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Oval|Lab Grown|IGI

3.05ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584132

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584132

Diamond specifications and retailer prices

From HK$4,765 HKD
As of November 1, 2026
Save HK$12,712 HKD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,477 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584132 or 678584132. Listed at 15 retailers as of October 31, 2026, with prices from HK$4,765 to HK$17,477, a HK$12,712 spread on the same certified stone. Brilliant Earth lists it at HK$17,477. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584132
Dimensions11.67 × 8.25 × 5.11 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm8.25 mm3.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584132
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.9%

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$17,477 HKD|Low: HK$2,853 HKD|High: HK$17,477 HKD|Avg: HK$7,283 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 1, 2026
Retailer 4HK$2,853 HKD
Retailer 3HK$3,260 HKD
Retailer 16HK$3,307 HKD
Retailer 7HK$3,832 HKD
Retailer 8HK$3,832 HKD
Retailer 14HK$4,702 HKD
Retailer 11HK$4,765 HKD
Retailer 12HK$6,011 HKD
Retailer 9HK$6,380 HKD
Retailer 5HK$6,646 HKD
Retailer 15HK$8,417 HKD
Retailer 10HK$8,880 HKD
Retailer 13HK$11,372 HKD
Retailer 2HK$13,825 HKD
Retailer 6HK$14,773 HKD
Brilliant EarthHK$17,477 HKD

41 data points across 16 retailers

15 retailersHK$4,765 HKD to HK$17,477 HKD

Retailer 1
-
HK$2,853 HKD
Price last confirmed 10 days ago
Retailer 2
-
HK$3,307 HKD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$3,832 HKD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$3,832 HKD
View
Price last confirmed 12 days ago
Retailer 5
-
HK$4,702 HKD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
HK$4,765 HKD
View
A
Retailer 7
-
HK$6,011 HKD
View
A
Retailer 8
-
HK$6,380 HKD
View
A
Retailer 9
-
HK$6,646 HKD
View
B+
Retailer 10
-
HK$8,417 HKD
View
B+
Retailer 11
-
HK$8,880 HKD
View
Retailer 12
-
HK$11,372 HKD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$13,825 HKD
View
Retailer 14
-
HK$14,773 HKD
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
17470285A · Oct 31
HK$17,477 HKD
$2,230 USD
View
14 more retailers have this diamond
Prices start from HK$4,765 HKDSave up to HK$12,712 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$4,765 HKD