Marquise|Natural|GIA

0.71ct K SI1 Marquise Natural Diamond

K/SI1 • GIA 6435489462

Certificate GIA 6435489462

Diamond specifications and retailer prices

From $551 USD
As of November 6, 2026
Save $324 USD (37%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $875 USD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 0.71ct natural marquise diamond

This 0.71ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 6435489462. Listed at 2 retailers as of November 6, 2026, with prices from $551 to $875, a $324 spread on the same certified stone. B2C Jewels lists it at $875. 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

0.71
Carat
K
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6435489462
Dimensions8.02 × 4.51 × 3.24 mm
L/W Ratio1.78
Top View
8.02 mm4.51 mm0.71 ctK / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 6435489462
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.8%

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 6
Current: $875 USD|Low: $551 USD|High: $875 USD|Avg: $720 USD
B2C Jewels
Retailer 2
November 6, 2026
Retailer 2$551 USD
B2C Jewels$875 USD

27 data points across 2 retailers

2 retailers$551 USD to $875 USD

B+
Cheapest Retailer
-
$551 USD
Most Expensive
B
B2C Jewels
20329968 · Nov 6
$875 USD
View
1 more retailer has this diamond
Prices start from $551 USDSave up to $324 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
$551 USD