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Radiant|Lab Grown|IGI

3.45ct D IF Radiant Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From $2,269 USD
£1,787 GBP
Save $8,438 USD (79%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $10,707 USD at Blue Nile
View at Blue Nile

About this 3.45ct lab-grown radiant diamond

This 3.45ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 2 retailers, with prices from $2,269 to $10,707 at Blue Nile, a $8,438 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.45
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.65 × 7.59 × 4.94 mm
L/W Ratio1.40
Top View
10.65 mm7.59 mm3.45 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $10,707 USD|Low: $1,319 USD|High: $10,707 USD|Avg: $4,340 USD|+11.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 1, 2026
Retailer 5$1,319 USD
Retailer 4$1,688 USD
Retailer 2$2,269 USD
Retailer 3$3,542 USD
Retailer 6$4,265 USD
Blue Nile$10,707 USD

25 data points across 6 retailers

2 retailers$2,269 USD to $10,707 USD

A
Cheapest Retailer
-
$2,269 USD
£1,787 GBP
Most Expensive
B
Blue Nile
28885539 · Sep 29
$10,707 USD
View
1 more retailer has this diamond
Prices start from $2,269 USDSave up to $8,438 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
3.45ct Radiant
$2,269 USD