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Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1559966284

Certificate GIA 1559966284

Diamond specifications and retailer prices

From £1,261 GBP
HK$13,200 HKD
As of October 30, 2026
Save £3,125 GBP (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,386 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded E 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 1559966284. Listed at 18 retailers as of October 30, 2026, with prices from £1,261 to £4,386, a £3,125 spread on the same certified stone. Moon Ocean lists it at £4,386. 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

0.90
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559966284
Dimensions9.88 × 4.96 × 3.00 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
9.88 mm4.96 mm0.90 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559966284
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.4%

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: Oct 30
Current: £4,386 GBP|Low: £1,261 GBP|High: £4,609 GBP|Avg: £2,151 GBP|-4.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15£1,261 GBP
Retailer 2£1,327 GBP
Retailer 13£1,532 GBP
Retailer 3£1,559 GBP
Retailer 6£1,642 GBP
Retailer 4£1,690 GBP
Retailer 14£1,690 GBP
Retailer 5£1,764 GBP
Retailer 16£1,794 GBP
Retailer 9£1,854 GBP
Retailer 8£1,949 GBP
Retailer 11£2,106 GBP
Retailer 10£2,976 GBP
Retailer 12£3,028 GBP
Retailer 7£3,532 GBP
Moon Ocean£4,386 GBP

25 data points across 16 retailers

18 retailers£1,261 GBP to £4,386 GBP

A
Cheapest Retailer
-
£1,261 GBP
HK$13,200 HKD
A
Retailer 2
-
£1,327 GBP
₹169,371 INR
View
A
Retailer 3
-
£1,532 GBP
SGD 2,774 SGD
View
A
Retailer 4
-
£1,559 GBP
$2,089 USD
View
Final sale: no returns
A
Retailer 5
-
£1,642 GBP
$2,200 USD
View
A
Retailer 6
-
£1,649 GBP
$2,210 USD
View
Retailer 7
-
£1,690 GBP
$2,264 USD
View
Price last confirmed 12 days ago
Retailer 8
-
£1,690 GBP
$2,264 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
£1,764 GBP
SGD 3,194 SGD
View
B+
Retailer 10
-
£1,794 GBP
$2,403 USD
View
Retailer 11
-
£1,840 GBP
$2,465 USD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
£1,854 GBP
View
Retailer 13
-
£1,949 GBP
$2,612 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£2,106 GBP
€2,688 EUR
View
B
Retailer 15
-
£2,976 GBP
View
B
Retailer 16
-
£3,028 GBP
View
Retailer 17
-
£3,532 GBP
$4,733 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Moon Ocean
NVN-79F9C0DC4-284 · Oct 30
£4,386 GBP
View
17 more retailers have this diamond
Prices start from £1,261 GBPSave up to £3,125 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
0.90ct Marquise
£1,261 GBP