Round|Natural|GIA

0.75ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565312984

Certificate GIA 1565312984

Diamond specifications and retailer prices

From $997 AUD
As of November 4, 2026
Save $274 AUD (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,271 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565312984. Listed at 6 retailers as of November 4, 2026, with prices from $997 to $1,271, a $274 spread on the same certified stone. Blue Nile lists it at $1,271. 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

0.75
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565312984
Dimensions5.81 × 5.76 × 3.63 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
5.81 mm5.76 mm0.75 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565312984
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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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 4
Current: $1,271 AUD|Low: $806 AUD|High: $1,310 AUD|Avg: $1,107 AUD|-3.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$997 AUD
Retailer 4$1,010 AUD
Retailer 6$1,102 AUD
Retailer 5$1,113 AUD
Retailer 2$1,172 AUD
Blue Nile$1,271 AUD

41 data points across 6 retailers

6 retailers$997 AUD to $1,271 AUD

A
Cheapest Retailer
-
$997 AUD
A
Retailer 2
-
$1,010 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,102 AUD
View
A
Retailer 4
-
$1,113 AUD
View
A
Retailer 5
-
$1,172 AUD
View
Most Expensive
B+
Blue Nile
30246563 · Nov 5
$1,271 AUD
$873 USD
View
5 more retailers have this diamond
Prices start from $997 AUDSave up to $274 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.

A
0.75ct Round
$997 AUD