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Round|Natural|GIA

1.13ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2564403311

Certificate GIA 2564403311

Diamond specifications and retailer prices

From $3,976 SGD
HK$24,300 HKD
As of October 28, 2026
Save $5,171 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,516 SGD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564403311. Listed at 17 retailers as of October 26, 2026, with a 130% 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

1.13
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564403311
Dimensions6.66 × 6.62 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.66 mm6.62 mm1.13 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564403311
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $9,516 SGD|Low: $3,976 SGD|High: $9,977 SGD|Avg: $5,904 SGD|-4.6%
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
October 27, 2026
Retailer 7$3,976 SGD
Retailer 14$4,347 SGD
Retailer 2$4,586 SGD
Retailer 5$4,806 SGD
Retailer 15$5,041 SGD
Retailer 6$5,056 SGD
Retailer 11$5,098 SGD
Retailer 4$5,138 SGD
Retailer 12$5,184 SGD
Retailer 9$5,272 SGD
Retailer 8$5,319 SGD
Retailer 16$5,612 SGD
Retailer 10$6,651 SGD
Retailer 3$8,200 SGD
Retailer 13$9,147 SGD
NZ Jewellers$9,516 SGD

12 data points across 16 retailers

17 retailers$3,976 SGD to $9,147 SGD

A
Cheapest Retailer
-
$3,976 SGD
HK$24,300 HKD
Retailer 2
-
$4,347 SGD
$3,400 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$4,586 SGD
€3,416 EUR
View
Price last confirmed 5 days ago
B+
Retailer 4
-
$4,701 SGD
A$5,657 AUD
View
B+
Retailer 5
-
$4,806 SGD
$3,759 USD
View
Retailer 6
-
$4,846 SGD
$3,791 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$5,056 SGD
View
B+
Retailer 8
-
$5,098 SGD
£3,140 GBP
View
Retailer 9
-
$5,138 SGD
$4,019 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$5,184 SGD
$4,055 USD
View
B+
Retailer 11
-
$5,272 SGD
£3,247 GBP
View
B+
Retailer 12
-
$5,319 SGD
$4,161 USD
View
B+
Retailer 13
-
$5,612 SGD
$4,390 USD
View
B+
Retailer 14
-
$6,651 SGD
ZAR 84,051 ZAR
View
B
Retailer 15
-
$8,200 SGD
$6,414 USD
View
B
Retailer 16
-
$9,147 SGD
£5,634 GBP
View
Most Expensive
NZ Jewellers
a990424f-92d5-4566-aed8-a84b52e7f012 · Oct 23
$9,516 SGD
$7,444 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $3,976 SGDSave up to $5,171 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
1.13ct Round
$3,976 SGD