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Cushion|Lab Grown|IGI

4.89ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG817656166

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817656166

Diamond specifications and retailer prices

From $1,092 AUD
$765 USD
As of November 1, 2026
Save $2,289 AUD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,519 AUD at Frank Darling · As of October 24, 2026
View at Frank Darling

About this 4.89ct lab-grown cushion diamond

This 4.89ct 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 LG817656166 or 817656166. Listed at 6 retailers as of November 1, 2026, with a 210% 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

4.89
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817656166
Dimensions11.97 × 8.84 × 5.84 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.84 mm4.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817656166
Side View
Table 64.0%Crown 35.6°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.1%

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: Nov 1
Current: $7,519 AUD|Low: $1,092 AUD|High: $7,519 AUD|Avg: $3,575 AUD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$1,092 AUD
Retailer 4$1,501 AUD
Retailer 5$2,216 AUD
Retailer 2$3,380 AUD
Retailer 6$5,215 AUD
Frank Darling$7,519 AUD

14 data points across 6 retailers

6 retailers$1,092 AUD to $3,380 AUD

A
Cheapest Retailer
-
$1,092 AUD
$765 USD
Final sale: no returns
B+
Retailer 2
-
$1,501 AUD
$1,052 USD
View
Retailer 3
-
$2,216 AUD
$1,553 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
$3,380 AUD
$2,369 USD
View
Retailer 5
-
$5,215 AUD
$3,655 USD
View
Price last confirmed 26 days ago
Most Expensive
Frank Darling
100189028388KD · Oct 24
$7,519 AUD
$5,270 USD
View
Price last confirmed 9 days ago
5 more retailers have this diamond
Prices start from $1,092 AUDSave up to $2,289 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
4.89ct Cushion
$1,092 AUD