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Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG780691249

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780691249

Diamond specifications and retailer prices

From $1,454 NZD
HK$6,400 HKD
As of November 1, 2026
Save $8,128 NZD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,581 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG780691249 or 780691249. Listed at 20 retailers as of October 29, 2026, with prices from $1,454 to $9,581, a $8,128 spread on the same certified stone. Do Amore Diamonds lists it at $9,581. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780691249
Dimensions9.80 × 7.23 × 4.94 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.80 mm7.23 mm3.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780691249
Side View
Table 64.0%Crown 41.1°Girdle: THK-VTKPavilion 34°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,718 NZD|Low: $1,102 NZD|High: $5,345 NZD|Avg: $2,698 NZD|+2.2%
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
November 2, 2026
Retailer 2$1,102 NZD
Retailer 16$1,490 NZD
Retailer 8$1,606 NZD
Retailer 4$1,632 NZD
Retailer 1$1,718 NZD
Retailer 10$1,781 NZD
Retailer 9$1,891 NZD
Retailer 13$2,588 NZD
Retailer 12$2,642 NZD
Retailer 15$2,729 NZD
Retailer 7$3,542 NZD
Retailer 3$3,819 NZD
Retailer 5$4,084 NZD
Retailer 6$4,209 NZD
Retailer 14$4,276 NZD
Retailer 11$5,309 NZD

41 data points across 16 retailers

20 retailers$1,454 NZD to $9,581 NZD

Retailer 1
-
$1,102 NZD
$621 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$1,454 NZD
HK$6,400 HKD
View
A
Retailer 3
-
$1,490 NZD
$840 USD
View
A
Retailer 4
-
$1,606 NZD
$905 USD
View
A
Retailer 5
-
$1,632 NZD
$920 USD
View
A
Retailer 6
-
$1,718 NZD
$968 USD
View
A
Retailer 7
-
$1,781 NZD
€956 EUR
View
A
Retailer 8
-
$1,891 NZD
£839 GBP
View
Retailer 9
-
$2,588 NZD
A$2,244 AUD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$2,642 NZD
ZAR 24,052 ZAR
View
Retailer 11
-
$2,729 NZD
$1,538 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$3,542 NZD
£1,572 GBP
View
Retailer 13
-
$3,819 NZD
A$3,311 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$4,084 NZD
$2,302 USD
View
B+
Retailer 15
-
$4,153 NZD
$2,341 USD
View
B+
Retailer 16
-
$4,209 NZD
SGD 3,206 SGD
View
Retailer 17
-
$4,276 NZD
$2,410 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$5,309 NZD
£2,356 GBP
View
B
Retailer 19
-
$7,896 NZD
$4,450 USD
View
Most Expensive
B
Do Amore Diamonds
23-780691249 · Oct 29
$9,581 NZD
$5,400 USD
View
19 more retailers have this diamond
Prices start from $1,454 NZDSave up to $8,128 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
$1,454 NZD