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Round|Natural|GIA

0.80ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241042507

Certificate GIA 5241042507

Diamond specifications and retailer prices

From $1,930 AUD
$1,356 USD
As of November 2, 2026
Save $3,704 AUD (66%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,635 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241042507. Listed at 25 retailers as of October 30, 2026, with a 192% 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

0.80
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5241042507
Dimensions5.87 × 5.90 × 3.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.87 mm5.90 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241042507
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 2
Current: $2,912 AUD|Low: $1,770 AUD|High: $4,637 AUD|Avg: $2,844 AUD|-1.3%
Retailer 1
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
November 2, 2026
Retailer 3$1,930 AUD
Retailer 4$1,940 AUD
Retailer 14$2,093 AUD
Retailer 5$2,228 AUD
Retailer 2$2,392 AUD
Retailer 8$2,392 AUD
Retailer 7$2,463 AUD
Retailer 16$2,531 AUD
Retailer 9$2,552 AUD
Retailer 15$2,748 AUD
Retailer 1$2,912 AUD
Retailer 6$3,014 AUD
Retailer 10$3,142 AUD
Retailer 11$3,440 AUD
Retailer 12$4,068 AUD
Retailer 13$4,628 AUD

34 data points across 16 retailers

25 retailers$1,930 AUD to $5,635 AUD

A
Cheapest Retailer
-
$1,930 AUD
$1,356 USD
Final sale: no returns
A
Retailer 2
-
$1,940 AUD
$1,363 USD
View
Retailer 3
-
$2,093 AUD
$1,470 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$2,093 AUD
$1,470 USD
View
Retailer 5
-
$2,093 AUD
$1,470 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$2,189 AUD
$1,538 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$2,207 AUD
$1,550 USD
View
A
Retailer 8
-
$2,228 AUD
$1,565 USD
View
B+
Retailer 9
-
$2,392 AUD
$1,680 USD
View
B+
Retailer 10
-
$2,392 AUD
$1,680 USD
View
Retailer 11
-
$2,414 AUD
$1,696 USD
View
Price last confirmed 23 days ago
Retailer 12
-
$2,414 AUD
$1,696 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$2,414 AUD
$1,696 USD
View
B+
Retailer 14
-
$2,463 AUD
$1,730 USD
View
B+
Retailer 15
-
$2,531 AUD
$1,778 USD
View
B+
Retailer 16
-
$2,552 AUD
£1,412 GBP
View
B+
Retailer 17
-
$2,748 AUD
£1,520 GBP
View
B+
Retailer 18
-
$2,912 AUD
£1,611 GBP
View
Retailer 19
-
$3,014 AUD
View
Price last confirmed 27 days ago
B+
Retailer 20
-
$3,142 AUD
€2,102 EUR
View
B+
Retailer 21
-
$3,440 AUD
ZAR 39,042 ZAR
View
B
Retailer 22
-
$4,068 AUD
£2,250 GBP
View
B
Retailer 23
-
$4,628 AUD
£2,560 GBP
View
B
Retailer 24
-
$5,635 AUD
$3,958 USD
View
Most Expensive
NZ Jewellers
ce5de91c-3111-4bc3-9bfc-913d5b0b6936 · Oct 20
$5,635 AUD
$3,958 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from $1,930 AUDSave up to $3,704 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
0.80ct Round
$1,930 AUD