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Cushion|Lab Grown|IGI

3.05ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG613370313

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG613370313

Diamond specifications and retailer prices

From $1,706 NZD
As of November 4, 2026
Save $4,902 NZD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,608 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG613370313 or 613370313. Listed at 10 retailers as of November 4, 2026, with prices from $1,706 to $6,608, a $4,902 spread on the same certified stone. MOH London lists it at $6,608. 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613370313
Dimensions9.02 × 7.53 × 4.95 mm
L/W Ratio1.20
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.02 mm7.53 mm3.05 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613370313
Side View
Table 63.0%Crown 33.9°Girdle: STK-VTKPavilion 31.3°Culet: NoneDepth 65.7%

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 4
Current: $6,608 NZD|Low: $1,706 NZD|High: $6,714 NZD|Avg: $3,363 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$1,706 NZD
Retailer 6$1,768 NZD
Retailer 3$2,053 NZD
Retailer 5$2,081 NZD
Retailer 10$2,249 NZD
Retailer 8$2,288 NZD
Retailer 7$2,841 NZD
Retailer 2$4,107 NZD
Retailer 4$4,880 NZD
Retailer 11$6,128 NZD
MOH London$6,608 NZD

20 data points across 11 retailers

10 retailers$1,706 NZD to $6,608 NZD

A
Cheapest Retailer
-
$1,706 NZD
Final sale: no returns
Retailer 2
-
$1,768 NZD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$2,081 NZD
View
A
Retailer 4
-
$2,249 NZD
View
A
Retailer 5
-
$2,288 NZD
View
B+
Retailer 6
-
$2,841 NZD
View
B+
Retailer 7
-
$4,107 NZD
View
B
Retailer 8
-
$4,880 NZD
View
B
Retailer 9
-
$6,128 NZD
View
Most Expensive
B
MOH London
LG613370313 · Nov 5
$6,608 NZD
£2,925 GBP
View
9 more retailers have this diamond
Prices start from $1,706 NZDSave up to $4,902 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
$1,706 NZD