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Marquise|Natural|GIA

0.91ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1558861063

Certificate GIA 1558861063

Diamond specifications and retailer prices

From $1,865 SGD
₹138,929 INR
As of November 1, 2026
Save $4,232 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,097 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558861063. Listed at 19 retailers as of October 30, 2026, with prices from $1,865 to $6,097, a $4,232 spread on the same certified stone. NZ Jewellers lists it at $6,097. 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

0.91
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558861063
Dimensions9.76 × 5.14 × 2.98 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Etch Channel
Top View
9.76 mm5.14 mm0.91 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558861063
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.0%

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: $3,412 SGD|Low: $1,861 SGD|High: $4,432 SGD|Avg: $3,004 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$1,865 SGD
Retailer 8$1,971 SGD
Retailer 5$2,460 SGD
Retailer 9$2,614 SGD
Retailer 2$2,719 SGD
Retailer 7$3,261 SGD
Retailer 1$3,412 SGD
Retailer 4$3,687 SGD
Retailer 6$4,385 SGD

36 data points across 9 retailers

19 retailers$1,865 SGD to $6,097 SGD

A
Cheapest Retailer
-
$1,865 SGD
₹138,929 INR
A
Retailer 2
-
$1,971 SGD
$1,542 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,259 SGD
$1,767 USD
View
B+
Retailer 4
-
$2,460 SGD
$1,924 USD
View
B+
Retailer 5
-
$2,493 SGD
$1,950 USD
View
B+
Retailer 6
-
$2,499 SGD
$1,955 USD
View
B+
Retailer 7
-
$2,499 SGD
$1,955 USD
View
B+
Retailer 8
-
$2,550 SGD
$1,995 USD
View
B+
Retailer 9
-
$2,614 SGD
$2,045 USD
View
B+
Retailer 10
-
$2,676 SGD
$2,093 USD
View
B+
Retailer 11
-
$2,719 SGD
£1,674 GBP
View
B+
Retailer 12
-
$2,884 SGD
$2,256 USD
View
B
Retailer 13
-
$2,967 SGD
$2,321 USD
View
Retailer 14
-
$2,984 SGD
$2,334 USD
View
Price last confirmed 56 days ago
Retailer 15
-
$3,261 SGD
A$3,925 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
$3,412 SGD
€2,542 EUR
View
B
Retailer 17
-
$3,687 SGD
ZAR 46,588 ZAR
View
B
Retailer 18
-
$4,385 SGD
£2,701 GBP
View
Most Expensive
B
NZ Jewellers
fd5e0f42-0375-4144-8ea5-da9b82527c0e · Oct 30
$6,097 SGD
$4,769 USD
View
18 more retailers have this diamond
Prices start from $1,865 SGDSave up to $4,232 SGD

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
0.91ct Marquise
$1,865 SGD