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Marquise|Natural|GIA

1.06ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 15701356

Certificate GIA 15701356

Diamond specifications and retailer prices

From £2,877 GBP
As of November 6, 2026
Save £1,370 GBP (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,247 GBP at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.06ct natural marquise diamond

This 1.06ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 15701356. Listed at 5 retailers as of November 6, 2026, with prices from £2,877 to £4,247, a £1,370 spread on the same certified stone. 77 Diamonds lists it at £4,247. 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

1.06
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 15701356
Dimensions10.97 × 5.20 × 3.33 mm
L/W Ratio2.11
Top View
10.97 mm5.20 mm1.06 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 15701356
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 64.1%

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 6
Current: £4,247 GBP|Low: £2,877 GBP|High: £4,304 GBP|Avg: £3,574 GBP|+1.1%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 3£2,877 GBP
Retailer 2£3,571 GBP
77 Diamonds£4,247 GBP

36 data points across 3 retailers

5 retailers£2,877 GBP to £4,247 GBP

B+
Cheapest Retailer
-
£2,877 GBP
B+
Retailer 2
-
£3,061 GBP
View
B+
Retailer 3
-
£3,201 GBP
View
B
Retailer 4
-
£3,571 GBP
View
Most Expensive
B
77 Diamonds
MQDHXCATUWVD · Nov 7
£4,247 GBP
View
4 more retailers have this diamond
Prices start from £2,877 GBPSave up to £1,370 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.

B+
1.06ct Marquise
£2,877 GBP