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Marquise|Natural|GIA

1.00ct D I1 Marquise Natural Diamond

GD • D/I1 • GIA 1273440000

Certificate GIA 1273440000

Diamond specifications and retailer prices

From $1,145 SGD
HK$7,000 HKD
As of November 1, 2026
Save $2,598 SGD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,743 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 I1 clarity (included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1273440000. Listed at 10 retailers as of October 30, 2026, with prices from $1,145 to $3,743, a $2,598 spread on the same certified stone. NZ Jewellers lists it at $3,743. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1273440000
Dimensions9.77 × 5.34 × 2.52 mm
L/W Ratio1.83
Culet sizeNone
Key to symbols
Feather, Cloud, Cavity, Crystal, Natural, Needle
Top View
9.77 mm5.34 mm1.00 ctD / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1273440000
Side View
Table 65.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 47.2%

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: $3,743 SGD|Low: $1,129 SGD|High: $3,743 SGD|Avg: $1,816 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$1,145 SGD
Retailer 2$1,378 SGD
Retailer 9$1,470 SGD
Retailer 5$1,534 SGD
Retailer 7$1,534 SGD
Retailer 6$1,594 SGD
Retailer 10$1,612 SGD
Retailer 8$1,771 SGD
Retailer 4$2,146 SGD
NZ Jewellers$3,743 SGD

41 data points across 10 retailers

10 retailers$1,145 SGD to $3,743 SGD

B+
Cheapest Retailer
-
$1,145 SGD
HK$7,000 HKD
B+
Retailer 2
-
$1,378 SGD
₹102,676 INR
View
B+
Retailer 3
-
$1,470 SGD
$1,150 USD
View
B+
Retailer 4
-
$1,534 SGD
$1,200 USD
View
Retailer 5
-
$1,534 SGD
$1,200 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,594 SGD
$1,247 USD
View
B+
Retailer 7
-
$1,612 SGD
$1,261 USD
View
B+
Retailer 8
-
$1,771 SGD
$1,385 USD
View
B+
Retailer 9
-
$2,146 SGD
€1,599 EUR
View
Most Expensive
B
NZ Jewellers
15fc919c-45a2-4b2e-a290-0d8bf009b760 · Oct 30
$3,743 SGD
$2,928 USD
View
9 more retailers have this diamond
Prices start from $1,145 SGDSave up to $2,598 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+
1.00ct Marquise
$1,145 SGD