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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7561570321

Certificate GIA 7561570321

Diamond specifications and retailer prices

From $298 USD
As of November 6, 2026
Save $666 USD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $964 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561570321. Listed at 7 retailers as of November 4, 2026, with prices from $298 to $964, a $666 spread on the same certified stone. MOH London lists it at $964. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7561570321
Dimensions4.90 × 4.92 × 3.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
4.90 mm4.92 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7561570321
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $964 USD|Low: $298 USD|High: $970 USD|Avg: $564 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$298 USD
Retailer 5$410 USD
Retailer 4$510 USD
Retailer 6$555 USD
Retailer 3$673 USD
MOH London$964 USD

25 data points across 6 retailers

7 retailers$298 USD to $964 USD

A
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$410 USD
View
A
Retailer 3
-
$435 USD
View
A
Retailer 4
-
$510 USD
View
B+
Retailer 5
-
$555 USD
View
B+
Retailer 6
-
$673 USD
View
Most Expensive
B
MOH London
B21830DFB · Nov 4
$964 USD
£759 GBP
View
6 more retailers have this diamond
Prices start from $298 USDSave up to $666 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.

A
0.45ct Round
$298 USD