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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565418236

Certificate GIA 6565418236

Diamond specifications and retailer prices

From $1,626 USD
HK$12,700 HKD
As of October 29, 2026
Save $2,985 USD (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,611 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565418236. Listed at 21 retailers as of October 27, 2026, with prices from $1,626 to $4,611, a $2,985 spread on the same certified stone. NZ Jewellers lists it at $4,611. 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

1.01
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565418236
Dimensions6.45 × 6.50 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Natural
Top View
6.45 mm6.50 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565418236
Side View
Table 60.0%Crown 31.5°Girdle: STK-STKPavilion 41.8°Culet: NoneDepth 60.7%

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 29
Current: $4,611 USD|Low: $1,626 USD|High: $4,611 USD|Avg: $2,484 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 4$1,626 USD
Retailer 11$1,993 USD
Retailer 21$2,035 USD
Retailer 13$2,050 USD
Retailer 14$2,093 USD
Retailer 15$2,134 USD
Retailer 6$2,206 USD
Retailer 8$2,206 USD
Retailer 5$2,220 USD
Retailer 7$2,278 USD
Retailer 20$2,307 USD
Retailer 16$2,392 USD
Retailer 3$2,402 USD
Retailer 19$2,527 USD
Retailer 9$2,545 USD
Retailer 12$2,579 USD
Retailer 17$2,686 USD
Retailer 10$2,712 USD
Retailer 2$2,750 USD
Retailer 18$3,870 USD
NZ Jewellers$4,611 USD

24 data points across 21 retailers

21 retailers$1,626 USD to $4,611 USD

A
Cheapest Retailer
-
$1,626 USD
HK$12,700 HKD
A
Retailer 2
-
$1,993 USD
View
A
Retailer 3
-
$2,035 USD
View
Final sale: no returns
A
Retailer 4
-
$2,050 USD
View
A
Retailer 5
-
$2,093 USD
View
A
Retailer 6
-
$2,134 USD
£1,680 GBP
View
A
Retailer 7
-
$2,206 USD
View
A
Retailer 8
-
$2,206 USD
View
A
Retailer 9
-
$2,220 USD
View
B+
Retailer 10
-
$2,278 USD
SGD 3,079 SGD
View
B+
Retailer 11
-
$2,307 USD
View
B+
Retailer 12
-
$2,392 USD
£1,883 GBP
View
B+
Retailer 13
-
$2,402 USD
View
B+
Retailer 14
-
$2,527 USD
£1,990 GBP
View
B+
Retailer 15
-
$2,545 USD
View
B+
Retailer 16
-
$2,579 USD
View
B+
Retailer 17
-
$2,686 USD
ZAR 43,389 ZAR
View
B+
Retailer 18
-
$2,712 USD
A$4,173 AUD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$2,750 USD
€2,619 EUR
View
B
Retailer 20
-
$3,870 USD
£3,047 GBP
View
Most Expensive
B
NZ Jewellers
3fd4f247-6b04-4e88-bd8a-592cb5ba4633 · Oct 27
$4,611 USD
View
20 more retailers have this diamond
Prices start from $1,626 USDSave up to $2,985 USD

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
1.01ct Round
$1,626 USD