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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG788643967

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788643967

Diamond specifications and retailer prices

From HK$4,182 HKD
$533 USD
As of October 31, 2026
Save HK$29,257 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$33,439 HKD at Frank Darling · As of October 27, 2026
View at Frank Darling

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 LG788643967 or 788643967. Listed at 13 retailers as of October 27, 2026, with prices from HK$4,182 to HK$33,439, a HK$29,257 spread on the same certified stone. Frank Darling lists it at HK$33,439. 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 angle37.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788643967
Dimensions9.87 × 7.59 × 5.14 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.87 mm7.59 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788643967
Side View
Table 62.0%Crown 37.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.7%

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$33,439 HKD|Low: HK$3,044 HKD|High: HK$35,350 HKD|Avg: HK$14,240 HKD|-5.4%
Frank Darling
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 8HK$3,113 HKD
Retailer 15HK$4,182 HKD
Retailer 4HK$5,845 HKD
Retailer 10HK$6,214 HKD
Retailer 5HK$6,779 HKD
Retailer 9HK$8,027 HKD
Retailer 13HK$8,834 HKD
Retailer 12HK$10,827 HKD
Retailer 6HK$14,109 HKD
Retailer 7HK$16,437 HKD
Retailer 16HK$17,527 HKD
Retailer 14HK$17,723 HKD
Retailer 2HK$21,403 HKD
Retailer 3HK$22,125 HKD
Retailer 11HK$33,266 HKD
Frank DarlingHK$33,439 HKD

21 data points across 16 retailers

13 retailersHK$4,182 HKD to HK$33,439 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$21,403 HKD
£2,148 GBP
View
Retailer 11
-
HK$22,125 HKD
$2,820 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
HK$33,266 HKD
$4,240 USD
View
Most Expensive
B
Frank Darling
100767804367KD · Oct 27
HK$33,439 HKD
$4,262 USD
View
12 more retailers have this diamond
Prices start from HK$4,182 HKDSave up to HK$29,257 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