CaratHunter
Plans
Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5566212541

Certificate GIA 5566212541

Diamond specifications and retailer prices

From $3,539 SGD
₹263,623 INR
As of November 2, 2026
Save $4,665 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,203 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566212541. Listed at 18 retailers as of October 30, 2026, with prices from $3,539 to $8,203, a $4,665 spread on the same certified stone. NZ Jewellers lists it at $8,203. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566212541
Dimensions11.11 × 5.02 × 3.11 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Cloud, Needle, Indented Natural
Top View
11.11 mm5.02 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566212541
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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 2
Current: $8,203 SGD|Low: $3,532 SGD|High: $8,203 SGD|Avg: $5,030 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
Retailer 18
November 2, 2026
Retailer 2$3,539 SGD
Retailer 10$3,741 SGD
Retailer 7$4,021 SGD
Retailer 8$4,180 SGD
Retailer 18$4,400 SGD
Retailer 11$4,655 SGD
Retailer 3$4,708 SGD
Retailer 5$4,708 SGD
Retailer 16$4,852 SGD
Retailer 13$4,880 SGD
Retailer 17$4,890 SGD
Retailer 9$4,895 SGD
Retailer 15$5,015 SGD
Retailer 6$5,101 SGD
Retailer 12$5,187 SGD
Retailer 4$5,433 SGD
Retailer 14$7,874 SGD
NZ Jewellers$8,203 SGD

24 data points across 18 retailers

18 retailers$3,539 SGD to $8,203 SGD

A
Cheapest Retailer
-
$3,539 SGD
₹263,623 INR
A
Retailer 2
-
$3,741 SGD
$2,926 USD
View
Final sale: no returns
A
Retailer 3
-
$4,021 SGD
$3,145 USD
View
A
Retailer 4
-
$4,180 SGD
$3,270 USD
View
B+
Retailer 5
-
$4,400 SGD
$3,442 USD
View
B+
Retailer 6
-
$4,655 SGD
£2,867 GBP
View
Retailer 7
-
$4,708 SGD
$3,683 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$4,708 SGD
$3,683 USD
View
B+
Retailer 9
-
$4,852 SGD
$3,795 USD
View
B+
Retailer 10
-
$4,880 SGD
£3,006 GBP
View
B+
Retailer 11
-
$4,890 SGD
$3,825 USD
View
B+
Retailer 12
-
$4,895 SGD
$3,829 USD
View
B+
Retailer 13
-
$5,015 SGD
$3,923 USD
View
B+
Retailer 14
-
$5,101 SGD
$3,990 USD
View
B+
Retailer 15
-
$5,187 SGD
€3,864 EUR
View
B+
Retailer 16
-
$5,433 SGD
$4,250 USD
View
B
Retailer 17
-
$7,874 SGD
£4,850 GBP
View
Most Expensive
B
NZ Jewellers
9a05bfd7-a825-44ae-a405-821890bb8411 · Oct 30
$8,203 SGD
$6,417 USD
View
17 more retailers have this diamond
Prices start from $3,539 SGDSave up to $4,665 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
1.00ct Marquise
$3,539 SGD