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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6541094309

Certificate GIA 6541094309

Diamond specifications and retailer prices

From $3,747 SGD
HK$22,900 HKD
As of November 1, 2026
Save $5,111 SGD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,858 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6541094309. Listed at 20 retailers as of October 30, 2026, with prices from $3,747 to $8,858, a $5,111 spread on the same certified stone. NZ Jewellers lists it at $8,858. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle36.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6541094309
Dimensions7.12 × 7.21 × 4.51 mm
L/W Ratio1.01
Top View
7.12 mm7.21 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6541094309
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 62.9%

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 1
Current: $4,823 SGD|Low: $3,715 SGD|High: $8,605 SGD|Avg: $5,494 SGD|+0.6%
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
November 2, 2026
Retailer 10$3,747 SGD
Retailer 11$4,322 SGD
Retailer 13$4,669 SGD
Retailer 2$4,693 SGD
Retailer 1$4,823 SGD
Retailer 6$5,024 SGD
Retailer 5$5,084 SGD
Retailer 3$5,451 SGD
Retailer 7$5,730 SGD
Retailer 12$5,820 SGD
Retailer 4$6,146 SGD
Retailer 9$6,249 SGD
Retailer 8$8,503 SGD

42 data points across 13 retailers

20 retailers$3,747 SGD to $8,858 SGD

A
Cheapest Retailer
-
$3,747 SGD
HK$22,900 HKD
A
Retailer 2
-
$4,322 SGD
$3,381 USD
View
B+
Retailer 3
-
$4,474 SGD
$3,500 USD
View
B+
Retailer 4
-
$4,669 SGD
View
B+
Retailer 5
-
$4,693 SGD
$3,671 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,719 SGD
View
B+
Retailer 7
-
$4,823 SGD
£2,971 GBP
View
B+
Retailer 8
-
$4,932 SGD
$3,858 USD
View
B+
Retailer 9
-
$5,024 SGD
$3,930 USD
View
B+
Retailer 10
-
$5,084 SGD
$3,977 USD
View
B+
Retailer 11
-
$5,084 SGD
$3,977 USD
View
Retailer 12
-
$5,451 SGD
A$6,560 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$5,730 SGD
€4,269 EUR
View
B
Retailer 14
-
$5,820 SGD
£3,585 GBP
View
B
Retailer 15
-
$5,867 SGD
$4,589 USD
View
Retailer 16
-
$6,146 SGD
£3,786 GBP
View
Price last confirmed 33 days ago
B
Retailer 17
-
$6,249 SGD
ZAR 78,971 ZAR
View
B
Retailer 18
-
$7,188 SGD
$5,623 USD
View
B
Retailer 19
-
$8,503 SGD
£5,237 GBP
View
Most Expensive
C
NZ Jewellers
a3e18db9-7fba-4524-aeeb-cbfa87a87723 · Oct 30
$8,858 SGD
$6,929 USD
View
19 more retailers have this diamond
Prices start from $3,747 SGDSave up to $5,111 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
1.51ct Round
$3,747 SGD