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Round|Natural|GIA

0.77ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6481976191

Certificate GIA 6481976191

Diamond specifications and retailer prices

From $1,610 AUD
As of November 6, 2026
Save $3,714 AUD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,843 AUD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481976191. Listed at 18 retailers as of November 5, 2026, with a 231% 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

0.77
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6481976191
Dimensions5.97 × 5.95 × 3.54 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.97 mm5.95 mm0.77 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6481976191
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.4%

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 6
Current: $1,610 AUD|Low: $1,610 AUD|High: $4,247 AUD|Avg: $2,381 AUD|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$1,610 AUD
Retailer 6$1,978 AUD
Retailer 8$2,014 AUD
Retailer 9$2,023 AUD
Retailer 10$2,173 AUD
Retailer 7$2,183 AUD
Retailer 2$2,376 AUD
Retailer 4$2,397 AUD
Retailer 3$2,817 AUD
Retailer 5$3,813 AUD

39 data points across 10 retailers

18 retailers$1,610 AUD to $5,324 AUD

A
Cheapest Retailer
-
$1,610 AUD
A
Retailer 2
-
$1,901 AUD
View
A
Retailer 3
-
$1,978 AUD
View
A
Retailer 4
-
$2,014 AUD
View
Final sale: no returns
A
Retailer 5
-
$2,023 AUD
View
A
Retailer 6
-
$2,173 AUD
View
Retailer 7
-
$2,183 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,183 AUD
View
A
Retailer 9
-
$2,376 AUD
View
Retailer 10
-
$2,396 AUD
View
Price last confirmed 29 days ago
A
Retailer 11
-
$2,397 AUD
View
Retailer 12
-
$2,506 AUD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$2,518 AUD
View
Retailer 14
-
$2,764 AUD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
$2,817 AUD
View
B+
Retailer 16
-
$3,813 AUD
View
B
Retailer 17
-
$5,324 AUD
View
Most Expensive
NZ Jewellers
cac2c5b9-697e-4bce-b748-a8cda9747daa · Sep 26
$5,843 AUD
$4,090 USD
View
Price last confirmed 40 days ago
17 more retailers have this diamond
Prices start from $1,610 AUDSave up to $3,714 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
$1,610 AUD