Oval|Lab Grown|IGI

4.21ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG821695433

Certificate IGI LG821695433

Diamond specifications and retailer prices

From $5,095 USD
As of November 1, 2026
Save $6,824 USD (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,919 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4.21ct lab-grown oval diamond

This 4.21ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821695433 or 821695433. Listed at 4 retailers as of November 1, 2026, with prices from $5,095 to $11,919, a $6,824 spread on the same certified stone. Novita Diamonds lists it at $11,919. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821695433
Dimensions15.01 × 8.85 × 5.10 mm
L/W Ratio1.70
Top View
15.01 mm8.85 mm4.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821695433
Side View
Table 54.0%CrownGirdle: MED-STKPavilionCuletDepth 57.6%

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: $11,919 USD|Low: $5,095 USD|High: $11,919 USD|Avg: $9,629 USD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$5,095 USD
Retailer 2$8,302 USD
Retailer 4$11,414 USD
Novita Diamonds$11,919 USD

2 data points across 4 retailers

4 retailers$5,095 USD to $11,919 USD

A
Cheapest Retailer
-
$5,095 USD
B+
Retailer 2
-
$8,302 USD
£6,537 GBP
View
B
Retailer 3
-
$11,414 USD
View
Most Expensive
B
Novita Diamonds
cert_821695433 · Nov 1
$11,919 USD
A$18,337 AUD
View
3 more retailers have this diamond
Prices start from $5,095 USDSave up to $6,824 USD

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
$5,095 USD