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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584187

Diamond specifications and retailer prices

From HK$4,781 HKD
As of November 1, 2026
Save HK$13,167 HKD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,948 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown oval diamond

This 3.07ct 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 LG678584187 or 678584187. Listed at 15 retailers as of October 31, 2026, with prices from HK$4,781 to HK$17,948, a HK$13,167 spread on the same certified stone. Brilliant Earth lists it at HK$17,948. 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

3.07
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584187
Dimensions11.71 × 8.25 × 4.93 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.25 mm3.07 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584187
Side View
Table 61.0%Crown 35.9°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 59.8%

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$17,948 HKD|Low: HK$2,868 HKD|High: HK$17,948 HKD|Avg: HK$7,551 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 3HK$2,868 HKD
Retailer 16HK$3,284 HKD
Retailer 15HK$3,331 HKD
Retailer 7HK$3,856 HKD
Retailer 8HK$3,856 HKD
Retailer 13HK$4,742 HKD
Retailer 10HK$4,781 HKD
Retailer 11HK$6,035 HKD
Retailer 2HK$6,419 HKD
Retailer 4HK$6,685 HKD
Retailer 14HK$8,527 HKD
Retailer 9HK$8,935 HKD
Retailer 12HK$11,443 HKD
Retailer 6HK$14,891 HKD
Retailer 5HK$15,079 HKD
Brilliant EarthHK$17,948 HKD

41 data points across 16 retailers

15 retailersHK$4,781 HKD to HK$17,948 HKD

Retailer 1
-
HK$2,868 HKD
Price last confirmed 10 days ago
Retailer 2
-
HK$3,331 HKD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$3,856 HKD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$3,856 HKD
View
Price last confirmed 12 days ago
Retailer 5
-
HK$4,742 HKD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
HK$4,781 HKD
View
A
Retailer 7
-
HK$6,035 HKD
View
A
Retailer 8
-
HK$6,419 HKD
View
A
Retailer 9
-
HK$6,685 HKD
View
B+
Retailer 10
-
HK$8,527 HKD
View
B+
Retailer 11
-
HK$8,935 HKD
View
Retailer 12
-
HK$11,443 HKD
View
Price last confirmed 9 days ago
Retailer 13
-
HK$14,891 HKD
View
Price last confirmed 16 days ago
Retailer 14
-
HK$15,079 HKD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
17470558A · Oct 31
HK$17,948 HKD
$2,290 USD
View
14 more retailers have this diamond
Prices start from HK$4,781 HKDSave up to HK$13,167 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
3.07ct Oval
HK$4,781 HKD