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0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565524370

Certificate GIA 6565524370

Diamond specifications and retailer prices

From €1,099 EUR
$1,228 USD
As of October 31, 2026
Save €872 EUR (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,971 EUR at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 6565524370. Listed at 15 retailers as of October 30, 2026, with prices from €1,099 to €1,971, a €872 spread on the same certified stone. Helzberg Diamonds lists it at €1,971. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565524370
Dimensions5.85 × 5.89 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.85 mm5.89 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565524370
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: €1,971 EUR|Low: €1,099 EUR|High: €1,971 EUR|Avg: €1,410 EUR
Helzberg Diamonds
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 13€1,099 EUR
Retailer 9€1,114 EUR
Retailer 4€1,119 EUR
Retailer 12€1,164 EUR
Retailer 5€1,197 EUR
Retailer 7€1,241 EUR
Retailer 10€1,343 EUR
Retailer 2€1,379 EUR
Retailer 14€1,495 EUR
Retailer 6€1,549 EUR
Retailer 8€1,590 EUR
Retailer 11€1,676 EUR
Retailer 3€1,771 EUR
Helzberg Diamonds€1,971 EUR

14 data points across 14 retailers

15 retailers€1,099 EUR to €1,971 EUR

A
Cheapest Retailer
-
€1,099 EUR
$1,228 USD
A
Retailer 2
-
€1,114 EUR
$1,245 USD
View
A
Retailer 3
-
€1,119 EUR
$1,250 USD
View
A
Retailer 4
-
€1,164 EUR
$1,300 USD
View
A
Retailer 5
-
€1,176 EUR
SGD 1,775 SGD
View
B+
Retailer 6
-
€1,197 EUR
SGD 1,807 SGD
View
B+
Retailer 7
-
€1,241 EUR
£1,092 GBP
View
B+
Retailer 8
-
€1,343 EUR
$1,500 USD
View
B+
Retailer 9
-
€1,379 EUR
$1,541 USD
View
B+
Retailer 10
-
€1,495 EUR
£1,315 GBP
View
B
Retailer 11
-
€1,549 EUR
$1,731 USD
View
B
Retailer 12
-
€1,590 EUR
View
B+
Retailer 13
-
€1,676 EUR
$1,872 USD
View
B
Retailer 14
-
€1,771 EUR
$1,979 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLIKJNG · Oct 30
€1,971 EUR
$2,202 USD
View
14 more retailers have this diamond
Prices start from €1,099 EURSave up to €872 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
0.77ct Round
€1,099 EUR