Marquise|Natural|GIA

0.71ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6551455349

Certificate GIA 6551455349

Diamond specifications and retailer prices

From $910 USD
As of November 1, 2026
Save $1,089 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,999 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.71ct natural marquise diamond

This 0.71ct natural marquise sits in the half to three-quarter carat band, graded I 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 6551455349. Listed at 16 retailers as of November 1, 2026, with prices from $910 to $1,999, a $1,089 spread on the same certified stone. MOH London lists it at $1,999. 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

0.71
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle41.57°
OriginNatural
Grading LabGIA
CertificateGIA 6551455349
Dimensions8.88 × 4.68 × 3.01 mm
L/W Ratio1.90
Culet sizeNone
Top View
8.88 mm4.68 mm0.71 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551455349
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 41.57°Culet: NoneDepth 64.5%

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 1
Current: $1,999 USD|Low: $490 USD|High: $1,999 USD|Avg: $936 USD
MOH London
Retailer 2
Retailer 3
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Retailer 22
November 2, 2026
Retailer 12$490 USD
Retailer 4$613 USD
Retailer 6$706 USD
Retailer 11$757 USD
Retailer 8$853 USD
Retailer 17$910 USD
Retailer 10$937 USD
Retailer 15$954 USD
Retailer 21$971 USD
Retailer 20$986 USD
Retailer 5$988 USD
Retailer 18$989 USD
Retailer 2$1,027 USD
Retailer 9$1,093 USD
Retailer 7$1,126 USD
Retailer 19$1,135 USD
Retailer 22$1,141 USD
Retailer 16$1,234 USD
Retailer 14$1,257 USD
Retailer 3$1,530 USD
Retailer 13$1,771 USD
MOH London$1,999 USD

18 data points across 22 retailers

16 retailers$910 USD to $1,999 USD

Retailer 1
-
$613 USD
SGD 829 SGD
Price last confirmed 11 days ago
Retailer 2
-
$706 USD
SGD 954 SGD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$910 USD
View
Retailer 4
-
$937 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$954 USD
View
B+
Retailer 6
-
$971 USD
View
B+
Retailer 7
-
$986 USD
View
B+
Retailer 8
-
$989 USD
View
B+
Retailer 9
-
$1,027 USD
View
Retailer 10
-
$1,093 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$1,135 USD
View
B+
Retailer 12
-
$1,141 USD
View
B
Retailer 13
-
$1,234 USD
£971 GBP
View
B
Retailer 14
-
$1,530 USD
€1,457 EUR
View
B
Retailer 15
-
$1,771 USD
CA$2,460 CAD
View
Most Expensive
B
MOH London
299C1D71B · Nov 2
$1,999 USD
£1,574 GBP
View
15 more retailers have this diamond
Prices start from $910 USDSave up to $1,089 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+
0.71ct Marquise
$910 USD