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Cushion|Lab Grown|IGI

4.88ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG813620307

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG813620307

Diamond specifications and retailer prices

From $1,017 AUD
$713 USD
As of November 1, 2026
Save $377 AUD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,218 AUD at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.88ct lab-grown cushion diamond

This 4.88ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813620307 or 813620307. Listed at 3 retailers as of October 28, 2026, with a 37% 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

4.88
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813620307
Dimensions10.02 × 9.77 × 6.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.02 mm9.77 mm4.88 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813620307
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 67.1%

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 1
Current: $3,218 AUD|Low: $1,017 AUD|High: $7,620 AUD|Avg: $3,124 AUD|-10.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 26, 2026
Retailer 3$1,017 AUD
Retailer 2$1,394 AUD
Retailer 4$1,720 AUD
Retailer 6$2,190 AUD
Retailer 7$2,219 AUD
Brilliance$3,218 AUD
Retailer 8$3,951 AUD
Retailer 5$7,620 AUD

8 data points across 8 retailers

3 retailers$1,017 AUD to $1,394 AUD

A
Cheapest Retailer
-
$1,017 AUD
$713 USD
Final sale: no returns
B+
Retailer 2
-
$1,394 AUD
$977 USD
View
Most Expensive
Brilliance
D45376113 · Oct 5
$3,218 AUD
$2,255 USD
View
Price last confirmed 28 days ago
2 more retailers have this diamond
Prices start from $1,017 AUDSave up to $377 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
4.88ct Cushion
$1,017 AUD