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Oval|Lab Grown|GIA

0.45ct E SI1 Oval Lab Grown Diamond

E/SI1 • GIA 1489246836

Certificate GIA 1489246836

Diamond specifications and retailer prices

From $329 USD
£259 GBP
As of October 29, 2026
Save $182 USD (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $511 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 0.45ct lab-grown oval diamond

This 0.45ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 1489246836. Listed at 2 retailers as of October 28, 2026, with prices from $329 to $511, a $182 spread on the same certified stone. Diamond Quarter lists it at $511. 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

0.45
Carat
E
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1489246836
Dimensions6.14 × 4.12 × 2.76 mm
L/W Ratio1.49
Culet sizeNone
Top View
6.14 mm4.12 mm0.45 ctE / SI1
OriginLab Grown
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1489246836
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Oct 29
Current: $162 USD|Low: $113 USD|High: $329 USD|Avg: $255 USD|+43.4%
Retailer 1
Retailer 2
March 1, 2026
Retailer 1$162 USD
Retailer 2$329 USD

9 data points across 2 retailers

2 retailers$329 USD to $511 USD

B
Cheapest Retailer
-
$329 USD
£259 GBP
Most Expensive
C
Diamond Quarter
0.45SI1E1436EED5N · Oct 28
$511 USD
£402 GBP
View
1 more retailer has this diamond
Prices start from $329 USDSave up to $182 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 Oval
$329 USD