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Marquise|Natural|GIA

3.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1569055959

Certificate GIA 1569055959

Diamond specifications and retailer prices

From £35,046 GBP
SGD 63,553 SGD
As of November 1, 2026
Save £21,428 GBP (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £56,473 GBP at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 3.7ct natural marquise diamond

This 3.7ct natural marquise sits in the three to five 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 1569055959. Listed at 13 retailers as of November 1, 2026, with prices from £35,046 to £56,473, a £21,428 spread on the same certified stone. Helzberg Diamonds lists it at £56,473. 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

3.70
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.23°
Pavilion angle41.75°
OriginNatural
Grading LabGIA
CertificateGIA 1569055959
Dimensions16.48 × 7.73 × 4.98 mm
L/W Ratio2.13
Culet sizeNone
Top View
16.48 mm7.73 mm3.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1569055959
Side View
Table 60.0%Crown 38.23°Girdle: MED-VTKPavilion 41.75°Culet: NDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £56,473 GBP|Low: £35,046 GBP|High: £57,049 GBP|Avg: £43,040 GBP|-1.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12£35,046 GBP
Retailer 8£37,121 GBP
Retailer 11£37,491 GBP
Retailer 10£37,695 GBP
Retailer 2£37,932 GBP
Retailer 3£39,141 GBP
Retailer 13£39,516 GBP
Retailer 4£41,877 GBP
Retailer 5£43,249 GBP
Retailer 9£44,871 GBP
Retailer 6£44,903 GBP
Retailer 7£53,808 GBP
Helzberg Diamonds£56,473 GBP

34 data points across 13 retailers

13 retailers£35,046 GBP to £56,473 GBP

A
Cheapest Retailer
-
£35,046 GBP
SGD 63,553 SGD
A
Retailer 2
-
£37,121 GBP
View
B+
Retailer 3
-
£37,491 GBP
$50,310 USD
View
B+
Retailer 4
-
£37,695 GBP
$50,585 USD
View
B+
Retailer 5
-
£37,932 GBP
$50,902 USD
View
B+
Retailer 6
-
£39,141 GBP
$52,525 USD
View
B+
Retailer 7
-
£39,516 GBP
SGD 71,660 SGD
View
B+
Retailer 8
-
£41,877 GBP
$56,197 USD
View
B+
Retailer 9
-
£43,249 GBP
$58,038 USD
View
B
Retailer 10
-
£44,871 GBP
$60,214 USD
View
B+
Retailer 11
-
£44,903 GBP
€57,388 EUR
View
B
Retailer 12
-
£53,808 GBP
$72,207 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMPGLLPLP · Nov 2
£56,473 GBP
$75,784 USD
View
12 more retailers have this diamond
Prices start from £35,046 GBPSave up to £21,428 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
3.70ct Marquise
£35,046 GBP