Marquise|Natural|GIA

1.50ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 6555357470

Certificate GIA 6555357470

Diamond specifications and retailer prices

From $2,895 USD
As of November 4, 2026
Save $1,505 USD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,400 USD 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 $2,895 to $4,400, a $1,505 spread on the same certified stone. 77 Diamonds lists it at $4,400. 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
Color
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: $4,400 USD|Low: $2,828 USD|High: $4,461 USD|Avg: $3,583 USD|+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$2,828 USD
Retailer 7$2,891 USD
Retailer 5$2,895 USD
Retailer 10$3,263 USD
Retailer 6$3,547 USD
Retailer 3$3,641 USD
Retailer 4$3,713 USD
Retailer 9$3,769 USD
Retailer 2$4,133 USD
Retailer 11$4,332 USD
77 Diamonds$4,400 USD

39 data points across 11 retailers

7 retailers$2,895 USD to $4,400 USD

Retailer 1
-
$2,828 USD
Price last confirmed 63 days ago
B+
Retailer 2
-
$2,895 USD
View
B
Retailer 3
-
$3,547 USD
View
B
Retailer 4
-
$3,713 USD
View
B
Retailer 5
-
$4,133 USD
View
Retailer 6
-
$4,201 USD
View
Price last confirmed 66 days ago
Most Expensive
B
77 Diamonds
MQMB6CFYUF7X · Nov 5
$4,400 USD
£3,465 GBP
View
6 more retailers have this diamond
Prices start from $2,895 USDSave up to $1,505 USD

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
$2,895 USD