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Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840629501

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629501

Diamond specifications and retailer prices

From $1,333 NZD
$750 USD
As of November 2, 2026
Save $7,678 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,011 NZD at Brilliant Earth · As of November 2, 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 LG840629501 or 840629501. Listed at 16 retailers as of November 2, 2026, with prices from $1,333 to $9,011, a $7,678 spread on the same certified stone. Brilliant Earth lists it at $9,011. 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 angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629501
Dimensions9.98 × 7.39 × 4.99 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
9.98 mm7.39 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629501
Side View
Table 63.0%Crown 35.1°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 67.5%

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: $9,011 NZD|Low: $1,333 NZD|High: $9,011 NZD|Avg: $3,455 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
Retailer 15
Retailer 16
November 2, 2026
Retailer 3$1,333 NZD
Retailer 2$1,367 NZD
Retailer 16$1,680 NZD
Retailer 7$1,690 NZD
Retailer 4$1,742 NZD
Retailer 12$1,792 NZD
Retailer 9$1,867 NZD
Retailer 15$2,530 NZD
Retailer 5$2,602 NZD
Retailer 13$4,059 NZD
Retailer 6$4,097 NZD
Retailer 8$4,155 NZD
Retailer 10$4,283 NZD
Retailer 11$5,002 NZD
Retailer 14$7,767 NZD
Brilliant Earth$9,011 NZD

6 data points across 16 retailers

16 retailers$1,333 NZD to $9,011 NZD

A
Cheapest Retailer
-
$1,333 NZD
$750 USD
A
Retailer 2
-
$1,367 NZD
£606 GBP
View
A
Retailer 3
-
$1,680 NZD
$945 USD
View
A
Retailer 4
-
$1,690 NZD
$951 USD
View
A
Retailer 5
-
$1,742 NZD
$980 USD
View
A
Retailer 6
-
$1,792 NZD
€960 EUR
View
A
Retailer 7
-
$1,867 NZD
£827 GBP
View
A
Retailer 8
-
$2,530 NZD
A$2,190 AUD
View
A
Retailer 9
-
$2,602 NZD
ZAR 23,652 ZAR
View
B+
Retailer 10
-
$4,059 NZD
$2,284 USD
View
B+
Retailer 11
-
$4,097 NZD
$2,305 USD
View
B+
Retailer 12
-
$4,155 NZD
SGD 3,159 SGD
View
B+
Retailer 13
-
$4,283 NZD
$2,410 USD
View
B
Retailer 14
-
$5,002 NZD
£2,216 GBP
View
B
Retailer 15
-
$7,767 NZD
$4,370 USD
View
Most Expensive
B
Brilliant Earth
22335762Y · Nov 2
$9,011 NZD
$5,070 USD
View
15 more retailers have this diamond
Prices start from $1,333 NZDSave up to $7,678 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
$1,333 NZD