Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1558938398

Certificate GIA 1558938398

Diamond specifications and retailer prices

From $10,150 USD
As of October 31, 2026
15 retailers carry this diamond
Most expensive: $14,559 USD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D 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 1558938398. Listed at 15 retailers as of October 31, 2026. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558938398
Dimensions11.32 × 5.96 × 3.72 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint, Natural
Top View
11.32 mm5.96 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558938398
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $10,150 USD|Low: $6,707 USD|High: $13,807 USD|Avg: $9,397 USD
Retailer 1
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
October 31, 2026
Retailer 7$6,707 USD
Retailer 6$7,210 USD
Retailer 11$7,720 USD
Retailer 8$7,876 USD
Retailer 13$8,178 USD
Retailer 4$8,735 USD
Retailer 17$8,735 USD
Retailer 2$8,808 USD
Retailer 16$9,312 USD
Retailer 10$9,637 USD
Retailer 14$9,945 USD
Retailer 1$10,150 USD
Retailer 3$10,600 USD
Retailer 15$10,959 USD
Retailer 5$11,498 USD
Retailer 9$11,767 USD
Retailer 12$13,716 USD

21 data points across 17 retailers

15 retailers

Retailer 1
-
$6,707 USD
HK$52,400 HKD
Price last confirmed 46 days ago
Retailer 2
-
$7,720 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$8,178 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$8,808 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$9,312 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$9,463 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$9,609 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$9,637 USD
£7,588 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
$9,945 USD
£7,831 GBP
View
Price last confirmed 20 days ago
B+
Retailer 10
-
$10,150 USD
View
Retailer 11
-
$10,371 USD
View
Price last confirmed 48 days ago
Retailer 12
-
$10,919 USD
View
Price last confirmed 34 days ago
Retailer 13
-
$11,498 USD
View
Price last confirmed 19 days ago
Retailer 14
-
$13,716 USD
£10,800 GBP
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
d667a10a-dde7-4e8e-b8fc-388109071076 · Sep 29
$14,559 USD
View
Price last confirmed 34 days ago
14 more retailers have this diamond
Prices start from $10,150 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
$10,150 USD