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Cushion|Lab Grown|IGI

6.55ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG835653581

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG835653581

Diamond specifications and retailer prices

From $3,820 AUD
$2,677 USD
As of November 1, 2026
Save $9,995 AUD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,815 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.55ct lab-grown cushion diamond

This 6.55ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835653581 or 835653581. Listed at 13 retailers as of October 31, 2026, with prices from $3,820 to $13,815, a $9,995 spread on the same certified stone. Taylor and Hart lists it at $13,815. 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

6.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835653581
Dimensions13.05 × 9.78 × 6.08 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.05 mm9.78 mm6.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835653581
Side View
Table 55.0%Crown 35.1°Girdle: STK-THKPavilion 39.6°Culet: LargeDepth 62.2%

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: $6,152 AUD|Low: $3,820 AUD|High: $14,436 AUD|Avg: $7,741 AUD|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 2, 2026
Retailer 3$3,820 AUD
Retailer 2$4,188 AUD
Retailer 11$4,787 AUD
Retailer 6$5,405 AUD
Retailer 1$6,152 AUD
Retailer 5$6,173 AUD
Retailer 8$7,332 AUD
Retailer 12$7,502 AUD
Retailer 9$8,090 AUD
Retailer 10$10,045 AUD
Retailer 7$10,594 AUD
Retailer 4$11,135 AUD
Taylor and Hart$13,815 AUD

19 data points across 13 retailers

13 retailers$3,820 AUD to $13,815 AUD

A
Cheapest Retailer
-
$3,820 AUD
$2,677 USD
Final sale: no returns
B+
Retailer 2
-
$4,188 AUD
$2,935 USD
View
B+
Retailer 3
-
$4,787 AUD
$3,355 USD
View
B+
Retailer 4
-
$5,405 AUD
£2,982 GBP
View
B+
Retailer 5
-
$6,152 AUD
€4,106 EUR
View
B
Retailer 6
-
$6,173 AUD
$4,326 USD
View
B
Retailer 7
-
$7,332 AUD
View
B
Retailer 8
-
$7,502 AUD
£4,140 GBP
View
B
Retailer 9
-
$8,090 AUD
View
B
Retailer 10
-
$10,045 AUD
$7,040 USD
View
B
Retailer 11
-
$10,594 AUD
£5,846 GBP
View
B
Retailer 12
-
$11,135 AUD
$7,804 USD
View
Most Expensive
B
Taylor and Hart
1RVYK4N · Oct 31
$13,815 AUD
$9,682 USD
View
12 more retailers have this diamond
Prices start from $3,820 AUDSave up to $9,995 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
6.55ct Cushion
$3,820 AUD