Round|Natural|GIA

0.77ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1558526165

Certificate GIA 1558526165

Diamond specifications and retailer prices

From $843 AUD
As of November 5, 2026
Save $716 AUD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,559 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558526165. Listed at 8 retailers as of November 5, 2026, with prices from $843 to $1,559, a $716 spread on the same certified stone. Frank Darling lists it at $1,559. 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

0.77
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1558526165
Dimensions5.82 × 3.65 × 3.65 mm
L/W Ratio1.59
Culet sizeNone
Top View
5.82 mm3.65 mm0.77 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558526165
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°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: Nov 5
Current: $1,559 AUD|Low: $837 AUD|High: $1,656 AUD|Avg: $1,310 AUD|-5.9%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$843 AUD
Retailer 6$956 AUD
Retailer 8$1,089 AUD
Retailer 5$1,243 AUD
Retailer 4$1,297 AUD
Retailer 2$1,323 AUD
Retailer 7$1,448 AUD
Frank Darling$1,559 AUD
Retailer 9$1,640 AUD

31 data points across 9 retailers

8 retailers$843 AUD to $1,559 AUD

A
Cheapest Retailer
-
$843 AUD
A
Retailer 2
-
$956 AUD
View
A
Retailer 3
-
$1,241 AUD
View
A
Retailer 4
-
$1,243 AUD
View
A
Retailer 5
-
$1,297 AUD
View
A
Retailer 6
-
$1,323 AUD
View
A
Retailer 7
-
$1,448 AUD
View
Most Expensive
A
Frank Darling
2654723HK · Nov 6
$1,559 AUD
$1,091 USD
View
7 more retailers have this diamond
Prices start from $843 AUDSave up to $716 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
0.77ct Round
$843 AUD