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Round|Lab Grown|IGI

4.20ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • IGI LG733547273

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733547273

Diamond specifications and retailer prices

From $1,020 NZD
$573 USD
As of October 29, 2026
Save $4,565 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,938 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733547273 or 733547273. Listed at 17 retailers as of October 29, 2026, with a 447% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.20
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733547273
Dimensions10.50 × 10.46 × 6.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm10.46 mm4.20 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733547273
Side View
Table 60.0%Crown 32°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.5%

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: Oct 29
Current: $14,938 NZD|Low: $1,010 NZD|High: $15,384 NZD|Avg: $3,505 NZD|-2.9%
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
Retailer 17
October 30, 2026
Retailer 11$1,020 NZD
Retailer 15$1,156 NZD
Retailer 9$1,266 NZD
Retailer 7$1,280 NZD
Retailer 14$1,513 NZD
Retailer 5$1,850 NZD
Retailer 16$1,969 NZD
Retailer 2$1,970 NZD
Retailer 13$2,122 NZD
Retailer 3$2,998 NZD
Retailer 17$3,175 NZD
Retailer 6$3,365 NZD
Retailer 10$3,690 NZD
Retailer 8$4,100 NZD
Retailer 4$4,120 NZD
Retailer 12$5,585 NZD
Brilliant Earth$14,938 NZD

43 data points across 17 retailers

17 retailers$1,020 NZD to $5,585 NZD

A
Cheapest Retailer
-
$1,020 NZD
$573 USD
A
Retailer 2
-
$1,156 NZD
$649 USD
View
Retailer 3
-
$1,266 NZD
$711 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,280 NZD
$719 USD
View
A
Retailer 5
-
$1,513 NZD
$850 USD
View
A
Retailer 6
-
$1,850 NZD
$1,039 USD
View
B+
Retailer 7
-
$1,969 NZD
$1,106 USD
View
A
Retailer 8
-
$1,970 NZD
£871 GBP
View
A
Retailer 9
-
$2,122 NZD
€1,135 EUR
View
B+
Retailer 10
-
$2,998 NZD
$1,684 USD
View
B+
Retailer 11
-
$3,175 NZD
$1,783 USD
View
B+
Retailer 12
-
$3,365 NZD
$1,890 USD
View
B+
Retailer 13
-
$3,690 NZD
£1,632 GBP
View
Retailer 14
-
$4,100 NZD
$2,303 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$4,120 NZD
$2,314 USD
View
B
Retailer 16
-
$5,585 NZD
£2,470 GBP
View
Most Expensive
Brilliant Earth
16817197A · Oct 29
$14,938 NZD
$8,390 USD
View
Price under review
16 more retailers have this diamond
Prices start from $1,020 NZDSave up to $4,565 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
4.20ct Round
$1,020 NZD