Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5566212541

Certificate GIA 5566212541

Diamond specifications and retailer prices

From $3,942 AUD
₹263,708 INR
As of November 1, 2026
Save $5,193 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,135 AUD 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 $3,942 to $9,135, a $5,193 spread on the same certified stone. NZ Jewellers lists it at $9,135. 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 1
Current: $9,135 AUD|Low: $3,933 AUD|High: $9,135 AUD|Avg: $5,602 AUD
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 1, 2026
Retailer 2$3,942 AUD
Retailer 10$4,165 AUD
Retailer 7$4,477 AUD
Retailer 8$4,655 AUD
Retailer 18$4,900 AUD
Retailer 11$5,184 AUD
Retailer 3$5,243 AUD
Retailer 5$5,243 AUD
Retailer 16$5,403 AUD
Retailer 17$5,445 AUD
Retailer 9$5,451 AUD
Retailer 13$5,480 AUD
Retailer 15$5,585 AUD
Retailer 6$5,680 AUD
Retailer 14$5,758 AUD
Retailer 4$6,050 AUD
Retailer 12$8,769 AUD
NZ Jewellers$9,135 AUD

23 data points across 18 retailers

18 retailers$3,942 AUD to $9,135 AUD

A
Cheapest Retailer
-
$3,942 AUD
₹263,708 INR
A
Retailer 2
-
$4,165 AUD
$2,926 USD
View
Final sale: no returns
A
Retailer 3
-
$4,477 AUD
$3,145 USD
View
A
Retailer 4
-
$4,655 AUD
$3,270 USD
View
B+
Retailer 5
-
$4,900 AUD
$3,442 USD
View
B+
Retailer 6
-
$5,184 AUD
£2,868 GBP
View
Retailer 7
-
$5,243 AUD
$3,683 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$5,243 AUD
$3,683 USD
View
B+
Retailer 9
-
$5,403 AUD
$3,795 USD
View
B+
Retailer 10
-
$5,445 AUD
$3,825 USD
View
B+
Retailer 11
-
$5,451 AUD
$3,829 USD
View
B+
Retailer 12
-
$5,480 AUD
£3,031 GBP
View
B+
Retailer 13
-
$5,585 AUD
$3,923 USD
View
B+
Retailer 14
-
$5,680 AUD
$3,990 USD
View
B+
Retailer 15
-
$5,758 AUD
€3,852 EUR
View
B+
Retailer 16
-
$6,050 AUD
$4,250 USD
View
B
Retailer 17
-
$8,769 AUD
£4,850 GBP
View
Most Expensive
B
NZ Jewellers
9a05bfd7-a825-44ae-a405-821890bb8411 · Oct 30
$9,135 AUD
$6,417 USD
View
17 more retailers have this diamond
Prices start from $3,942 AUDSave up to $5,193 AUD

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
$3,942 AUD