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Round|Natural|GIA

0.77ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1557731682

Certificate GIA 1557731682

Diamond specifications and retailer prices

From $1,458 AUD
HK$8,000 HKD
As of October 31, 2026
Save $3,318 AUD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,776 AUD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557731682. Listed at 16 retailers as of October 30, 2026, with prices from $1,458 to $4,776, a $3,318 spread on the same certified stone. NZ Jewellers lists it at $4,776. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557731682
Dimensions5.85 × 5.84 × 3.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Twinning Wisp
Top View
5.85 mm5.84 mm0.77 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1557731682
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: $4,776 AUD|Low: $1,397 AUD|High: $4,776 AUD|Avg: $2,253 AUD
NZ Jewellers
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
October 31, 2026
Retailer 2$1,458 AUD
Retailer 9$1,462 AUD
Retailer 14$1,536 AUD
Retailer 10$1,711 AUD
Retailer 4$1,828 AUD
Retailer 6$1,957 AUD
Retailer 5$2,023 AUD
Retailer 12$2,049 AUD
Retailer 3$2,086 AUD
Retailer 7$2,086 AUD
Retailer 8$2,543 AUD
Retailer 13$2,555 AUD
Retailer 11$3,605 AUD
NZ Jewellers$4,776 AUD

33 data points across 14 retailers

16 retailers$1,458 AUD to $4,776 AUD

A
Cheapest Retailer
-
$1,458 AUD
HK$8,000 HKD
A
Retailer 2
-
$1,462 AUD
₹97,791 INR
View
A
Retailer 3
-
$1,536 AUD
$1,079 USD
View
Final sale: no returns
A
Retailer 4
-
$1,711 AUD
€1,145 EUR
View
A
Retailer 5
-
$1,828 AUD
$1,284 USD
View
A
Retailer 6
-
$1,957 AUD
$1,375 USD
View
A
Retailer 7
-
$2,023 AUD
SGD 1,920 SGD
View
A
Retailer 8
-
$2,049 AUD
$1,439 USD
View
A
Retailer 9
-
$2,086 AUD
$1,465 USD
View
A
Retailer 10
-
$2,086 AUD
$1,465 USD
View
A
Retailer 11
-
$2,358 AUD
View
B+
Retailer 12
-
$2,543 AUD
€1,701 EUR
View
Retailer 13
-
$2,555 AUD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
$2,715 AUD
$1,907 USD
View
B+
Retailer 15
-
$3,605 AUD
£1,994 GBP
View
Most Expensive
B
NZ Jewellers
a34cef43-ba54-4da7-b426-2156c24f0cfa · Oct 30
$4,776 AUD
$3,355 USD
View
15 more retailers have this diamond
Prices start from $1,458 AUDSave up to $3,318 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
$1,458 AUD