Round|Natural|GIA

0.45ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6421987879

Certificate GIA 6421987879

Diamond specifications and retailer prices

From $1,088 AUD
$764 USD
As of October 28, 2026
Save $964 AUD (47%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,669 AUD at Flawless Fine Jewelry · As of October 8, 2026
View at Flawless Fine Jewelry

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6421987879. Listed at 21 retailers as of October 28, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6421987879
Dimensions4.90 × 4.85 × 3.03 mm
L/W Ratio1.01
Top View
4.90 mm4.85 mm0.45 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421987879
Side View
Table 57.0%Crown 36°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,669 AUD|Low: $1,063 AUD|High: $2,669 AUD|Avg: $1,686 AUD|+2.5%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$1,088 AUD
Retailer 7$1,157 AUD
Retailer 5$1,351 AUD
Retailer 4$1,409 AUD
Retailer 10$1,409 AUD
Retailer 3$1,438 AUD
Retailer 11$1,466 AUD
Retailer 15$1,654 AUD
Retailer 8$1,695 AUD
Retailer 2$1,720 AUD
Retailer 6$1,781 AUD
Retailer 14$2,000 AUD
Retailer 13$2,067 AUD
Retailer 12$2,459 AUD
Flawless Fine Jewelry$2,669 AUD

40 data points across 15 retailers

21 retailers$1,088 AUD to $2,052 AUD

B+
Cheapest Retailer
-
$1,088 AUD
$764 USD
Retailer 2
-
$1,102 AUD
$774 USD
View
Price last confirmed 95 days ago
B+
Retailer 3
-
$1,157 AUD
$813 USD
View
Retailer 4
-
$1,204 AUD
$846 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$1,204 AUD
$846 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$1,251 AUD
$879 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$1,351 AUD
$949 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$1,391 AUD
$977 USD
View
Price last confirmed 31 days ago
B
Retailer 9
-
$1,409 AUD
$990 USD
View
B
Retailer 10
-
$1,409 AUD
$990 USD
View
B
Retailer 11
-
$1,466 AUD
$1,030 USD
View
Retailer 12
-
$1,654 AUD
£915 GBP
View
Price last confirmed 22 days ago
B
Retailer 13
-
$1,695 AUD
€1,134 EUR
View
B
Retailer 14
-
$1,720 AUD
£951 GBP
View
Retailer 15
-
$1,781 AUD
$1,251 USD
View
Price last confirmed 22 days ago
Retailer 16
-
$2,000 AUD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$2,052 AUD
CA$2,002 CAD
View
Retailer 18
-
$2,067 AUD
ZAR 23,453 ZAR
View
Price last confirmed 26 days ago
Retailer 19
-
$2,459 AUD
£1,360 GBP
View
Price last confirmed 22 days ago
Most Expensive
Flawless Fine Jewelry
C6433724A · Oct 8
$2,669 AUD
£1,476 GBP
View
Price last confirmed 22 days ago
19 more retailers have this diamond
Prices start from $1,088 AUDSave up to $964 AUD

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
$1,088 AUD