Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7532271285

Certificate GIA 7532271285

Diamond specifications and retailer prices

From $325 USD
As of November 6, 2026
Save $661 USD (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,676 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7532271285. Listed at 17 retailers as of November 4, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7532271285
Dimensions4.90 × 4.88 × 3.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
4.90 mm4.88 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 7532271285
Side View
Table 57.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,676 USD|Low: $322 USD|High: $1,765 USD|Avg: $610 USD|-5.0%
NZ Jewellers
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
Retailer 16
November 6, 2026
Retailer 2$325 USD
Retailer 14$384 USD
Retailer 3$390 USD
Retailer 12$395 USD
Retailer 5$437 USD
Retailer 13$462 USD
Retailer 4$465 USD
Retailer 6$471 USD
Retailer 8$471 USD
Retailer 7$505 USD
Retailer 9$523 USD
Retailer 10$566 USD
Retailer 11$640 USD
Retailer 16$715 USD
Retailer 15$986 USD
NZ Jewellers$1,676 USD

31 data points across 16 retailers

17 retailers$325 USD to $986 USD

A
Cheapest Retailer
-
$325 USD
A
Retailer 2
-
$384 USD
View
A
Retailer 3
-
$390 USD
View
A
Retailer 4
-
$395 USD
View
Final sale: no returns
Retailer 5
-
$437 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$462 USD
View
Retailer 7
-
$465 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$471 USD
View
Price last confirmed 22 days ago
Retailer 9
-
$471 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$505 USD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$523 USD
View
A
Retailer 12
-
$566 USD
View
A
Retailer 13
-
$640 USD
View
B+
Retailer 14
-
$715 USD
View
Retailer 15
-
$718 USD
View
Price last confirmed 34 days ago
B+
Retailer 16
-
$986 USD
View
Most Expensive
NZ Jewellers
11e03719-b926-41e1-a86b-f6791c972214 · Oct 23
$1,676 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $325 USDSave up to $661 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
$325 USD