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Round|Natural|GIA

0.80ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7551135338

Certificate GIA 7551135338

Diamond specifications and retailer prices

From $1,791 AUD
As of November 4, 2026
Save $4,006 AUD (69%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,797 AUD at NZ Jewellers · As of November 2, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551135338. Listed at 23 retailers as of November 2, 2026, with prices from $1,791 to $5,797, a $4,006 spread on the same certified stone. NZ Jewellers lists it at $5,797. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551135338
Dimensions5.84 × 5.89 × 3.68 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
5.84 mm5.89 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551135338
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°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 4
Current: $2,187 AUD|Low: $1,791 AUD|High: $4,203 AUD|Avg: $2,815 AUD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$1,791 AUD
Retailer 3$1,801 AUD
Retailer 1$2,187 AUD
Retailer 2$2,193 AUD
Retailer 4$2,647 AUD
Retailer 10$2,757 AUD
Retailer 6$2,996 AUD
Retailer 5$3,066 AUD
Retailer 9$3,538 AUD
Retailer 7$4,163 AUD

29 data points across 10 retailers

23 retailers$1,791 AUD to $5,797 AUD

A
Cheapest Retailer
-
$1,791 AUD
A
Retailer 2
-
$1,801 AUD
View
A
Retailer 3
-
$2,187 AUD
View
A
Retailer 4
-
$2,193 AUD
View
Final sale: no returns
A
Retailer 5
-
$2,203 AUD
View
Retailer 6
-
$2,377 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,377 AUD
View
A
Retailer 8
-
$2,478 AUD
View
A
Retailer 9
-
$2,486 AUD
View
Retailer 10
-
$2,496 AUD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$2,534 AUD
View
A
Retailer 12
-
$2,571 AUD
View
A
Retailer 13
-
$2,647 AUD
View
B+
Retailer 14
-
$2,743 AUD
View
B+
Retailer 15
-
$2,757 AUD
View
B+
Retailer 16
-
$2,996 AUD
View
B+
Retailer 17
-
$3,066 AUD
View
Retailer 18
-
$3,100 AUD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$3,370 AUD
View
B+
Retailer 20
-
$3,464 AUD
View
B+
Retailer 21
-
$3,538 AUD
View
B+
Retailer 22
-
$4,163 AUD
View
Most Expensive
B
NZ Jewellers
b64a0694-3a8a-4761-b35f-fde7d99b16e3 · Nov 2
$5,797 AUD
$4,058 USD
View
22 more retailers have this diamond
Prices start from $1,791 AUDSave up to $4,006 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
$1,791 AUD