Cushion|Lab Grown|IGI

4.86ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG797625490

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797625490

Diamond specifications and retailer prices

From $1,893 AUD
$1,330 USD
As of October 29, 2026
Save $6,492 AUD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,641 AUD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 4.86ct lab-grown cushion diamond

This 4.86ct 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 LG797625490 or 797625490. Listed at 9 retailers as of October 29, 2026, with a 343% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.86
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797625490
Dimensions11.60 × 9.13 × 6.14 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm9.13 mm4.86 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797625490
Side View
Table 65.0%Crown 29.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.3%

Caratlytics Score

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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 29
Current: $8,385 AUD|Low: $1,465 AUD|High: $8,385 AUD|Avg: $4,143 AUD
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
October 19, 2026
Retailer 10$1,893 AUD
Retailer 6$2,064 AUD
Retailer 3$2,090 AUD
Retailer 4$2,354 AUD
Retailer 7$2,606 AUD
Retailer 9$3,274 AUD
Retailer 13$3,517 AUD
Retailer 12$4,035 AUD
Retailer 5$5,081 AUD
Retailer 8$6,280 AUD
Retailer 2$6,406 AUD
Retailer 11$7,543 AUD
Brilliant Earth$8,385 AUD

7 data points across 13 retailers

9 retailers$1,893 AUD to $8,385 AUD

A
Cheapest Retailer
-
$1,893 AUD
$1,330 USD
Final sale: no returns
A
Retailer 2
-
$2,064 AUD
$1,450 USD
View
A
Retailer 3
-
$2,606 AUD
HK$14,300 HKD
View
B+
Retailer 4
-
$3,274 AUD
$2,300 USD
View
Retailer 5
-
$6,280 AUD
View
Price last confirmed 22 days ago
Retailer 6
-
$6,406 AUD
$4,500 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$7,543 AUD
SGD 7,160 SGD
View
B
Retailer 8
-
$8,385 AUD
$5,890 USD
View
Most Expensive
Brilliant Earth
21190080B · Oct 1
$8,641 AUD
$6,070 USD
View
Price last confirmed 29 days ago
8 more retailers have this diamond
Prices start from $1,893 AUDSave up to $6,492 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.

A
4.86ct Cushion
$1,893 AUD