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 $5,230 USD
As of October 26, 2026
Save $26,285 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $35,980 USD at Do Amore Diamonds · As of October 27, 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 18 retailers as of October 26, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $35,980 USD|Low: $5,514 USD|High: $36,170 USD|Avg: $16,600 USD|-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
October 27, 2026
Retailer 11$5,514 USD
Retailer 6$6,080 USD
Retailer 4$6,212 USD
Retailer 10$8,768 USD
Retailer 2$10,487 USD
Retailer 5$13,645 USD
Retailer 9$15,045 USD
Retailer 7$15,418 USD
Retailer 3$23,513 USD
Retailer 8$23,580 USD
Retailer 12$31,515 USD
Do Amore Diamonds$35,980 USD

24 data points across 12 retailers

18 retailers$5,230 USD to $31,515 USD

A
Cheapest Retailer
-
$5,230 USD
Returns within 21 days
A
Retailer 2
-
$5,481 USD
View
A
Retailer 3
-
$5,514 USD
View
Returns within 30 days
A
Retailer 4
-
$6,067 USD
View
Price last confirmed 12 days ago
Returns within 30 days
A
Retailer 5
-
$6,067 USD
View
Returns within 30 days
A
Retailer 6
-
$6,080 USD
View
Returns within 40 days
B+
Retailer 7
-
$7,950 USD
View
Returns within 30 days
B+
Retailer 8
-
$8,035 USD
View
Price last confirmed 8 days ago
Returns within 30 days
B+
Retailer 9
-
$8,768 USD
View
Returns within 30 days
B+
Retailer 10
-
$10,487 USD
€9,988 EUR
View
Returns within 100 days
B+
Retailer 11
-
$13,645 USD
£10,744 GBP
View
B+
Retailer 12
-
$15,045 USD
View
Returns within 30 days
B+
Retailer 13
-
$15,418 USD
View
Returns within 30 days
B
Retailer 14
-
$16,709 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B
Retailer 15
-
$23,513 USD
View
Returns within 90 days
B
Retailer 16
-
$23,580 USD
View
Returns within 30 days
B
Retailer 17
-
$31,515 USD
View
Returns within 14 days
Most Expensive
B
Do Amore Diamonds
27-406375325 · Oct 27
$35,980 USD
View
Price under review
Returns within 60 days
17 more retailers have this diamond
Prices start from $5,230 USDSave up to $26,285 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
4.20ct Round
$5,230 USD