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Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840627385

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840627385

Diamond specifications and retailer prices

From $1,226 NZD
£544 GBP
As of November 2, 2026
Save $8,586 NZD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,812 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG840627385 or 840627385. Listed at 17 retailers as of November 1, 2026, with prices from $1,226 to $9,812, a $8,586 spread on the same certified stone. Brilliant Earth lists it at $9,812. 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

3.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840627385
Dimensions10.35 × 7.30 × 5.14 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm7.30 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840627385
Side View
Table 63.0%Crown 34.8°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 70.4%

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 2
Current: $1,226 NZD|Low: $962 NZD|High: $6,973 NZD|Avg: $2,625 NZD|+7.0%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 9$962 NZD
Retailer 1$1,226 NZD
Retailer 18$1,292 NZD
Retailer 14$1,295 NZD
Retailer 13$1,567 NZD
Retailer 7$1,641 NZD
Retailer 17$1,680 NZD
Retailer 16$2,270 NZD
Retailer 10$3,266 NZD
Retailer 8$3,339 NZD
Retailer 2$3,488 NZD
Retailer 6$3,653 NZD
Retailer 15$3,679 NZD
Retailer 5$3,766 NZD
Retailer 11$4,276 NZD
Retailer 12$4,486 NZD
Retailer 4$5,369 NZD
Retailer 3$6,973 NZD

11 data points across 18 retailers

17 retailers$1,226 NZD to $9,812 NZD

A
Cheapest Retailer
-
$1,226 NZD
£544 GBP
B+
Retailer 2
-
$1,292 NZD
$728 USD
View
A
Retailer 3
-
$1,295 NZD
$730 USD
View
A
Retailer 4
-
$1,567 NZD
€841 EUR
View
Retailer 5
-
$1,641 NZD
£728 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,680 NZD
$947 USD
View
A
Retailer 7
-
$2,270 NZD
A$1,968 AUD
View
Retailer 8
-
$3,266 NZD
$1,841 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$3,488 NZD
$1,966 USD
View
B+
Retailer 10
-
$3,653 NZD
$2,059 USD
View
B+
Retailer 11
-
$3,679 NZD
A$3,190 AUD
View
B+
Retailer 12
-
$3,766 NZD
SGD 2,868 SGD
View
B+
Retailer 13
-
$4,276 NZD
$2,410 USD
View
B
Retailer 14
-
$4,486 NZD
£1,991 GBP
View
B
Retailer 15
-
$5,369 NZD
$3,026 USD
View
B
Retailer 16
-
$6,973 NZD
$3,930 USD
View
Most Expensive
B
Brilliant Earth
22434313Y · Nov 1
$9,812 NZD
$5,530 USD
View
16 more retailers have this diamond
Prices start from $1,226 NZDSave up to $8,586 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
3.05ct Cushion
$1,226 NZD