Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG817671723

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG817671723

Diamond specifications and retailer prices

From HK$7,148 HKD
$911 USD
As of November 2, 2026
Save HK$47,618 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$54,766 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817671723 or 817671723. Listed at 13 retailers as of November 2, 2026, with prices from HK$7,148 to HK$54,766, a HK$47,618 spread on the same certified stone. Do Amore Diamonds lists it at HK$54,766. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle51.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817671723
Dimensions11.08 × 6.58 × 4.34 mm
L/W Ratio1.68
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm6.58 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817671723
Side View
Table 58.0%Crown 37.4°Girdle: MED-THKPavilion 51.4°Culet: LargeDepth 66.0%

Caratlytics Score

How it works →
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 2
Current: HK$54,766 HKD|Low: HK$7,148 HKD|High: HK$54,766 HKD|Avg: HK$19,152 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4HK$7,148 HKD
Retailer 12HK$7,156 HKD
Retailer 13HK$8,552 HKD
Retailer 11HK$10,082 HKD
Retailer 10HK$10,090 HKD
Retailer 2HK$12,142 HKD
Retailer 8HK$16,320 HKD
Retailer 6HK$17,829 HKD
Retailer 7HK$21,763 HKD
Retailer 3HK$24,174 HKD
Retailer 5HK$28,168 HKD
Retailer 9HK$29,754 HKD
Do Amore DiamondsHK$54,766 HKD

34 data points across 13 retailers

13 retailersHK$7,148 HKD to HK$54,766 HKD

A
Cheapest Retailer
-
HK$7,148 HKD
$911 USD
Retailer 2
-
HK$7,156 HKD
$912 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$8,552 HKD
$1,090 USD
View
A
Retailer 4
-
HK$10,082 HKD
$1,285 USD
View
A
Retailer 5
-
HK$10,090 HKD
$1,286 USD
View
A
Retailer 6
-
HK$12,142 HKD
£1,219 GBP
View
B+
Retailer 7
-
HK$16,320 HKD
$2,080 USD
View
B+
Retailer 8
-
HK$17,829 HKD
A$3,496 AUD
View
B
Retailer 9
-
HK$21,763 HKD
£2,184 GBP
View
B
Retailer 10
-
HK$24,174 HKD
$3,081 USD
View
B
Retailer 11
-
HK$28,168 HKD
$3,590 USD
View
Retailer 12
-
HK$29,754 HKD
£2,986 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-7F4268558 · Nov 2
HK$54,766 HKD
$6,980 USD
View
12 more retailers have this diamond
Prices start from HK$7,148 HKDSave up to HK$47,618 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 Cushion
HK$7,148 HKD