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Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG793643349

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG793643349

Diamond specifications and retailer prices

From €2,901 EUR
$3,241 USD
As of November 1, 2026
Save €7,580 EUR (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €14,400 EUR at Novita Diamonds · As of October 8, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG793643349 or 793643349. Listed at 11 retailers as of October 31, 2026, with a 261% 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

4.21
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793643349
Dimensions12.98 × 9.21 × 5.73 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.98 mm9.21 mm4.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793643349
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.2%

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: €14,400 EUR|Low: €2,871 EUR|High: €14,400 EUR|Avg: €6,542 EUR|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7€2,901 EUR
Retailer 4€3,311 EUR
Retailer 2€3,822 EUR
Retailer 6€4,227 EUR
Retailer 3€4,526 EUR
Retailer 8€5,022 EUR
Retailer 5€7,648 EUR
Retailer 10€9,944 EUR
Retailer 9€10,481 EUR
Novita Diamonds€14,400 EUR

41 data points across 10 retailers

11 retailers€2,901 EUR to €10,481 EUR

A
Cheapest Retailer
-
€2,901 EUR
$3,241 USD
A
Retailer 2
-
€3,311 EUR
HK$28,900 HKD
View
A
Retailer 3
-
€3,822 EUR
£3,362 GBP
View
A
Retailer 4
-
€4,227 EUR
$4,722 USD
View
A
Retailer 5
-
€4,526 EUR
View
A
Retailer 6
-
€5,022 EUR
$5,611 USD
View
Retailer 7
-
€6,277 EUR
$7,013 USD
View
Price last confirmed 96 days ago
B+
Retailer 8
-
€7,648 EUR
£6,728 GBP
View
B
Retailer 9
-
€9,944 EUR
$11,109 USD
View
B
Retailer 10
-
€10,481 EUR
$11,709 USD
View
Most Expensive
Novita Diamonds
cert_793643349 · Oct 8
€14,400 EUR
A$24,750 AUD
View
Price last confirmed 23 days ago
10 more retailers have this diamond
Prices start from €2,901 EURSave up to €7,580 EUR

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
€2,901 EUR