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Cushion|Lab Grown|IGI

1.51ct K VS1 Cushion Lab Grown Diamond

ID • K/VS1 • IGI LG821673225

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821673225

Diamond specifications and retailer prices

From $2,020 AUD
As of November 4, 2026
Save $2,121 AUD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,141 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821673225 or 821673225. Listed at 4 retailers as of November 4, 2026, with prices from $2,020 to $4,141, a $2,121 spread on the same certified stone. Frank Darling lists it at $4,141. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821673225
Dimensions9.15 × 5.97 × 3.79 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
9.15 mm5.97 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821673225
Side View
Table 53.0%Crown 38°Girdle: MED-THKPavilion 42°Culet: LargeDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $4,141 AUD|Low: $1,173 AUD|High: $4,692 AUD|Avg: $2,729 AUD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,173 AUD
Retailer 6$1,784 AUD
Retailer 3$2,020 AUD
Retailer 2$2,278 AUD
Retailer 5$3,410 AUD
Frank Darling$4,141 AUD
Retailer 4$4,692 AUD

13 data points across 7 retailers

4 retailers$2,020 AUD to $4,141 AUD

Retailer 1
-
$1,173 AUD
Price last confirmed 63 days ago
B
Retailer 2
-
$2,020 AUD
View
B
Retailer 3
-
$2,278 AUD
View
Most Expensive
C
Frank Darling
LGO942129JA · Nov 6
$4,141 AUD
$2,845 USD
View
3 more retailers have this diamond
Prices start from $2,020 AUDSave up to $2,121 AUD

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.

B
1.51ct Cushion
$2,020 AUD