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Marquise|Natural|GIA

1.66ct D IF Marquise Natural Diamond

EX • D/IF • GIA 13355108

Certificate GIA 13355108

Diamond specifications and retailer prices

From £11,682 GBP
€14,930 EUR
As of November 2, 2026
Save £3,288 GBP (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £14,970 GBP at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 1.66ct natural marquise diamond

This 1.66ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 13355108. Listed at 2 retailers as of November 2, 2026, with prices from £11,682 to £14,970, a £3,288 spread on the same certified stone. 77 Diamonds lists it at £14,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 13355108
Dimensions12.51 × 6.41 × 3.83 mm
L/W Ratio1.95
Top View
12.51 mm6.41 mm1.66 ctD / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 13355108
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £14,970 GBP|Low: £11,479 GBP|High: £15,120 GBP|Avg: £13,320 GBP|+1.4%
77 Diamonds
Retailer 2
November 3, 2026
Retailer 2£11,682 GBP
77 Diamonds£14,970 GBP

39 data points across 2 retailers

2 retailers£11,682 GBP to £14,970 GBP

A
Cheapest Retailer
-
£11,682 GBP
€14,930 EUR
Most Expensive
B+
77 Diamonds
MQILNZV4QMUD · Nov 3
£14,970 GBP
View
1 more retailer has this diamond
Prices start from £11,682 GBPSave up to £3,288 GBP

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.

A
1.66ct Marquise
£11,682 GBP