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Round|Natural|GIA

0.75ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566172511

Certificate GIA 2566172511

Diamond specifications and retailer prices

From $1,528 AUD
$1,073 USD
As of October 30, 2026
Save $1,101 AUD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,628 AUD at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566172511. Listed at 16 retailers as of October 30, 2026, with prices from $1,528 to $2,628, a $1,101 spread on the same certified stone. Cape Diamonds lists it at $2,628. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566172511
Dimensions5.80 × 5.76 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.80 mm5.76 mm0.75 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566172511
Side View
Table 59.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.5%

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 30
Current: $2,628 AUD|Low: $1,263 AUD|High: $2,628 AUD|Avg: $1,949 AUD|+0.6%
Cape Diamonds
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 8$1,263 AUD
Retailer 7$1,295 AUD
Retailer 4$1,528 AUD
Retailer 10$1,530 AUD
Retailer 13$1,922 AUD
Retailer 14$1,922 AUD
Retailer 3$1,979 AUD
Retailer 9$1,998 AUD
Retailer 5$2,101 AUD
Retailer 12$2,161 AUD
Retailer 2$2,227 AUD
Retailer 16$2,245 AUD
Retailer 15$2,410 AUD
Retailer 11$2,431 AUD
Retailer 6$2,589 AUD
Cape Diamonds$2,628 AUD

32 data points across 16 retailers

16 retailers$1,528 AUD to $2,628 AUD

Retailer 1
-
$1,263 AUD
$887 USD
Price last confirmed 26 days ago
Retailer 2
-
$1,295 AUD
$910 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$1,528 AUD
$1,073 USD
View
B+
Retailer 4
-
$1,530 AUD
$1,075 USD
View
B
Retailer 5
-
$1,922 AUD
$1,350 USD
View
B
Retailer 6
-
$1,922 AUD
$1,350 USD
View
B+
Retailer 7
-
$1,979 AUD
$1,390 USD
View
B
Retailer 8
-
$1,998 AUD
£1,105 GBP
View
Retailer 9
-
$2,101 AUD
View
Price last confirmed 27 days ago
B
Retailer 10
-
$2,161 AUD
£1,195 GBP
View
B
Retailer 11
-
$2,227 AUD
€1,490 EUR
View
B
Retailer 12
-
$2,245 AUD
$1,577 USD
View
B
Retailer 13
-
$2,410 AUD
$1,693 USD
View
B
Retailer 14
-
$2,431 AUD
$1,708 USD
View
Retailer 15
-
$2,589 AUD
£1,432 GBP
View
Price last confirmed 26 days ago
Most Expensive
B
Cape Diamonds
cert_2566172511 · Oct 31
$2,628 AUD
ZAR 29,827 ZAR
View
15 more retailers have this diamond
Prices start from $1,528 AUDSave up to $1,101 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+
0.75ct Round
$1,528 AUD