Cushion|Lab Grown|IGI

6.55ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG655422864

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG655422864

Diamond specifications and retailer prices

From $2,853 NZD
$1,605 USD
As of November 1, 2026
Save $10,459 NZD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,312 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG655422864 or 655422864. Listed at 22 retailers as of November 1, 2026, with prices from $2,853 to $13,312, a $10,459 spread on the same certified stone. Brilliant Earth lists it at $13,312. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655422864
Dimensions9.70 × 9.70 × 6.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm9.70 mm6.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655422864
Side View
Table 60.0%Crown 33.9°Girdle: MED-THKPavilion 30.4°Culet: NoneDepth 64.9%

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: $13,312 NZD|Low: $2,931 NZD|High: $13,312 NZD|Avg: $6,348 NZD
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
Retailer 14
November 2, 2026
Retailer 4$2,931 NZD
Retailer 7$3,087 NZD
Retailer 6$3,235 NZD
Retailer 3$3,901 NZD
Retailer 8$4,137 NZD
Retailer 2$4,348 NZD
Retailer 9$5,432 NZD
Retailer 14$5,620 NZD
Retailer 13$7,502 NZD
Retailer 11$8,417 NZD
Retailer 5$8,630 NZD
Retailer 10$8,743 NZD
Retailer 12$9,580 NZD
Brilliant Earth$13,312 NZD

35 data points across 14 retailers

22 retailers$2,853 NZD to $13,312 NZD

A
Cheapest Retailer
-
$2,853 NZD
$1,605 USD
Final sale: no returns
Retailer 2
-
$2,931 NZD
$1,649 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$3,087 NZD
£1,368 GBP
View
A
Retailer 4
-
$3,162 NZD
HK$13,900 HKD
View
A
Retailer 5
-
$3,235 NZD
$1,820 USD
View
A
Retailer 6
-
$3,569 NZD
$2,008 USD
View
A
Retailer 7
-
$3,901 NZD
$2,195 USD
View
A
Retailer 8
-
$4,137 NZD
£1,833 GBP
View
Retailer 9
-
$4,239 NZD
£1,878 GBP
View
Price last confirmed 18 days ago
A
Retailer 10
-
$4,348 NZD
€2,330 EUR
View
B+
Retailer 11
-
$5,432 NZD
A$4,702 AUD
View
Retailer 12
-
$5,620 NZD
ZAR 51,080 ZAR
View
Price last confirmed 19 days ago
B+
Retailer 13
-
$7,069 NZD
£3,132 GBP
View
B+
Retailer 14
-
$7,502 NZD
$4,221 USD
View
B
Retailer 15
-
$8,417 NZD
£3,729 GBP
View
B
Retailer 16
-
$8,630 NZD
$4,856 USD
View
B
Retailer 17
-
$8,743 NZD
A$7,568 AUD
View
B
Retailer 18
-
$9,128 NZD
SGD 6,940 SGD
View
Retailer 19
-
$9,580 NZD
$5,390 USD
View
Price last confirmed 15 days ago
Retailer 20
-
$9,624 NZD
$5,415 USD
View
Price last confirmed 28 days ago
B
Retailer 21
-
$10,314 NZD
$5,803 USD
View
Most Expensive
B
Brilliant Earth
12155750A · Nov 2
$13,312 NZD
$7,490 USD
View
21 more retailers have this diamond
Prices start from $2,853 NZDSave up to $10,459 NZD

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
$2,853 NZD