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Marquise|Natural|GIA

1.50ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 6555357470

Certificate GIA 6555357470

Diamond specifications and retailer prices

From $3,710 SGD
As of November 4, 2026
Save $1,929 SGD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,639 SGD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555357470. Listed at 7 retailers as of November 4, 2026, with prices from $3,710 to $5,639, a $1,929 spread on the same certified stone. 77 Diamonds lists it at $5,639. 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

1.50
Carat
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555357470
Dimensions10.91 × 5.90 × 3.80 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
10.91 mm5.90 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555357470
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,639 SGD|Low: $3,624 SGD|High: $5,717 SGD|Avg: $4,592 SGD|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,624 SGD
Retailer 7$3,705 SGD
Retailer 5$3,710 SGD
Retailer 10$4,182 SGD
Retailer 6$4,546 SGD
Retailer 3$4,666 SGD
Retailer 4$4,759 SGD
Retailer 9$4,830 SGD
Retailer 2$5,297 SGD
Retailer 11$5,552 SGD
77 Diamonds$5,639 SGD

39 data points across 11 retailers

7 retailers$3,710 SGD to $5,639 SGD

Retailer 1
-
$3,624 SGD
Price last confirmed 63 days ago
B+
Retailer 2
-
$3,710 SGD
View
B
Retailer 3
-
$4,546 SGD
View
B
Retailer 4
-
$4,759 SGD
View
B
Retailer 5
-
$5,297 SGD
View
Retailer 6
-
$5,384 SGD
View
Price last confirmed 66 days ago
Most Expensive
B
77 Diamonds
MQMB6CFYUF7X · Nov 5
$5,639 SGD
£3,465 GBP
View
6 more retailers have this diamond
Prices start from $3,710 SGDSave up to $1,929 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.

B+
1.50ct Marquise
$3,710 SGD