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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 $2,078 SGD
HK$12,700 HKD
As of October 30, 2026
Save $3,817 SGD (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,895 SGD 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 $2,078 to $5,895, a $3,817 spread on the same certified stone. NZ Jewellers lists it at $5,895. 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
Colour
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 30
Current: $5,895 SGD|Low: $2,078 SGD|High: $5,895 SGD|Avg: $3,175 SGD
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$2,078 SGD
Retailer 11$2,548 SGD
Retailer 21$2,602 SGD
Retailer 13$2,621 SGD
Retailer 14$2,676 SGD
Retailer 15$2,728 SGD
Retailer 6$2,820 SGD
Retailer 8$2,820 SGD
Retailer 5$2,838 SGD
Retailer 7$2,913 SGD
Retailer 20$2,949 SGD
Retailer 16$3,058 SGD
Retailer 3$3,071 SGD
Retailer 19$3,231 SGD
Retailer 9$3,254 SGD
Retailer 12$3,297 SGD
Retailer 17$3,434 SGD
Retailer 10$3,468 SGD
Retailer 2$3,516 SGD
Retailer 18$4,947 SGD
NZ Jewellers$5,895 SGD

24 data points across 21 retailers

21 retailers$2,078 SGD to $5,895 SGD

A
Cheapest Retailer
-
$2,078 SGD
HK$12,700 HKD
A
Retailer 2
-
$2,548 SGD
$1,993 USD
View
A
Retailer 3
-
$2,602 SGD
$2,035 USD
View
Final sale: no returns
A
Retailer 4
-
$2,621 SGD
$2,050 USD
View
A
Retailer 5
-
$2,676 SGD
$2,093 USD
View
A
Retailer 6
-
$2,728 SGD
£1,680 GBP
View
A
Retailer 7
-
$2,820 SGD
$2,206 USD
View
Retailer 8
-
$2,820 SGD
$2,206 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,838 SGD
$2,220 USD
View
B+
Retailer 10
-
$2,913 SGD
View
Retailer 11
-
$2,949 SGD
$2,307 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$3,058 SGD
£1,883 GBP
View
B+
Retailer 13
-
$3,071 SGD
$2,402 USD
View
B+
Retailer 14
-
$3,231 SGD
£1,990 GBP
View
B+
Retailer 15
-
$3,254 SGD
$2,545 USD
View
B+
Retailer 16
-
$3,297 SGD
$2,579 USD
View
B+
Retailer 17
-
$3,434 SGD
ZAR 43,389 ZAR
View
Retailer 18
-
$3,468 SGD
A$4,173 AUD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$3,516 SGD
€2,619 EUR
View
B
Retailer 20
-
$4,947 SGD
£3,047 GBP
View
Most Expensive
B
NZ Jewellers
3fd4f247-6b04-4e88-bd8a-592cb5ba4633 · Oct 27
$5,895 SGD
$4,611 USD
View
20 more retailers have this diamond
Prices start from $2,078 SGDSave up to $3,817 SGD

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
$2,078 SGD