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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG746503745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746503745

Diamond specifications and retailer prices

From HK$3,668 HKD
As of November 6, 2026
Save HK$25,174 HKD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$28,842 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG746503745 or 746503745. Listed at 20 retailers as of November 5, 2026, with prices from HK$3,668 to HK$28,842, a HK$25,174 spread on the same certified stone. Brilliant Earth lists it at HK$28,842. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746503745
Dimensions11.71 × 8.18 × 5.13 mm
L/W Ratio1.43
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 mm8.18 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746503745
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$28,842 HKD|Low: HK$3,566 HKD|High: HK$28,842 HKD|Avg: HK$10,951 HKD|+8.2%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 9HK$3,668 HKD
Retailer 19HK$4,107 HKD
Retailer 17HK$4,546 HKD
Retailer 10HK$5,204 HKD
Retailer 3HK$5,643 HKD
Retailer 12HK$6,160 HKD
Retailer 2HK$6,748 HKD
Retailer 6HK$7,101 HKD
Retailer 13HK$7,461 HKD
Retailer 5HK$7,477 HKD
Retailer 11HK$9,765 HKD
Retailer 15HK$10,847 HKD
Retailer 4HK$12,501 HKD
Retailer 18HK$14,617 HKD
Retailer 8HK$14,852 HKD
Retailer 14HK$15,832 HKD
Retailer 7HK$16,051 HKD
Retailer 16HK$16,701 HKD
Brilliant EarthHK$28,842 HKD

34 data points across 19 retailers

20 retailersHK$3,668 HKD to HK$28,842 HKD

A
Cheapest Retailer
-
HK$3,668 HKD
A
Retailer 2
-
HK$4,107 HKD
View
Retailer 3
-
HK$4,420 HKD
View
Price last confirmed 21 days ago
A
Retailer 4
-
HK$4,546 HKD
View
A
Retailer 5
-
HK$5,204 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$5,643 HKD
View
A
Retailer 7
-
HK$6,160 HKD
View
A
Retailer 8
-
HK$6,748 HKD
View
B+
Retailer 9
-
HK$7,101 HKD
View
A
Retailer 10
-
HK$7,461 HKD
View
A
Retailer 11
-
HK$7,477 HKD
View
B+
Retailer 12
-
HK$9,765 HKD
View
B+
Retailer 13
-
HK$10,847 HKD
View
B+
Retailer 14
-
HK$12,501 HKD
View
B
Retailer 15
-
HK$14,617 HKD
View
B
Retailer 16
-
HK$14,852 HKD
View
B
Retailer 17
-
HK$15,832 HKD
View
B
Retailer 18
-
HK$16,051 HKD
View
B
Retailer 19
-
HK$16,701 HKD
View
Most Expensive
B
Brilliant Earth
16605189A · Nov 5
HK$28,842 HKD
$3,680 USD
View
19 more retailers have this diamond
Prices start from HK$3,668 HKDSave up to HK$25,174 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
3.09ct Oval
HK$3,668 HKD