CaratHunter
Plans
Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754594340

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754594340

Diamond specifications and retailer prices

From €2,035 EUR
$2,274 USD
As of October 29, 2026
Save €12,185 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €14,221 EUR 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594340 or 754594340. Listed at 17 retailers as of October 29, 2026, with prices from €2,035 to €14,221, a €12,185 spread on the same certified stone. Novita Diamonds lists it at €14,221. 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 angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594340
Dimensions12.56 × 8.96 × 5.76 mm
L/W Ratio1.40
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
12.56 mm8.96 mm4.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594340
Side View
Table 56.0%Crown 36°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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: €14,221 EUR|Low: €2,019 EUR|High: €19,065 EUR|Avg: €5,938 EUR|+0.4%
Novita Diamonds
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€2,035 EUR
Retailer 10€2,214 EUR
Retailer 12€2,414 EUR
Retailer 8€2,496 EUR
Retailer 16€2,506 EUR
Retailer 5€3,582 EUR
Retailer 11€3,618 EUR
Retailer 6€3,703 EUR
Retailer 14€3,832 EUR
Retailer 2€4,236 EUR
Retailer 9€5,147 EUR
Retailer 7€5,779 EUR
Retailer 4€6,464 EUR
Retailer 17€7,015 EUR
Retailer 13€10,168 EUR
Retailer 3€13,999 EUR
Novita Diamonds€14,221 EUR

36 data points across 17 retailers

17 retailers€2,035 EUR to €14,221 EUR

A
Cheapest Retailer
-
€2,035 EUR
$2,274 USD
A
Retailer 2
-
€2,214 EUR
$2,474 USD
View
A
Retailer 3
-
€2,414 EUR
$2,697 USD
View
A
Retailer 4
-
€2,496 EUR
$2,788 USD
View
Final sale: no returns
A
Retailer 5
-
€2,506 EUR
$2,800 USD
View
A
Retailer 6
-
€3,582 EUR
$4,002 USD
View
A
Retailer 7
-
€3,618 EUR
$4,042 USD
View
A
Retailer 8
-
€3,703 EUR
$4,137 USD
View
A
Retailer 9
-
€3,832 EUR
$4,281 USD
View
A
Retailer 10
-
€4,236 EUR
View
Retailer 11
-
€5,147 EUR
$5,751 USD
View
Price last confirmed 83 days ago
Retailer 12
-
€5,779 EUR
A$9,932 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€6,464 EUR
$7,222 USD
View
B+
Retailer 14
-
€7,015 EUR
£6,171 GBP
View
B
Retailer 15
-
€10,168 EUR
$11,360 USD
View
B
Retailer 16
-
€13,999 EUR
$15,640 USD
View
Most Expensive
B
Novita Diamonds
cert_754594340 · Nov 1
€14,221 EUR
A$24,442 AUD
View
16 more retailers have this diamond
Prices start from €2,035 EURSave up to €12,185 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
€2,035 EUR