Oval|Lab Grown|IGI

4.21ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG826694860

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826694860

Diamond specifications and retailer prices

From $1,130 NZD
$637 USD
As of October 29, 2026
Save $5,654 NZD (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,784 NZD at Frank Darling · As of October 26, 2026
View at Frank Darling

About this 4.21ct lab-grown oval diamond

This 4.21ct 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 LG826694860 or 826694860. Listed at 5 retailers as of October 26, 2026, with prices from $1,130 to $6,784, a $5,654 spread on the same certified stone. Frank Darling lists it at $6,784. 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

4.21
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826694860
Dimensions12.93 × 9.42 × 5.61 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.93 mm9.42 mm4.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826694860
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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: Oct 29
Current: $6,784 NZD|Low: $1,130 NZD|High: $6,784 NZD|Avg: $3,270 NZD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 2$1,130 NZD
Retailer 6$1,482 NZD
Retailer 3$1,567 NZD
Retailer 5$1,948 NZD
Retailer 9$2,874 NZD
Retailer 8$2,967 NZD
Retailer 4$5,536 NZD
Retailer 7$6,458 NZD
Frank Darling$6,784 NZD

16 data points across 9 retailers

5 retailers$1,130 NZD to $6,784 NZD

A
Cheapest Retailer
-
$1,130 NZD
$637 USD
Final sale: no returns
B+
Retailer 2
-
$1,567 NZD
$883 USD
View
Retailer 3
-
$5,536 NZD
$3,120 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$6,458 NZD
$3,640 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Frank Darling
100191234099KD · Oct 26
$6,784 NZD
$3,823 USD
View
4 more retailers have this diamond
Prices start from $1,130 NZDSave up to $5,654 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
4.21ct Oval
$1,130 NZD