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Heart|Natural|GIA

1.05ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6551516191

Certificate GIA 6551516191

Diamond specifications and retailer prices

From $2,066 AUD
$1,451 USD
As of November 2, 2026
Save $810 AUD (28%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,876 AUD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.05ct natural heart diamond

This 1.05ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551516191. Listed at 6 retailers as of November 2, 2026, with prices from $2,066 to $2,876, a $810 spread on the same certified stone. GemTrove lists it at $2,876. 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

1.05
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551516191
Dimensions6.23 × 7.21 × 4.08 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Natural
Top View
6.23 mm7.21 mm1.05 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551516191
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

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: Nov 2
Current: $2,876 AUD|Low: $1,933 AUD|High: $2,876 AUD|Avg: $2,384 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$2,066 AUD
Retailer 4$2,096 AUD
Retailer 6$2,147 AUD
Retailer 2$2,282 AUD
Retailer 5$2,351 AUD
GemTrove$2,876 AUD

40 data points across 6 retailers

6 retailers$2,066 AUD to $2,876 AUD

A
Cheapest Retailer
-
$2,066 AUD
$1,451 USD
Final sale: no returns
A
Retailer 2
-
$2,096 AUD
$1,472 USD
View
A
Retailer 3
-
$2,147 AUD
MYR 6,143 MYR
View
A
Retailer 4
-
$2,282 AUD
£1,262 GBP
View
A
Retailer 5
-
$2,351 AUD
SGD 2,232 SGD
View
Most Expensive
B+
GemTrove
GT-N-01268754-98 · Nov 2
$2,876 AUD
View
5 more retailers have this diamond
Prices start from $2,066 AUDSave up to $810 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
1.05ct Heart
$2,066 AUD