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Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6552660337

Certificate GIA 6552660337

Diamond specifications and retailer prices

From $13,560 USD
As of October 26, 2026
5 retailers carry this diamond
Most expensive: $20,941 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552660337. Listed at 5 retailers as of October 26, 2026. 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

1.70
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552660337
Dimensions11.92 × 6.24 × 3.84 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.92 mm6.24 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552660337
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.5%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 26
Current: $20,941 USD|Low: $13,560 USD|High: $21,166 USD|Avg: $16,682 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 26, 2026
Retailer 8$13,560 USD
Retailer 5$14,351 USD
Retailer 4$14,574 USD
Retailer 3$15,107 USD
Retailer 2$15,953 USD
Retailer 6$18,970 USD
Retailer 7$19,090 USD
MOH London$20,941 USD

36 data points across 8 retailers

5 retailers$13,560 USD to $20,941 USD

Retailer 1
-
$13,560 USD
Price last confirmed 7 days ago
Retailer 2
-
$14,351 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$14,574 USD
£11,476 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$18,970 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
D52BC12BC · Oct 26
$20,941 USD
£16,489 GBP
View
Price last confirmed 7 days ago
4 more retailers have this diamond

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.

1.70ct Marquise
$13,560 USD