CaratHunter
Plans
Marquise|Natural|GIA

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6552470809

Certificate GIA 6552470809

Diamond specifications and retailer prices

From $7,786 SGD
$6,088 USD
As of November 1, 2026
Save $9,028 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,814 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552470809. Listed at 17 retailers as of November 1, 2026, with prices from $7,786 to $16,814, a $9,028 spread on the same certified stone. NZ Jewellers lists it at $16,814. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.95°
Pavilion angle42.18°
OriginNatural
Grading LabGIA
CertificateGIA 6552470809
Dimensions11.17 × 6.10 × 3.80 mm
L/W Ratio1.83
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural
Top View
11.17 mm6.10 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552470809
Side View
Table 65.0%Crown 34.95°Girdle: STK-VTKPavilion 42.18°Culet: NoneDepth 62.3%

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: $16,814 SGD|Low: $7,942 SGD|High: $16,814 SGD|Avg: $10,500 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
November 3, 2026
Retailer 12$7,942 SGD
Retailer 3$8,351 SGD
Retailer 5$8,406 SGD
Retailer 13$8,477 SGD
Retailer 6$9,107 SGD
Retailer 16$9,248 SGD
Retailer 2$9,478 SGD
Retailer 4$9,610 SGD
Retailer 15$10,078 SGD
Retailer 17$10,078 SGD
Retailer 14$10,410 SGD
Retailer 7$10,509 SGD
Retailer 10$10,982 SGD
Retailer 8$11,075 SGD
Retailer 9$11,985 SGD
Retailer 11$14,010 SGD
NZ Jewellers$16,814 SGD

40 data points across 17 retailers

17 retailers$7,786 SGD to $16,814 SGD

B+
Cheapest Retailer
-
$7,786 SGD
$6,088 USD
B+
Retailer 2
-
$7,942 SGD
$6,210 USD
View
B+
Retailer 3
-
$8,351 SGD
CA$9,069 CAD
View
B+
Retailer 4
-
$8,406 SGD
$6,573 USD
View
B
Retailer 5
-
$8,477 SGD
$6,628 USD
View
B
Retailer 6
-
$9,107 SGD
$7,121 USD
View
B
Retailer 7
-
$9,248 SGD
$7,231 USD
View
B+
Retailer 8
-
$9,478 SGD
£5,835 GBP
View
B
Retailer 9
-
$9,610 SGD
$7,514 USD
View
B
Retailer 10
-
$10,078 SGD
$7,880 USD
View
B
Retailer 11
-
$10,078 SGD
$7,880 USD
View
B
Retailer 12
-
$10,410 SGD
$8,140 USD
View
B
Retailer 13
-
$10,509 SGD
$8,217 USD
View
B
Retailer 14
-
$10,982 SGD
€8,178 EUR
View
Retailer 15
-
$11,075 SGD
$8,660 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$14,010 SGD
£8,626 GBP
View
Most Expensive
C
NZ Jewellers
59f719e2-1b58-4986-80a0-1449147ab945 · Nov 3
$16,814 SGD
$13,147 USD
View
16 more retailers have this diamond
Prices start from $7,786 SGDSave up to $9,028 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+
1.51ct Marquise
$7,786 SGD