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Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5553047733

Certificate GIA 5553047733

Diamond specifications and retailer prices

From $1,629 AUD
$1,144 USD
As of October 31, 2026
Save $1,939 AUD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,567 AUD at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553047733. Listed at 13 retailers as of October 31, 2026, with prices from $1,629 to $3,567, a $1,939 spread on the same certified stone. MOH London lists it at $3,567. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553047733
Dimensions5.91 × 5.87 × 3.58 mm
L/W Ratio1.01
Star length50%
Key to symbols
Crystal, Cloud, Feather
Top View
5.91 mm5.87 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553047733
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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 31
Current: $3,567 AUD|Low: $1,357 AUD|High: $3,611 AUD|Avg: $2,473 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$1,629 AUD
Retailer 8$1,979 AUD
Retailer 3$2,140 AUD
Retailer 2$2,455 AUD
Retailer 6$2,541 AUD
Retailer 7$2,668 AUD
Retailer 4$2,908 AUD
MOH London$3,567 AUD

44 data points across 8 retailers

13 retailers$1,629 AUD to $3,567 AUD

A
Cheapest Retailer
-
$1,629 AUD
$1,144 USD
Final sale: no returns
A
Retailer 2
-
$1,690 AUD
$1,187 USD
View
A
Retailer 3
-
$1,694 AUD
$1,190 USD
View
B+
Retailer 4
-
$1,979 AUD
$1,390 USD
View
B+
Retailer 5
-
$2,107 AUD
$1,480 USD
View
B+
Retailer 6
-
$2,107 AUD
$1,480 USD
View
B+
Retailer 7
-
$2,140 AUD
£1,184 GBP
View
B+
Retailer 8
-
$2,178 AUD
$1,530 USD
View
B+
Retailer 9
-
$2,455 AUD
£1,358 GBP
View
Retailer 10
-
$2,541 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$2,668 AUD
$1,874 USD
View
B
Retailer 12
-
$2,908 AUD
ZAR 33,001 ZAR
View
Most Expensive
B
MOH London
F2A1BE78D · Nov 1
$3,567 AUD
£1,973 GBP
View
12 more retailers have this diamond
Prices start from $1,629 AUDSave up to $1,939 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
$1,629 AUD