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Oval|Lab Grown|IGI

4.20ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG843643654

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843643654

Diamond specifications and retailer prices

From $1,006 NZD
$567 USD
As of November 1, 2026
Save $5,240 NZD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,246 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.2ct lab-grown oval diamond

This 4.2ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843643654 or 843643654. Listed at 17 retailers as of November 1, 2026, with prices from $1,006 to $6,246, a $5,240 spread on the same certified stone. Brilliant Earth lists it at $6,246. 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
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843643654
Dimensions12.77 × 9.02 × 5.59 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm9.02 mm4.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843643654
Side View
Table 59.0%Crown 35.6°Girdle: THK-VTKPavilion 39.5°Culet: NoneDepth 62.0%

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 1
Current: $6,246 NZD|Low: $1,006 NZD|High: $6,246 NZD|Avg: $2,757 NZD
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
November 1, 2026
Retailer 15$1,006 NZD
Retailer 10$1,076 NZD
Retailer 8$1,127 NZD
Retailer 12$1,127 NZD
Retailer 6$1,247 NZD
Retailer 17$1,482 NZD
Retailer 14$1,920 NZD
Retailer 11$1,947 NZD
Retailer 13$1,952 NZD
Retailer 3$2,864 NZD
Retailer 16$3,094 NZD
Retailer 5$3,281 NZD
Retailer 4$4,015 NZD
Retailer 7$4,042 NZD
Retailer 2$5,415 NZD
Retailer 9$5,687 NZD
Brilliant Earth$6,246 NZD

12 data points across 17 retailers

17 retailers$1,006 NZD to $6,246 NZD

A
Cheapest Retailer
-
$1,006 NZD
$567 USD
A
Retailer 2
-
$1,076 NZD
£477 GBP
View
A
Retailer 3
-
$1,127 NZD
$635 USD
View
A
Retailer 4
-
$1,127 NZD
$635 USD
View
Final sale: no returns
A
Retailer 5
-
$1,247 NZD
$703 USD
View
A
Retailer 6
-
$1,482 NZD
$835 USD
View
B+
Retailer 7
-
$1,920 NZD
$1,082 USD
View
A
Retailer 8
-
$1,947 NZD
£864 GBP
View
A
Retailer 9
-
$1,952 NZD
$1,100 USD
View
B+
Retailer 10
-
$2,864 NZD
$1,614 USD
View
B+
Retailer 11
-
$3,094 NZD
$1,744 USD
View
B+
Retailer 12
-
$3,281 NZD
$1,849 USD
View
B+
Retailer 13
-
$4,015 NZD
$2,263 USD
View
B+
Retailer 14
-
$4,042 NZD
$2,278 USD
View
B
Retailer 15
-
$5,415 NZD
£2,403 GBP
View
Retailer 16
-
$5,687 NZD
$3,205 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22219886A · Nov 1
$6,246 NZD
$3,520 USD
View
16 more retailers have this diamond
Prices start from $1,006 NZDSave up to $5,240 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 Oval
$1,006 NZD