CaratHunter
Plans
Marquise|Natural|GIA

1.01ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6551019703

Certificate GIA 6551019703

Diamond specifications and retailer prices

From $3,008 SGD
$2,353 USD
As of November 1, 2026
Save $4,743 SGD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,751 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-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 6551019703. Listed at 19 retailers as of October 30, 2026, with prices from $3,008 to $7,751, a $4,743 spread on the same certified stone. NZ Jewellers lists it at $7,751. 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

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
OriginNatural
Grading LabGIA
CertificateGIA 6551019703
Dimensions9.62 × 5.25 × 3.33 mm
L/W Ratio1.83
Top View
9.62 mm5.25 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551019703
Side View
Table 62.0%Crown 31.5°Girdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: $7,751 SGD|Low: $3,119 SGD|High: $7,751 SGD|Avg: $4,416 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
November 2, 2026
Retailer 12$3,119 SGD
Retailer 10$3,358 SGD
Retailer 11$3,358 SGD
Retailer 14$3,487 SGD
Retailer 4$3,510 SGD
Retailer 3$3,670 SGD
Retailer 8$3,715 SGD
Retailer 13$3,876 SGD
Retailer 5$3,900 SGD
Retailer 7$3,931 SGD
Retailer 2$4,340 SGD
Retailer 6$5,397 SGD
Retailer 9$6,200 SGD
NZ Jewellers$7,751 SGD

45 data points across 14 retailers

19 retailers$3,008 SGD to $7,751 SGD

B+
Cheapest Retailer
-
$3,008 SGD
$2,353 USD
B+
Retailer 2
-
$3,119 SGD
$2,440 USD
View
B+
Retailer 3
-
$3,155 SGD
$2,468 USD
View
B
Retailer 4
-
$3,358 SGD
$2,627 USD
View
B
Retailer 5
-
$3,358 SGD
$2,627 USD
View
Retailer 6
-
$3,358 SGD
$2,627 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,408 SGD
$2,666 USD
View
B
Retailer 8
-
$3,487 SGD
$2,728 USD
View
B
Retailer 9
-
$3,510 SGD
$2,746 USD
View
B
Retailer 10
-
$3,670 SGD
CA$3,987 CAD
View
B+
Retailer 11
-
$3,715 SGD
£2,288 GBP
View
B
Retailer 12
-
$3,876 SGD
$3,032 USD
View
B
Retailer 13
-
$3,900 SGD
$3,051 USD
View
B
Retailer 14
-
$3,931 SGD
£2,421 GBP
View
Retailer 15
-
$4,306 SGD
$3,368 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$4,340 SGD
€3,233 EUR
View
B
Retailer 17
-
$5,397 SGD
$4,222 USD
View
B
Retailer 18
-
$6,200 SGD
£3,819 GBP
View
Most Expensive
C
NZ Jewellers
5db5acdd-5caa-4f36-935e-76b7791b331d · Oct 30
$7,751 SGD
$6,063 USD
View
18 more retailers have this diamond
Prices start from $3,008 SGDSave up to $4,743 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+
1.01ct Marquise
$3,008 SGD