Marquise|Natural|GIA

1.30ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $7,356 USD
As of November 6, 2026
Save $9,234 USD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,590 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 11 retailers as of November 5, 2026, with prices from $7,356 to $16,590, a $9,234 spread on the same certified stone. NZ Jewellers lists it at $16,590. 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

1.30
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.86 × 5.78 × 3.59 mm
L/W Ratio1.88
Top View
10.86 mm5.78 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.1%

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 6
Current: $16,590 USD|Low: $7,273 USD|High: $16,590 USD|Avg: $9,828 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$7,356 USD
Retailer 3$8,234 USD
Retailer 7$8,295 USD
Retailer 4$8,986 USD
Retailer 5$9,040 USD
Retailer 9$9,125 USD
Retailer 2$9,623 USD
Retailer 6$10,044 USD
Retailer 8$10,369 USD
NZ Jewellers$16,590 USD

24 data points across 10 retailers

11 retailers$7,356 USD to $16,590 USD

B+
Cheapest Retailer
-
$7,356 USD
B+
Retailer 2
-
$8,234 USD
View
Retailer 3
-
$8,295 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$8,986 USD
View
Retailer 5
-
$8,986 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$9,040 USD
View
B+
Retailer 7
-
$9,125 USD
View
B+
Retailer 8
-
$9,623 USD
View
B
Retailer 9
-
$10,044 USD
View
B
Retailer 10
-
$10,369 USD
View
Most Expensive
B
NZ Jewellers
81ccaa88-9aa9-4f74-bbe3-acf8d5105e5d · Nov 5
$16,590 USD
View
10 more retailers have this diamond
Prices start from $7,356 USDSave up to $9,234 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+
1.30ct Marquise
$7,356 USD