Oval|Lab Grown|GIA

4.21ct D IF Oval Lab Grown Diamond

ID • D/IF • GIA 3535080773

Certificate GIA 3535080773

Diamond specifications and retailer prices

From €7,008 EUR
$7,829 USD
As of October 29, 2026
Save €11,485 EUR (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €18,493 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 stated by the retailer rather than the lab and certified by GIA 3535080773. Listed at 6 retailers as of October 29, 2026, with prices from €7,008 to €18,493, a €11,485 spread on the same certified stone. Brilliant Earth lists it at €18,493. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 3535080773
Dimensions12.96 × 9.05 × 5.67 mm
L/W Ratio1.43
Top View
12.96 mm9.05 mm4.21 ctD / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 3535080773
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: €18,493 EUR|Low: €6,182 EUR|High: €19,065 EUR|Avg: €9,834 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 11, 2026
Retailer 6€6,182 EUR
Retailer 2€7,008 EUR
Retailer 5€7,288 EUR
Retailer 3€8,129 EUR
Retailer 4€10,091 EUR
Brilliant Earth€18,493 EUR

5 data points across 6 retailers

6 retailers€7,008 EUR to €18,493 EUR

A
Cheapest Retailer
-
€7,008 EUR
$7,829 USD
B+
Retailer 2
-
€7,288 EUR
$8,142 USD
View
Retailer 3
-
€8,129 EUR
$9,082 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
€8,129 EUR
$9,082 USD
View
B+
Retailer 5
-
€10,091 EUR
$11,274 USD
View
Most Expensive
B
Brilliant Earth
16513769A · Oct 31
€18,493 EUR
$20,660 USD
View
5 more retailers have this diamond
Prices start from €7,008 EURSave up to €11,485 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
€7,008 EUR