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Marquise|Natural|GIA

1.15ct K SI2 Marquise Natural Diamond

GD • K/SI2 • GIA 2175379987

Certificate GIA 2175379987

Diamond specifications and retailer prices

From $3,383 AUD
As of November 4, 2026
Save $1,729 AUD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,112 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.15ct natural marquise diamond

This 1.15ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2175379987. Listed at 3 retailers as of November 4, 2026, with prices from $3,383 to $5,112, a $1,729 spread on the same certified stone. 77 Diamonds lists it at $5,112. 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

1.15
Carat
K
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2175379987
Dimensions10.50 × 5.12 × 3.55 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Top View
10.50 mm5.12 mm1.15 ctK / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 2175379987
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCuletDepth 69.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,112 AUD|Low: $3,434 AUD|High: $5,218 AUD|Avg: $4,330 AUD|+0.4%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$3,483 AUD
77 Diamonds$5,112 AUD

37 data points across 2 retailers

3 retailers$3,383 AUD to $5,112 AUD

B
Cheapest Retailer
-
$3,383 AUD
B
Retailer 2
-
$3,483 AUD
View
Most Expensive
C
77 Diamonds
MQZPPDDGD25 · Nov 6
$5,112 AUD
£2,818 GBP
View
2 more retailers have this diamond
Prices start from $3,383 AUDSave up to $1,729 AUD

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
1.15ct Marquise
$3,383 AUD