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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2527827765

Certificate GIA 2527827765

Diamond specifications and retailer prices

From €4,681 EUR
$5,230 USD
As of October 29, 2026
Save €23,527 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €32,205 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round 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 GIA 2527827765. Listed at 19 retailers as of October 29, 2026, with a 503% 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2527827765
Dimensions10.34 × 10.36 × 6.39 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.34 mm10.36 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527827765
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: €32,205 EUR|Low: €4,936 EUR|High: €32,375 EUR|Avg: €14,786 EUR|-0.5%
Do Amore 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
October 30, 2026
Retailer 13€4,936 EUR
Retailer 9€5,442 EUR
Retailer 5€5,560 EUR
Retailer 7€5,573 EUR
Retailer 12€7,848 EUR
Retailer 8€9,424 EUR
Retailer 6€12,262 EUR
Retailer 11€13,467 EUR
Retailer 2€13,800 EUR
Retailer 4€21,046 EUR
Retailer 10€21,106 EUR
Retailer 3€28,209 EUR
Do Amore Diamonds€32,205 EUR

26 data points across 13 retailers

19 retailers€4,681 EUR to €28,209 EUR

A
Cheapest Retailer
-
€4,681 EUR
$5,230 USD
A
Retailer 2
-
€4,906 EUR
$5,481 USD
View
A
Retailer 3
-
€4,936 EUR
$5,514 USD
View
A
Retailer 4
-
€5,015 EUR
$5,603 USD
View
Retailer 5
-
€5,431 EUR
$6,067 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
€5,431 EUR
$6,067 USD
View
A
Retailer 7
-
€5,442 EUR
$6,080 USD
View
B+
Retailer 8
-
€7,116 EUR
$7,950 USD
View
Retailer 9
-
€7,192 EUR
$8,035 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
€7,848 EUR
$8,768 USD
View
B+
Retailer 11
-
€9,424 EUR
View
B+
Retailer 12
-
€12,262 EUR
£10,787 GBP
View
B
Retailer 13
-
€13,467 EUR
$15,045 USD
View
B+
Retailer 14
-
€13,800 EUR
$15,418 USD
View
B
Retailer 15
-
€14,956 EUR
$16,709 USD
View
B
Retailer 16
-
€21,046 EUR
$23,513 USD
View
B
Retailer 17
-
€21,106 EUR
$23,580 USD
View
B
Retailer 18
-
€28,209 EUR
$31,515 USD
View
Most Expensive
Do Amore Diamonds
27-406375325 · Oct 29
€32,205 EUR
$35,980 USD
View
Price under review
18 more retailers have this diamond
Prices start from €4,681 EURSave up to €23,527 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
4.20ct Round
€4,681 EUR