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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG790677719

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790677719

Diamond specifications and retailer prices

From HK$4,182 HKD
$533 USD
As of October 31, 2026
Save HK$29,796 HKD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$33,977 HKD at Queensmith · As of October 28, 2026
View at Queensmith

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790677719 or 790677719. Listed at 14 retailers as of October 28, 2026, with prices from HK$4,182 to HK$33,977, a HK$29,796 spread on the same certified stone. Queensmith lists it at HK$33,977. 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790677719
Dimensions10.16 × 7.68 × 5.21 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm7.68 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790677719
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 67.8%

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: Oct 31
Current: HK$33,977 HKD|Low: HK$3,044 HKD|High: HK$35,350 HKD|Avg: HK$14,601 HKD
Queensmith
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
November 1, 2026
Retailer 9HK$3,056 HKD
Retailer 15HK$4,182 HKD
Retailer 5HK$4,747 HKD
Retailer 17HK$6,214 HKD
Retailer 6HK$6,779 HKD
Retailer 2HK$8,027 HKD
Retailer 14HK$8,834 HKD
Retailer 10HK$10,827 HKD
Retailer 7HK$14,109 HKD
Retailer 8HK$16,437 HKD
Retailer 13HK$17,527 HKD
Retailer 16HK$17,723 HKD
Retailer 11HK$21,522 HKD
Retailer 4HK$22,321 HKD
Retailer 12HK$33,266 HKD
Retailer 3HK$33,439 HKD
QueensmithHK$33,977 HKD

19 data points across 17 retailers

14 retailersHK$4,182 HKD to HK$33,977 HKD

A
Cheapest Retailer
-
HK$4,182 HKD
$533 USD
Final sale: no returns
B+
Retailer 2
-
HK$6,214 HKD
$792 USD
View
A
Retailer 3
-
HK$8,027 HKD
£806 GBP
View
A
Retailer 4
-
HK$8,834 HKD
$1,126 USD
View
A
Retailer 5
-
HK$10,827 HKD
A$2,123 AUD
View
Retailer 6
-
HK$17,355 HKD
$2,212 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$17,527 HKD
$2,234 USD
View
B+
Retailer 8
-
HK$17,723 HKD
$2,259 USD
View
Retailer 9
-
HK$19,634 HKD
A$3,850 AUD
View
Price last confirmed 120 days ago
B
Retailer 10
-
HK$21,522 HKD
£2,160 GBP
View
Retailer 11
-
HK$22,321 HKD
$2,845 USD
View
Price last confirmed 17 days ago
B
Retailer 12
-
HK$33,266 HKD
$4,240 USD
View
B
Retailer 13
-
HK$33,439 HKD
$4,262 USD
View
Most Expensive
B
Queensmith
LG790677719 · Oct 28
HK$33,977 HKD
£3,410 GBP
View
13 more retailers have this diamond
Prices start from HK$4,182 HKDSave up to HK$29,796 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$4,182 HKD