Round|Natural|GIA

1.13ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1488458889

Certificate GIA 1488458889

Diamond specifications and retailer prices

From $5,327 SGD
$4,167 USD
As of November 1, 2026
Save $5,952 SGD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,279 SGD at NZ Jewellers · As of October 30, 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 1488458889. Listed at 21 retailers as of October 30, 2026, with prices from $5,327 to $11,279, a $5,952 spread on the same certified stone. NZ Jewellers lists it at $11,279. 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 angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1488458889
Dimensions6.74 × 6.73 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
6.74 mm6.73 mm1.13 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1488458889
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,279 SGD|Low: $5,327 SGD|High: $11,774 SGD|Avg: $7,530 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
November 2, 2026
Retailer 4$5,327 SGD
Retailer 6$5,328 SGD
Retailer 5$5,372 SGD
Retailer 18$5,465 SGD
Retailer 17$5,759 SGD
Retailer 3$6,109 SGD
Retailer 8$6,109 SGD
Retailer 16$6,109 SGD
Retailer 14$6,214 SGD
Retailer 2$6,688 SGD
Retailer 9$7,049 SGD
Retailer 11$7,173 SGD
Retailer 15$7,443 SGD
Retailer 10$7,847 SGD
Retailer 13$8,289 SGD
Retailer 7$9,763 SGD
Retailer 12$10,742 SGD
NZ Jewellers$11,279 SGD

43 data points across 18 retailers

21 retailers$5,327 SGD to $11,279 SGD

B+
Cheapest Retailer
-
$5,327 SGD
$4,167 USD
B+
Retailer 2
-
$5,328 SGD
$4,168 USD
View
B+
Retailer 3
-
$5,372 SGD
$4,202 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,465 SGD
$4,275 USD
View
B+
Retailer 5
-
$5,759 SGD
$4,505 USD
View
B+
Retailer 6
-
$6,109 SGD
$4,779 USD
View
B+
Retailer 7
-
$6,109 SGD
$4,779 USD
View
B+
Retailer 8
-
$6,109 SGD
$4,779 USD
View
B+
Retailer 9
-
$6,214 SGD
$4,861 USD
View
Retailer 10
-
$6,214 SGD
$4,861 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$6,688 SGD
£4,119 GBP
View
B
Retailer 12
-
$7,049 SGD
$5,514 USD
View
B+
Retailer 13
-
$7,173 SGD
€5,344 EUR
View
Retailer 14
-
$7,280 SGD
$5,695 USD
View
Price last confirmed 23 days ago
Retailer 15
-
$7,280 SGD
$5,695 USD
View
Price last confirmed 32 days ago
Retailer 16
-
$7,443 SGD
$5,822 USD
View
Price last confirmed 10 days ago
Retailer 17
-
$7,847 SGD
A$9,443 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$8,289 SGD
ZAR 104,751 ZAR
View
B
Retailer 19
-
$9,763 SGD
$7,637 USD
View
B
Retailer 20
-
$10,742 SGD
£6,616 GBP
View
Most Expensive
B
NZ Jewellers
a4fcb53f-22fa-41f2-8026-026a9e029870 · Oct 30
$11,279 SGD
$8,823 USD
View
20 more retailers have this diamond
Prices start from $5,327 SGDSave up to $5,952 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.

B+
1.13ct Round
$5,327 SGD