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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 €1,300 EUR
As of November 6, 2026
Save €510 EUR (28%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,809 EUR at GemTrove · As of November 6, 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 6, 2026, with prices from €1,300 to €1,809, a €510 spread on the same certified stone. GemTrove lists it at €1,809. 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 6
Current: €1,809 EUR|Low: €1,216 EUR|High: €1,809 EUR|Avg: €1,489 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4€1,300 EUR
Retailer 3€1,307 EUR
Retailer 5€1,318 EUR
Retailer 2€1,421 EUR
Retailer 6€1,479 EUR
GemTrove€1,809 EUR

41 data points across 6 retailers

6 retailers€1,300 EUR to €1,809 EUR

A
Cheapest Retailer
-
€1,300 EUR
Final sale: no returns
A
Retailer 2
-
€1,307 EUR
View
A
Retailer 3
-
€1,318 EUR
View
A
Retailer 4
-
€1,421 EUR
View
A
Retailer 5
-
€1,479 EUR
View
Most Expensive
B+
GemTrove
GT-N-01268754-98 · Nov 6
€1,809 EUR
A$3,108 AUD
View
5 more retailers have this diamond
Prices start from €1,300 EURSave up to €510 EUR

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
€1,300 EUR