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Marquise|Natural|GIA

1.00ct H VS1 Marquise Natural Diamond

VG • H/VS1 • GIA 2566403055

Certificate GIA 2566403055

Diamond specifications and retailer prices

From $5,111 SGD
$3,998 USD
As of November 1, 2026
Save $3,981 SGD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,092 SGD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2566403055. Listed at 18 retailers as of November 1, 2026, with prices from $5,111 to $9,092, a $3,981 spread on the same certified stone. Helzberg Diamonds lists it at $9,092. 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
H
Colour
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.4°
Pavilion angle41.86°
OriginNatural
Grading LabGIA
CertificateGIA 2566403055
Dimensions9.66 × 5.18 × 3.37 mm
L/W Ratio1.86
Culet sizeNone
Top View
9.66 mm5.18 mm1.00 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566403055
Side View
Table 62.0%Crown 40.4°Girdle: THN-THKPavilion 41.86°Culet: NDepth 65.1%

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: $9,092 SGD|Low: $5,111 SGD|High: $9,092 SGD|Avg: $6,522 SGD
Helzberg Diamonds
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 4$5,111 SGD
Retailer 10$5,202 SGD
Retailer 7$5,254 SGD
Retailer 3$5,374 SGD
Retailer 5$5,491 SGD
Retailer 9$5,538 SGD
Retailer 11$5,775 SGD
Retailer 6$6,200 SGD
Retailer 16$6,402 SGD
Retailer 8$6,430 SGD
Retailer 2$6,552 SGD
Retailer 13$6,640 SGD
Retailer 18$7,014 SGD
Retailer 12$7,039 SGD
Retailer 14$7,096 SGD
Retailer 15$8,558 SGD
Retailer 17$9,056 SGD
Helzberg Diamonds$9,092 SGD

18 data points across 18 retailers

18 retailers$5,111 SGD to $9,092 SGD

B+
Cheapest Retailer
-
$5,111 SGD
$3,998 USD
B+
Retailer 2
-
$5,169 SGD
View
B+
Retailer 3
-
$5,202 SGD
$4,069 USD
View
B+
Retailer 4
-
$5,254 SGD
$4,110 USD
View
B+
Retailer 5
-
$5,374 SGD
$4,204 USD
View
B+
Retailer 6
-
$5,491 SGD
$4,295 USD
View
B+
Retailer 7
-
$5,538 SGD
View
B+
Retailer 8
-
$5,775 SGD
£3,557 GBP
View
B
Retailer 9
-
$6,200 SGD
$4,850 USD
View
B
Retailer 10
-
$6,402 SGD
$5,008 USD
View
B
Retailer 11
-
$6,430 SGD
$5,030 USD
View
B
Retailer 12
-
$6,552 SGD
€4,881 EUR
View
B
Retailer 13
-
$6,640 SGD
A$7,991 AUD
View
B
Retailer 14
-
$7,014 SGD
£4,320 GBP
View
B
Retailer 15
-
$7,039 SGD
$5,506 USD
View
B
Retailer 16
-
$8,558 SGD
$6,694 USD
View
B
Retailer 17
-
$9,056 SGD
$7,084 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMMKGJGLL · Nov 2
$9,092 SGD
$7,112 USD
View
17 more retailers have this diamond
Prices start from $5,111 SGDSave up to $3,981 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
$5,111 SGD