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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1567501831

Certificate GIA 1567501831

Diamond specifications and retailer prices

From $3,175 SGD
HK$19,400 HKD
As of November 1, 2026
Save $4,148 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,323 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 1567501831. Listed at 17 retailers as of October 30, 2026, with prices from $3,175 to $7,323, a $4,148 spread on the same certified stone. NZ Jewellers lists it at $7,323. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567501831
Dimensions9.82 × 5.21 × 3.27 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
9.82 mm5.21 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1567501831
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

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: $7,323 SGD|Low: $3,142 SGD|High: $7,323 SGD|Avg: $4,613 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 1, 2026
Retailer 13$3,175 SGD
Retailer 2$3,313 SGD
Retailer 9$3,825 SGD
Retailer 8$3,842 SGD
Retailer 5$3,880 SGD
Retailer 10$4,156 SGD
Retailer 4$4,203 SGD
Retailer 16$4,203 SGD
Retailer 17$4,364 SGD
Retailer 6$4,387 SGD
Retailer 12$4,392 SGD
Retailer 7$4,406 SGD
Retailer 3$4,850 SGD
Retailer 14$4,921 SGD
Retailer 15$6,892 SGD
Retailer 11$7,028 SGD
NZ Jewellers$7,323 SGD

17 data points across 17 retailers

17 retailers$3,175 SGD to $7,323 SGD

A
Cheapest Retailer
-
$3,175 SGD
HK$19,400 HKD
A
Retailer 2
-
$3,313 SGD
₹246,805 INR
View
A
Retailer 3
-
$3,825 SGD
$2,992 USD
View
A
Retailer 4
-
$3,842 SGD
$3,005 USD
View
A
Retailer 5
-
$3,880 SGD
$3,035 USD
View
Final sale: no returns
A
Retailer 6
-
$4,156 SGD
£2,560 GBP
View
B+
Retailer 7
-
$4,203 SGD
$3,288 USD
View
B+
Retailer 8
-
$4,203 SGD
$3,288 USD
View
B+
Retailer 9
-
$4,364 SGD
$3,414 USD
View
B+
Retailer 10
-
$4,387 SGD
$3,432 USD
View
B+
Retailer 11
-
$4,392 SGD
£2,705 GBP
View
B+
Retailer 12
-
$4,406 SGD
View
B+
Retailer 13
-
$4,850 SGD
$3,794 USD
View
B+
Retailer 14
-
$4,921 SGD
€3,666 EUR
View
B
Retailer 15
-
$6,892 SGD
£4,245 GBP
View
B
Retailer 16
-
$7,028 SGD
£4,329 GBP
View
Most Expensive
B
NZ Jewellers
d58cc53d-a160-4ee3-83f4-d5817826fe7d · Oct 30
$7,323 SGD
$5,728 USD
View
16 more retailers have this diamond
Prices start from $3,175 SGDSave up to $4,148 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
$3,175 SGD