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Cushion|Lab Grown|IGI

3.05ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG625428284

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG625428284

Diamond specifications and retailer prices

From $841 NZD
$473 USD
As of November 1, 2026
Save $2,699 NZD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,539 NZD at MOH London · As of November 1, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625428284 or 625428284. Listed at 11 retailers as of November 1, 2026, with prices from $841 to $3,539, a $2,699 spread on the same certified stone. MOH London lists it at $3,539. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625428284
Dimensions10.45 × 7.73 × 4.97 mm
L/W Ratio1.35
Girdle conditionFaceted
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
10.45 mm7.73 mm3.05 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625428284
Side View
Table 60.0%Crown 34.5°Girdle: THN-MEDPavilion 35.4°Culet: NoneDepth 64.3%

Caratlytics Score

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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: $3,539 NZD|Low: $818 NZD|High: $6,434 NZD|Avg: $2,095 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$841 NZD
Retailer 10$906 NZD
Retailer 9$1,212 NZD
Retailer 5$1,441 NZD
Retailer 11$1,445 NZD
Retailer 4$1,478 NZD
Retailer 3$1,713 NZD
Retailer 2$2,193 NZD
Retailer 7$3,412 NZD
Retailer 8$3,466 NZD
MOH London$3,539 NZD

43 data points across 11 retailers

11 retailers$841 NZD to $3,539 NZD

A
Cheapest Retailer
-
$841 NZD
$473 USD
Final sale: no returns
Retailer 2
-
$906 NZD
$510 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,212 NZD
$682 USD
View
A
Retailer 4
-
$1,441 NZD
€772 EUR
View
A
Retailer 5
-
$1,445 NZD
$813 USD
View
A
Retailer 6
-
$1,478 NZD
£655 GBP
View
A
Retailer 7
-
$1,713 NZD
$964 USD
View
B+
Retailer 8
-
$2,193 NZD
$1,234 USD
View
B+
Retailer 9
-
$3,412 NZD
$1,920 USD
View
B
Retailer 10
-
$3,466 NZD
$1,950 USD
View
Most Expensive
B+
MOH London
LG625428284 · Nov 1
$3,539 NZD
£1,568 GBP
View
10 more retailers have this diamond
Prices start from $841 NZDSave up to $2,699 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
$841 NZD