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Cushion|Lab Grown|IGI

4.31ct F VVS2 Cushion Lab Grown Diamond

VG • F/VVS2 • IGI LG851619134

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851619134

Diamond specifications and retailer prices

From $3,587 NZD
£1,589 GBP
As of November 2, 2026
Save $5,074 NZD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,661 NZD at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 4.31ct lab-grown cushion diamond

This 4.31ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG851619134 or 851619134. Listed at 4 retailers as of November 1, 2026, with prices from $3,587 to $8,661, a $5,074 spread on the same certified stone. Taylor and Hart lists it at $8,661. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.31
Carat
F
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851619134
Dimensions11.99 × 7.48 × 4.88 mm
L/W Ratio1.60
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.99 mm7.48 mm4.31 ctF / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851619134
Side View
Table 67.0%Crown 39.1°Girdle: MED-STKPavilion 43.1°Culet: LargeDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,715 NZD|Low: $3,587 NZD|High: $8,661 NZD|Avg: $5,709 NZD
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 2, 2026
Retailer 3$3,587 NZD
Retailer 1$3,715 NZD
Retailer 2$3,921 NZD
Taylor and Hart$8,661 NZD

2 data points across 4 retailers

4 retailers$3,587 NZD to $8,661 NZD

B+
Cheapest Retailer
-
$3,587 NZD
£1,589 GBP
Retailer 2
-
$3,715 NZD
$2,090 USD
View
B+
Retailer 3
-
$3,921 NZD
$2,206 USD
View
Most Expensive
B
Taylor and Hart
4BKPMKN · Nov 1
$8,661 NZD
$4,873 USD
View
3 more retailers have this diamond
Prices start from $3,587 NZDSave up to $5,074 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.

B+
4.31ct Cushion
$3,587 NZD