Round|Natural|GIA

1.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545380193

Certificate GIA 6545380193

Diamond specifications and retailer prices

From $3,607 USD
₹343,550 INR
As of October 31, 2026
Save $4,751 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,358 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.45ct natural round diamond

This 1.45ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545380193. Listed at 16 retailers as of October 30, 2026, with prices from $3,607 to $8,358, a $4,751 spread on the same certified stone. NZ Jewellers lists it at $8,358. 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

1.45
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545380193
Dimensions7.22 × 7.25 × 4.50 mm
L/W Ratio1.00
Top View
7.22 mm7.25 mm1.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545380193
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: Oct 31
Current: $8,358 USD|Low: $3,598 USD|High: $8,488 USD|Avg: $5,049 USD|-1.5%
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
October 31, 2026
Retailer 2$3,607 USD
Retailer 5$3,818 USD
Retailer 3$4,184 USD
Retailer 10$4,247 USD
Retailer 6$4,392 USD
Retailer 11$4,740 USD
Retailer 13$4,790 USD
Retailer 8$4,797 USD
Retailer 14$4,797 USD
Retailer 15$4,797 USD
Retailer 4$4,948 USD
Retailer 7$5,049 USD
Retailer 9$5,123 USD
Retailer 16$5,535 USD
Retailer 12$7,682 USD
NZ Jewellers$8,358 USD

25 data points across 16 retailers

16 retailers$3,607 USD to $8,358 USD

A
Cheapest Retailer
-
$3,607 USD
₹343,550 INR
A
Retailer 2
-
$3,818 USD
View
Final sale: no returns
A
Retailer 3
-
$4,184 USD
View
A
Retailer 4
-
$4,247 USD
£3,344 GBP
View
A
Retailer 5
-
$4,392 USD
View
A
Retailer 6
-
$4,740 USD
£3,732 GBP
View
A
Retailer 7
-
$4,790 USD
View
A
Retailer 8
-
$4,797 USD
View
A
Retailer 9
-
$4,797 USD
View
A
Retailer 10
-
$4,797 USD
View
A
Retailer 11
-
$4,948 USD
View
A
Retailer 12
-
$5,049 USD
View
A
Retailer 13
-
$5,123 USD
€4,879 EUR
View
A
Retailer 14
-
$5,535 USD
View
B+
Retailer 15
-
$7,682 USD
£6,049 GBP
View
Most Expensive
B+
NZ Jewellers
71afce18-8478-44f3-95ed-a6e1ce9ff6ec · Oct 30
$8,358 USD
View
15 more retailers have this diamond
Prices start from $3,607 USDSave up to $4,751 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
1.45ct Round
$3,607 USD