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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1543229917

Certificate GIA 1543229917

Diamond specifications and retailer prices

From $1,869 USD
HK$14,600 HKD
As of November 1, 2026
Save $2,443 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,383 USD at NZ Jewellers · As of October 3, 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 1543229917. Listed at 20 retailers as of November 1, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543229917
Dimensions6.42 × 6.46 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
6.42 mm6.46 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543229917
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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 1
Current: $2,614 USD|Low: $1,843 USD|High: $4,464 USD|Avg: $2,644 USD|-1.4%
Retailer 1
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
November 3, 2026
Retailer 10$1,869 USD
Retailer 7$1,885 USD
Retailer 13$2,224 USD
Retailer 2$2,241 USD
Retailer 4$2,272 USD
Retailer 14$2,445 USD
Retailer 6$2,595 USD
Retailer 12$2,601 USD
Retailer 1$2,614 USD
Retailer 3$2,819 USD
Retailer 5$2,843 USD
Retailer 8$2,927 USD
Retailer 11$3,025 USD
Retailer 9$4,312 USD

26 data points across 14 retailers

20 retailers$1,869 USD to $4,312 USD

A
Cheapest Retailer
-
$1,869 USD
HK$14,600 HKD
A
Retailer 2
-
$1,885 USD
₹179,514 INR
View
A
Retailer 3
-
$2,224 USD
View
A
Retailer 4
-
$2,241 USD
View
A
Retailer 5
-
$2,272 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,445 USD
View
Retailer 7
-
$2,575 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$2,595 USD
SGD 3,507 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,601 USD
View
B+
Retailer 10
-
$2,612 USD
A$4,018 AUD
View
B+
Retailer 11
-
$2,614 USD
£2,059 GBP
View
Retailer 12
-
$2,713 USD
View
Price last confirmed 34 days ago
B+
Retailer 13
-
$2,819 USD
£2,220 GBP
View
Retailer 14
-
$2,832 USD
A$4,357 AUD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$2,843 USD
View
B+
Retailer 16
-
$2,927 USD
€2,788 EUR
View
Retailer 17
-
$2,971 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$3,025 USD
ZAR 48,872 ZAR
View
B
Retailer 19
-
$4,312 USD
£3,395 GBP
View
Most Expensive
NZ Jewellers
fa8283ff-59db-4942-a756-3b2d43e224a5 · Oct 3
$5,383 USD
View
Price last confirmed 31 days ago
19 more retailers have this diamond
Prices start from $1,869 USDSave up to $2,443 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
$1,869 USD