CaratHunter
Plans
Round|Natural|GIA

1.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545380193

Certificate GIA 6545380193

Diamond specifications and retailer prices

From $4,441 SGD
As of November 5, 2026
Save $6,235 SGD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,676 SGD at NZ Jewellers · As of November 5, 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 November 5, 2026, with prices from $4,441 to $10,676, a $6,235 spread on the same certified stone. NZ Jewellers lists it at $10,676. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,676 SGD|Low: $4,441 SGD|High: $10,676 SGD|Avg: $6,470 SGD
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
November 6, 2026
Retailer 11$4,441 SGD
Retailer 9$4,723 SGD
Retailer 8$5,208 SGD
Retailer 5$5,344 SGD
Retailer 6$5,610 SGD
Retailer 12$5,994 SGD
Retailer 14$6,118 SGD
Retailer 3$6,127 SGD
Retailer 4$6,127 SGD
Retailer 2$6,128 SGD
Retailer 7$6,306 SGD
Retailer 10$6,850 SGD
Retailer 13$9,733 SGD
NZ Jewellers$10,676 SGD

28 data points across 14 retailers

16 retailers$4,441 SGD to $10,676 SGD

A
Cheapest Retailer
-
$4,441 SGD
A
Retailer 2
-
$4,723 SGD
View
Final sale: no returns
A
Retailer 3
-
$5,208 SGD
View
A
Retailer 4
-
$5,344 SGD
View
A
Retailer 5
-
$5,610 SGD
View
A
Retailer 6
-
$5,994 SGD
View
A
Retailer 7
-
$6,118 SGD
View
A
Retailer 8
-
$6,127 SGD
View
A
Retailer 9
-
$6,127 SGD
View
Retailer 10
-
$6,127 SGD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$6,128 SGD
View
A
Retailer 12
-
$6,306 SGD
View
A
Retailer 13
-
$6,449 SGD
View
A
Retailer 14
-
$6,850 SGD
View
B+
Retailer 15
-
$9,733 SGD
View
Most Expensive
B
NZ Jewellers
71afce18-8478-44f3-95ed-a6e1ce9ff6ec · Nov 5
$10,676 SGD
$8,358 USD
View
15 more retailers have this diamond
Prices start from $4,441 SGDSave up to $6,235 SGD

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
$4,441 SGD