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Round|Lab Grown

0.45ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • TA35C-77-77

Diamond specifications and retailer prices

From $285 USD
As of October 30, 2026
Save $19 USD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $304 USD at Aurelinne · As of October 31, 2026
View at Aurelinne

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade. Listed at 2 retailers as of October 30, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.45
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA35C-77-77
Dimensions4.96 × 4.93 × 3.02 mm
L/W Ratio1.01
Top View
4.96 mm4.93 mm0.45 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA35C-77-77
Side View
Table 59.5%CrownGirdlePavilionCuletDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $304 USD|Low: $285 USD|High: $304 USD|Avg: $295 USD|+1.3%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2$285 USD
Aurelinne$304 USD

3 data points across 2 retailers

2 retailers$285 USD to $304 USD

B+
Cheapest Retailer
-
$285 USD
Most Expensive
B
Aurelinne
bc90d297-94e7-467a-8ea3-7009b8e0dae4 · Oct 31
$304 USD
View
1 more retailer has this diamond
Prices start from $285 USDSave up to $19 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.

B+
0.45ct Round
$285 USD