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Round|Natural|GIA

1.13ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1507664815

Certificate GIA 1507664815

Diamond specifications and retailer prices

From $6,066 SGD
$4,745 USD
As of November 1, 2026
Save $6,776 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,842 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 1507664815. Listed at 16 retailers as of October 30, 2026, with prices from $6,066 to $12,842, a $6,776 spread on the same certified stone. NZ Jewellers lists it at $12,842. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1507664815
Dimensions6.69 × 6.74 × 4.07 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.69 mm6.74 mm1.13 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1507664815
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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: $12,842 SGD|Low: $5,351 SGD|High: $12,842 SGD|Avg: $8,017 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
November 1, 2026
Retailer 6$6,066 SGD
Retailer 13$6,421 SGD
Retailer 5$6,513 SGD
Retailer 4$6,956 SGD
Retailer 8$6,956 SGD
Retailer 16$6,956 SGD
Retailer 9$7,440 SGD
Retailer 15$7,477 SGD
Retailer 14$7,591 SGD
Retailer 12$7,732 SGD
Retailer 3$8,026 SGD
Retailer 2$8,353 SGD
Retailer 7$8,469 SGD
Retailer 10$9,434 SGD
Retailer 11$11,373 SGD
NZ Jewellers$12,842 SGD

38 data points across 16 retailers

16 retailers$6,066 SGD to $12,842 SGD

B+
Cheapest Retailer
-
$6,066 SGD
$4,745 USD
B+
Retailer 2
-
$6,421 SGD
$5,023 USD
View
Final sale: no returns
B+
Retailer 3
-
$6,513 SGD
$5,095 USD
View
B+
Retailer 4
-
$6,956 SGD
$5,441 USD
View
B+
Retailer 5
-
$6,956 SGD
$5,441 USD
View
B+
Retailer 6
-
$6,956 SGD
$5,441 USD
View
B+
Retailer 7
-
$7,440 SGD
£4,583 GBP
View
Retailer 8
-
$7,477 SGD
£4,606 GBP
View
Price last confirmed 32 days ago
Retailer 9
-
$7,591 SGD
A$9,135 AUD
View
Price last confirmed 23 days ago
B
Retailer 10
-
$7,732 SGD
View
B
Retailer 11
-
$8,026 SGD
$6,278 USD
View
B
Retailer 12
-
$8,353 SGD
€6,223 EUR
View
Retailer 13
-
$8,469 SGD
$6,625 USD
View
Price last confirmed 17 days ago
B
Retailer 14
-
$9,434 SGD
ZAR 119,215 ZAR
View
B
Retailer 15
-
$11,373 SGD
£7,005 GBP
View
Most Expensive
B
NZ Jewellers
baca8433-cdf7-43aa-ad06-53a4898bb023 · Oct 30
$12,842 SGD
$10,045 USD
View
15 more retailers have this diamond
Prices start from $6,066 SGDSave up to $6,776 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
$6,066 SGD