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Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566100127

Certificate GIA 2566100127

Diamond specifications and retailer prices

From $2,386 SGD
As of November 6, 2026
Save $4,310 SGD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,010 SGD at NZ Jewellers · As of September 28, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566100127. Listed at 21 retailers as of November 5, 2026, with a 181% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566100127
Dimensions6.35 × 6.40 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
6.35 mm6.40 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566100127
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 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 6
Current: $6,696 SGD|Low: $2,386 SGD|High: $6,868 SGD|Avg: $3,770 SGD|-2.5%
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
November 6, 2026
Retailer 2$2,386 SGD
Retailer 6$2,534 SGD
Retailer 14$2,828 SGD
Retailer 4$2,907 SGD
Retailer 8$3,174 SGD
Retailer 3$3,202 SGD
Retailer 9$3,368 SGD
Retailer 7$3,381 SGD
Retailer 12$3,410 SGD
Retailer 11$3,695 SGD
Retailer 10$3,731 SGD
Retailer 13$3,909 SGD
Retailer 5$5,624 SGD
NZ Jewellers$6,696 SGD

23 data points across 14 retailers

21 retailers$2,386 SGD to $6,696 SGD

A
Cheapest Retailer
-
$2,386 SGD
A
Retailer 2
-
$2,534 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,828 SGD
View
A
Retailer 4
-
$2,907 SGD
View
A
Retailer 5
-
$3,174 SGD
View
A
Retailer 6
-
$3,202 SGD
View
Retailer 7
-
$3,353 SGD
View
Price last confirmed 50 days ago
Retailer 8
-
$3,353 SGD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
$3,368 SGD
View
B+
Retailer 10
-
$3,381 SGD
View
B+
Retailer 11
-
$3,410 SGD
View
B+
Retailer 12
-
$3,695 SGD
View
B+
Retailer 13
-
$3,731 SGD
View
Retailer 14
-
$3,757 SGD
View
Price last confirmed 30 days ago
Retailer 15
-
$3,869 SGD
View
Price last confirmed 38 days ago
Retailer 16
-
$3,869 SGD
View
Price last confirmed 50 days ago
B+
Retailer 17
-
$3,909 SGD
View
B
Retailer 18
-
$5,624 SGD
View
B
Retailer 19
-
$6,696 SGD
View
Retailer 20
-
$7,010 SGD
View
Price last confirmed 49 days ago
Most Expensive
NZ Jewellers
431de488-9f46-45fd-8a26-4ecad8c084cf · Sep 28
$7,010 SGD
$5,488 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $2,386 SGDSave up to $4,310 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
$2,386 SGD