Marquise|Natural|GIA

1.01ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6551026609

Certificate GIA 6551026609

Diamond specifications and retailer prices

From $3,072 USD
As of November 5, 2026
Save $3,584 USD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,656 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551026609. Listed at 19 retailers as of November 5, 2026, with prices from $3,072 to $6,656, a $3,584 spread on the same certified stone. NZ Jewellers lists it at $6,656. 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

1.01
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.92°
OriginNatural
Grading LabGIA
CertificateGIA 6551026609
Dimensions10.13 × 5.37 × 3.26 mm
L/W Ratio1.89
Top View
10.13 mm5.37 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551026609
Side View
Table 60.0%Crown 34.92°Girdle: MED-THKPavilionCulet: NoneDepth 60.7%

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: Nov 5
Current: $3,703 USD|Low: $3,072 USD|High: $6,466 USD|Avg: $4,101 USD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 9$3,072 USD
Retailer 10$3,335 USD
Retailer 4$3,594 USD
Retailer 12$3,692 USD
Retailer 1$3,703 USD
Retailer 6$3,869 USD
Retailer 3$3,920 USD
Retailer 2$4,050 USD
Retailer 11$4,092 USD
Retailer 7$4,201 USD
Retailer 5$4,663 USD
Retailer 8$6,389 USD

38 data points across 12 retailers

19 retailers$3,072 USD to $6,656 USD

B+
Cheapest Retailer
-
$3,072 USD
B+
Retailer 2
-
$3,335 USD
View
B+
Retailer 3
-
$3,461 USD
View
Retailer 4
-
$3,461 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$3,594 USD
View
B+
Retailer 6
-
$3,692 USD
View
B+
Retailer 7
-
$3,703 USD
View
B+
Retailer 8
-
$3,707 USD
View
B+
Retailer 9
-
$3,869 USD
View
B
Retailer 10
-
$3,920 USD
View
B
Retailer 11
-
$3,920 USD
View
B
Retailer 12
-
$3,994 USD
View
B
Retailer 13
-
$4,050 USD
View
Retailer 14
-
$4,092 USD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$4,201 USD
View
Retailer 16
-
$4,325 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$4,663 USD
View
B
Retailer 18
-
$6,389 USD
View
Most Expensive
B
NZ Jewellers
e1f01791-b8dc-4b1a-9a3c-d67418633c41 · Nov 5
$6,656 USD
View
18 more retailers have this diamond
Prices start from $3,072 USDSave up to $3,584 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+
1.01ct Marquise
$3,072 USD