Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1242067609

Certificate GIA 1242067609

Diamond specifications and retailer prices

From $2,487 SGD
HK$15,200 HKD
As of November 1, 2026
Save $4,456 SGD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,943 SGD 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 $2,487 to $6,943, a $4,456 spread on the same certified stone. NZ Jewellers lists it at $6,943. 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
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: Nov 1
Current: $6,943 SGD|Low: $2,487 SGD|High: $6,943 SGD|Avg: $3,686 SGD|+1.9%
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
November 1, 2026
Retailer 2$2,487 SGD
Retailer 9$2,662 SGD
Retailer 19$2,764 SGD
Retailer 17$2,850 SGD
Retailer 8$2,869 SGD
Retailer 10$2,912 SGD
Retailer 4$3,004 SGD
Retailer 6$3,017 SGD
Retailer 14$3,114 SGD
Retailer 18$3,176 SGD
Retailer 15$3,181 SGD
Retailer 5$3,314 SGD
Retailer 3$3,412 SGD
Retailer 12$3,683 SGD
Retailer 11$3,946 SGD
Retailer 20$4,082 SGD
Retailer 13$4,820 SGD
Retailer 7$4,997 SGD
Retailer 16$5,793 SGD
NZ Jewellers$6,943 SGD

24 data points across 20 retailers

21 retailers$2,487 SGD to $6,943 SGD

A
Cheapest Retailer
-
$2,487 SGD
HK$15,200 HKD
Retailer 2
-
$2,646 SGD
$2,070 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$2,662 SGD
$2,082 USD
View
A
Retailer 4
-
$2,764 SGD
$2,162 USD
View
Final sale: no returns
A
Retailer 5
-
$2,850 SGD
€2,123 EUR
View
A
Retailer 6
-
$2,869 SGD
$2,244 USD
View
A
Retailer 7
-
$2,912 SGD
$2,278 USD
View
A
Retailer 8
-
$3,004 SGD
$2,350 USD
View
B+
Retailer 9
-
$3,017 SGD
$2,360 USD
View
B+
Retailer 10
-
$3,114 SGD
$2,436 USD
View
B+
Retailer 11
-
$3,176 SGD
£1,956 GBP
View
B+
Retailer 12
-
$3,181 SGD
£1,959 GBP
View
B+
Retailer 13
-
$3,314 SGD
$2,592 USD
View
Retailer 14
-
$3,318 SGD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
$3,412 SGD
$2,669 USD
View
Retailer 16
-
$3,683 SGD
A$4,432 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$4,082 SGD
ZAR 51,588 ZAR
View
B
Retailer 18
-
$4,820 SGD
$3,770 USD
View
B
Retailer 19
-
$4,997 SGD
$3,909 USD
View
B
Retailer 20
-
$5,793 SGD
£3,568 GBP
View
Most Expensive
B
NZ Jewellers
36d5ead4-4ed7-4e5e-9781-9fbe99c4c602 · Oct 30
$6,943 SGD
$5,431 USD
View
20 more retailers have this diamond
Prices start from $2,487 SGDSave up to $4,456 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
$2,487 SGD