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Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7511864550

Certificate GIA 7511864550

Diamond specifications and retailer prices

From $2,893 SGD
As of November 6, 2026
Save $3,398 SGD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,885 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7511864550. Listed at 23 retailers as of November 4, 2026, with a 117% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7511864550
Dimensions6.39 × 6.34 × 4.03 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.39 mm6.34 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7511864550
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.4%

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: $3,012 SGD|Low: $2,893 SGD|High: $6,561 SGD|Avg: $4,403 SGD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,893 SGD
Retailer 1$3,012 SGD
Retailer 6$3,381 SGD
Retailer 10$3,481 SGD
Retailer 3$3,969 SGD
Retailer 2$4,241 SGD
Retailer 4$4,382 SGD
Retailer 5$4,603 SGD
Retailer 7$6,291 SGD
Retailer 9$6,537 SGD

33 data points across 10 retailers

23 retailers$2,893 SGD to $6,291 SGD

A
Cheapest Retailer
-
$2,893 SGD
A
Retailer 2
-
$3,012 SGD
View
A
Retailer 3
-
$3,381 SGD
View
A
Retailer 4
-
$3,446 SGD
View
B+
Retailer 5
-
$3,464 SGD
View
B+
Retailer 6
-
$3,481 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,590 SGD
View
B+
Retailer 8
-
$3,596 SGD
View
Retailer 9
-
$3,772 SGD
View
Price last confirmed 39 days ago
Retailer 10
-
$3,772 SGD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$3,832 SGD
View
Retailer 12
-
$3,916 SGD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$3,953 SGD
View
B+
Retailer 14
-
$3,969 SGD
View
B+
Retailer 15
-
$4,032 SGD
View
Retailer 16
-
$4,241 SGD
View
Price last confirmed 33 days ago
Retailer 17
-
$4,352 SGD
View
Price last confirmed 38 days ago
B+
Retailer 18
-
$4,382 SGD
View
B+
Retailer 19
-
$4,603 SGD
View
B
Retailer 20
-
$6,291 SGD
View
Retailer 21
-
$6,537 SGD
View
Price last confirmed 9 days ago
Retailer 22
-
$7,885 SGD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
bba53418-5708-4b60-9236-5dec0becb36a · Sep 28
$7,885 SGD
$6,173 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from $2,893 SGDSave up to $3,398 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
$2,893 SGD