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Round|Natural|GIA

1.15ct J IF Round Natural Diamond

EX • J/IF • GIA 6511504593

Certificate GIA 6511504593

Diamond specifications and retailer prices

From $3,355 SGD
HK$20,500 HKD
As of November 2, 2026
Save $4,026 SGD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,432 SGD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6511504593. Listed at 20 retailers as of November 1, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6511504593
Dimensions6.66 × 6.63 × 4.14 mm
L/W Ratio1.00
Top View
6.66 mm6.63 mm1.15 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6511504593
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.5%

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 2
Current: $3,355 SGD|Low: $3,322 SGD|High: $7,801 SGD|Avg: $4,503 SGD|-0.5%
Retailer 1
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 1$3,355 SGD
Retailer 14$3,513 SGD
Retailer 2$3,541 SGD
Retailer 7$3,561 SGD
Retailer 13$3,728 SGD
Retailer 9$3,778 SGD
Retailer 16$3,853 SGD
Retailer 15$3,886 SGD
Retailer 10$3,957 SGD
Retailer 11$3,994 SGD
Retailer 12$4,076 SGD
Retailer 4$4,225 SGD
Retailer 6$4,627 SGD
Retailer 18$4,848 SGD
Retailer 17$5,139 SGD
Retailer 5$5,535 SGD
Retailer 8$6,824 SGD
Retailer 3$7,381 SGD

20 data points across 18 retailers

20 retailers$3,355 SGD to $7,381 SGD

A
Cheapest Retailer
-
$3,355 SGD
HK$20,500 HKD
A
Retailer 2
-
$3,513 SGD
$2,748 USD
View
A
Retailer 3
-
$3,541 SGD
$2,770 USD
View
A
Retailer 4
-
$3,561 SGD
$2,785 USD
View
A
Retailer 5
-
$3,728 SGD
$2,916 USD
View
Final sale: no returns
A
Retailer 6
-
$3,778 SGD
$2,955 USD
View
A
Retailer 7
-
$3,853 SGD
$3,014 USD
View
A
Retailer 8
-
$3,886 SGD
$3,040 USD
View
A
Retailer 9
-
$3,957 SGD
$3,095 USD
View
A
Retailer 10
-
$3,994 SGD
£2,460 GBP
View
A
Retailer 11
-
$4,076 SGD
$3,189 USD
View
A
Retailer 12
-
$4,225 SGD
£2,603 GBP
View
B+
Retailer 13
-
$4,627 SGD
$3,619 USD
View
B+
Retailer 14
-
$4,848 SGD
$3,792 USD
View
Retailer 15
-
$5,016 SGD
A$6,036 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$5,139 SGD
£3,165 GBP
View
B+
Retailer 17
-
$5,535 SGD
ZAR 69,944 ZAR
View
B
Retailer 18
-
$6,824 SGD
$5,338 USD
View
B
Retailer 19
-
$7,381 SGD
£4,546 GBP
View
Most Expensive
NZ Jewellers
0801866a-84dc-4d32-80bb-ba204582387a · Sep 25
$8,432 SGD
$6,596 USD
View
Price last confirmed 37 days ago
19 more retailers have this diamond
Prices start from $3,355 SGDSave up to $4,026 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
1.15ct Round
$3,355 SGD