Radiant|Natural|GIA

0.30ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 7552815547

Certificate GIA 7552815547

Diamond specifications and retailer prices

From $285 USD
As of October 18, 2026
8 retailers carry this diamond
Most expensive: $787 USD at MOH London · As of October 18, 2026
View at MOH London

About this 0.3ct natural radiant diamond

This 0.3ct natural radiant sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7552815547. Listed at 8 retailers as of October 18, 2026. 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

0.30
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.7°
Pavilion angle60.27°
OriginNatural
Grading LabGIA
CertificateGIA 7552815547
Dimensions4.52 × 3.47 × 2.35 mm
L/W Ratio1.30
Culet sizeNone
Top View
4.52 mm3.47 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7552815547
Side View
Table 68.0%Crown 40.7°Girdle: THN-STKPavilion 60.27°Culet: NoneDepth 67.7%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 18
Current: $787 USD|Low: $285 USD|High: $1,220 USD|Avg: $489 USD|-35.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 20, 2026
Retailer 4$285 USD
Retailer 7$292 USD
Retailer 8$300 USD
Retailer 10$346 USD
Retailer 3$425 USD
Retailer 6$493 USD
Retailer 5$558 USD
Retailer 9$564 USD
Retailer 2$589 USD
MOH London$787 USD

31 data points across 10 retailers

8 retailers$285 USD to $787 USD

Retailer 1
-
$285 USD
Price last confirmed 13 days ago
Retailer 2
-
$292 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$300 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$346 USD
HK$2,700 HKD
View
Price last confirmed 33 days ago
Retailer 5
-
$493 USD
£388 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
$564 USD
A$867 AUD
View
Price last confirmed 27 days ago
Retailer 7
-
$589 USD
£464 GBP
View
Price last confirmed 12 days ago
Most Expensive
MOH London
7535F6A54 · Oct 18
$787 USD
£620 GBP
View
Price last confirmed 13 days ago
7 more retailers have this diamond

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.

0.30ct Radiant
$285 USD