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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1242067609

Certificate GIA 1242067609

Diamond specifications and retailer prices

From $1,958 USD
HK$15,300 HKD
As of October 31, 2026
Save $3,473 USD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,431 USD at NZ Jewellers · As of October 30, 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 1242067609. Listed at 21 retailers as of October 30, 2026, with prices from $1,958 to $5,431, a $3,473 spread on the same certified stone. NZ Jewellers lists it at $5,431. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1242067609
Dimensions6.32 × 6.36 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.32 mm6.36 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242067609
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: Very SmallDepth 62.8%

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: $5,431 USD|Low: $1,946 USD|High: $5,431 USD|Avg: $2,921 USD|+0.9%
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
October 31, 2026
Retailer 13$1,958 USD
Retailer 8$2,082 USD
Retailer 2$2,162 USD
Retailer 7$2,244 USD
Retailer 17$2,245 USD
Retailer 9$2,278 USD
Retailer 20$2,350 USD
Retailer 5$2,360 USD
Retailer 10$2,446 USD
Retailer 16$2,507 USD
Retailer 15$2,517 USD
Retailer 4$2,592 USD
Retailer 18$2,669 USD
Retailer 12$2,881 USD
Retailer 11$3,087 USD
Retailer 14$3,193 USD
Retailer 3$3,790 USD
Retailer 6$3,909 USD
Retailer 19$4,576 USD
NZ Jewellers$5,431 USD

25 data points across 20 retailers

21 retailers$1,958 USD to $5,431 USD

A
Cheapest Retailer
-
$1,958 USD
HK$15,300 HKD
Retailer 2
-
$2,070 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$2,082 USD
View
A
Retailer 4
-
$2,162 USD
View
Final sale: no returns
A
Retailer 5
-
$2,244 USD
View
A
Retailer 6
-
$2,245 USD
€2,138 EUR
View
A
Retailer 7
-
$2,278 USD
View
A
Retailer 8
-
$2,350 USD
View
B+
Retailer 9
-
$2,360 USD
View
B+
Retailer 10
-
$2,446 USD
View
B+
Retailer 11
-
$2,507 USD
£1,974 GBP
View
B+
Retailer 12
-
$2,517 USD
£1,982 GBP
View
B+
Retailer 13
-
$2,592 USD
View
Retailer 14
-
$2,595 USD
SGD 3,507 SGD
View
Price last confirmed 16 days ago
B+
Retailer 15
-
$2,669 USD
View
Retailer 16
-
$2,881 USD
A$4,432 AUD
View
Price last confirmed 24 days ago
B
Retailer 17
-
$3,193 USD
ZAR 51,588 ZAR
View
B
Retailer 18
-
$3,790 USD
View
B
Retailer 19
-
$3,909 USD
View
B
Retailer 20
-
$4,576 USD
£3,603 GBP
View
Most Expensive
B
NZ Jewellers
36d5ead4-4ed7-4e5e-9781-9fbe99c4c602 · Oct 30
$5,431 USD
View
20 more retailers have this diamond
Prices start from $1,958 USDSave up to $3,473 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
$1,958 USD