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Round|Lab Grown|GIA

4.30ct D IF Round Lab Grown Diamond

EX • D/IF

Diamond specifications and retailer prices

From $4,963 USD
Save $10,841 USD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $15,804 USD at Blue Nile
View at Blue Nile

About this 4.3ct lab-grown round diamond

This 4.3ct 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. Listed at 5 retailers, with prices from $4,963 to $15,804 at Blue Nile, a $10,841 spread on the same certified stone. 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

4.30
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions10.47 × 10.49 × 6.37 mm
L/W Ratio1.00
Top View
10.47 mm10.49 mm4.30 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Medium to Slightly ThickPavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $15,804 USD|Low: $4,963 USD|High: $17,330 USD|Avg: $9,227 USD|-8.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 1, 2026
Retailer 2$4,963 USD
Retailer 4$5,135 USD
Retailer 3$5,418 USD
Retailer 6$7,059 USD
Retailer 5$7,859 USD
Blue Nile$15,804 USD

21 data points across 6 retailers

5 retailers$4,963 USD to $15,804 USD

A
Cheapest Retailer
-
$4,963 USD
A
Retailer 2
-
$5,135 USD
£4,044 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
$5,418 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$7,859 USD
View
Most Expensive
B
Blue Nile
27425274 · Oct 1
$15,804 USD
View
4 more retailers have this diamond
Prices start from $4,963 USDSave up to $10,841 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.

A
4.30ct Round
$4,963 USD