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Round|Natural|GIA

0.75ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6243082520

Certificate GIA 6243082520

Diamond specifications and retailer prices

From $1,166 AUD
HK$6,400 HKD
As of October 27, 2026
Save $1,833 AUD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,108 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243082520. Listed at 18 retailers as of October 26, 2026, with a 157% 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

0.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6243082520
Dimensions5.82 × 5.81 × 3.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.82 mm5.81 mm0.75 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6243082520
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: Oct 27
Current: $4,108 AUD|Low: $1,166 AUD|High: $4,203 AUD|Avg: $2,006 AUD|-2.3%
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
Retailer 17
October 28, 2026
Retailer 17$1,166 AUD
Retailer 9$1,366 AUD
Retailer 11$1,501 AUD
Retailer 6$1,509 AUD
Retailer 5$1,566 AUD
Retailer 12$1,570 AUD
Retailer 8$1,580 AUD
Retailer 10$1,597 AUD
Retailer 3$1,638 AUD
Retailer 13$1,801 AUD
Retailer 16$1,855 AUD
Retailer 2$2,073 AUD
Retailer 7$2,290 AUD
Retailer 14$2,410 AUD
Retailer 15$2,436 AUD
Retailer 4$2,999 AUD
NZ Jewellers$4,108 AUD

19 data points across 17 retailers

18 retailers$1,166 AUD to $2,999 AUD

A
Cheapest Retailer
-
$1,166 AUD
HK$6,400 HKD
A
Retailer 2
-
$1,366 AUD
$960 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,501 AUD
€1,004 EUR
View
A
Retailer 4
-
$1,509 AUD
$1,060 USD
View
Final sale: no returns
A
Retailer 5
-
$1,543 AUD
$1,084 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,566 AUD
$1,100 USD
View
A
Retailer 7
-
$1,570 AUD
$1,103 USD
View
A
Retailer 8
-
$1,580 AUD
$1,110 USD
View
A
Retailer 9
-
$1,597 AUD
£884 GBP
View
A
Retailer 10
-
$1,638 AUD
SGD 1,555 SGD
View
A
Retailer 11
-
$1,801 AUD
$1,265 USD
View
A
Retailer 12
-
$1,855 AUD
$1,303 USD
View
A
Retailer 13
-
$2,073 AUD
£1,147 GBP
View
A
Retailer 14
-
$2,290 AUD
€1,532 EUR
View
A
Retailer 15
-
$2,410 AUD
$1,693 USD
View
A
Retailer 16
-
$2,436 AUD
ZAR 27,649 ZAR
View
B+
Retailer 17
-
$2,999 AUD
£1,659 GBP
View
Most Expensive
B
NZ Jewellers
cd4ccc0d-2895-45d0-a8f0-dfd270c5384e · Oct 20
$4,108 AUD
$2,886 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $1,166 AUDSave up to $1,833 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
$1,166 AUD