,327 HKD
$424 USD
A
Retailer 2
-
HK$3,727 HKD
$475 USD
View
A
Retailer 3
-
HK$3,852 HKD
$491 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,127 HKD
$526 USD
View
Retailer 5
-
HK$4,307 HKD
$549 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$5,257 HKD
$670 USD
View
B+
Retailer 7
-
HK$5,531 HKD
$705 USD
View
A
Retailer 8
-
HK$6,488 HKD
$827 USD
View
A
Retailer 9
-
HK$6,799 HKD
£682 GBP
View
A
Retailer 10
-
HK$7,208 HKD
€875 EUR
View
A
Retailer 11
-
HK$8,183 HKD
$1,043 USD
View
B+
Retailer 12
-
HK$9,901 HKD
$1,262 USD
View
B+
Retailer 13
-
HK$13,259 HKD
$1,690 USD
View
B+
Retailer 14
-
HK$14,828 HKD
$1,890 USD
View
B+
Retailer 15
-
HK$15,155 HKD
£1,521 GBP
View
Most Expensive
B
Brilliant Earth
17470500A · Oct 31
HK$34,756 HKD
$4,430 USD
View
15 more retailers have this diamond
Prices start from HK$3,327 HKDSave up to HK$31,430 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
3.05ct Oval
HK$3,327 HKD