Marquise|Natural|GIA

0.40ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1568230929

Certificate GIA 1568230929

Diamond specifications and retailer prices

From $436 SGD
₹32,477 INR
As of November 1, 2026
Save $903 SGD (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,339 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-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 1568230929. Listed at 19 retailers as of November 1, 2026, with prices from $436 to $1,339, a $903 spread on the same certified stone. MOH London lists it at $1,339. 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

0.40
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
Crown angle37.4°
Pavilion angle38°
OriginNatural
Grading LabGIA
CertificateGIA 1568230929
Dimensions7.28 × 3.86 × 2.39 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Top View
7.28 mm3.86 mm0.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1568230929
Side View
Table 58.0%Crown 37.4°Girdle: STK-VTKPavilion 38°Culet: NoneDepth 61.9%

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: $1,339 SGD|Low: $436 SGD|High: $2,311 SGD|Avg: $814 SGD|-1.8%
MOH London
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
Retailer 17
November 2, 2026
Retailer 10$436 SGD
Retailer 9$531 SGD
Retailer 17$536 SGD
Retailer 11$580 SGD
Retailer 3$614 SGD
Retailer 5$626 SGD
Retailer 8$626 SGD
Retailer 7$628 SGD
Retailer 13$670 SGD
Retailer 2$722 SGD
Retailer 14$739 SGD
Retailer 12$773 SGD
Retailer 6$844 SGD
Retailer 4$878 SGD
Retailer 16$900 SGD
MOH London$1,339 SGD
Retailer 15$2,224 SGD

23 data points across 17 retailers

19 retailers$436 SGD to $1,339 SGD

A
Cheapest Retailer
-
$436 SGD
₹32,477 INR
B+
Retailer 2
-
$507 SGD
HK$3,100 HKD
View
B+
Retailer 3
-
$531 SGD
$415 USD
View
B+
Retailer 4
-
$536 SGD
$419 USD
View
Final sale: no returns
B+
Retailer 5
-
$580 SGD
$454 USD
View
B+
Retailer 6
-
$614 SGD
$480 USD
View
B+
Retailer 7
-
$626 SGD
$490 USD
View
B
Retailer 8
-
$626 SGD
$490 USD
View
Retailer 9
-
$628 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$670 SGD
$524 USD
View
B
Retailer 11
-
$722 SGD
£445 GBP
View
B
Retailer 12
-
$739 SGD
$578 USD
View
B
Retailer 13
-
$773 SGD
$605 USD
View
B
Retailer 14
-
$844 SGD
$660 USD
View
B
Retailer 15
-
$878 SGD
€654 EUR
View
B
Retailer 16
-
$900 SGD
ZAR 11,370 ZAR
View
Retailer 17
-
$971 SGD
A$1,169 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
AB0C091A3 · Nov 1
$1,339 SGD
£825 GBP
View
17 more retailers have this diamond
Prices start from $436 SGDSave up to $903 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
0.40ct Marquise
$436 SGD