Marquise|Natural|GIA

1.00ct H VS1 Marquise Natural Diamond

VG • H/VS1 • GIA 2566403055

Certificate GIA 2566403055

Diamond specifications and retailer prices

From $3,998 USD
As of October 27, 2026
Save $3,114 USD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,112 USD at Helzberg Diamonds · As of October 29, 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 October 27, 2026, with prices from $3,998 to $7,112, a $3,114 spread on the same certified stone. Helzberg Diamonds lists it at $7,112. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $7,112 USD|Low: $3,998 USD|High: $7,112 USD|Avg: $5,096 USD
Helzberg Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 4$3,998 USD
Retailer 10$4,069 USD
Retailer 7$4,110 USD
Retailer 3$4,204 USD
Retailer 5$4,295 USD
Retailer 9$4,332 USD
Retailer 2$4,503 USD
Retailer 6$4,850 USD
Retailer 16$5,008 USD
Retailer 8$5,030 USD
Retailer 13$5,124 USD
Retailer 11$5,179 USD
Retailer 18$5,486 USD
Retailer 12$5,506 USD
Retailer 14$5,551 USD
Retailer 15$6,694 USD
Retailer 17$7,084 USD
Helzberg Diamonds$7,112 USD

14 data points across 18 retailers

18 retailers$3,998 USD to $7,112 USD

B+
Cheapest Retailer
-
$3,998 USD
B+
Retailer 2
-
$4,043 USD
SGD 5,464 SGD
View
B+
Retailer 3
-
$4,069 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$4,110 USD
View
B+
Retailer 5
-
$4,204 USD
View
B+
Retailer 6
-
$4,295 USD
View
B+
Retailer 7
-
$4,332 USD
SGD 5,854 SGD
View
B+
Retailer 8
-
$4,503 USD
£3,546 GBP
View
B
Retailer 9
-
$4,850 USD
View
B
Retailer 10
-
$5,008 USD
View
B
Retailer 11
-
$5,030 USD
View
B
Retailer 12
-
$5,124 USD
€4,880 EUR
View
B
Retailer 13
-
$5,179 USD
A$7,968 AUD
View
B
Retailer 14
-
$5,486 USD
£4,320 GBP
View
B
Retailer 15
-
$5,506 USD
View
B
Retailer 16
-
$6,694 USD
View
B
Retailer 17
-
$7,084 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMMKGJGLL · Oct 29
$7,112 USD
View
17 more retailers have this diamond
Prices start from $3,998 USDSave up to $3,114 USD

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
$3,998 USD