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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1549750982

Certificate GIA 1549750982

Diamond specifications and retailer prices

From $8,485 USD
As of November 1, 2026
Save $7,071 USD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,556 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549750982. Listed at 22 retailers as of October 30, 2026, with prices from $8,485 to $15,556, a $7,071 spread on the same certified stone. NZ Jewellers lists it at $15,556. 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

1.51
Carat
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.86°
Pavilion angle38.04°
OriginNatural
Grading LabGIA
CertificateGIA 1549750982
Dimensions10.98 × 6.00 × 3.64 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.98 mm6.00 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549750982
Side View
Table 63.0%Crown 38.86°Girdle: THK-ETKPavilion 38.04°Culet: NoneDepth 60.6%

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: Nov 1
Current: $15,556 USD|Low: $8,485 USD|High: $15,556 USD|Avg: $11,203 USD
NZ Jewellers
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
November 2, 2026
Retailer 10$8,485 USD
Retailer 6$8,739 USD
Retailer 4$8,749 USD
Retailer 5$9,334 USD
Retailer 14$9,334 USD
Retailer 7$9,412 USD
Retailer 13$10,112 USD
Retailer 9$10,130 USD
Retailer 3$10,267 USD
Retailer 2$10,813 USD
Retailer 15$11,667 USD
Retailer 8$11,757 USD
Retailer 12$13,881 USD
Retailer 11$14,577 USD
NZ Jewellers$15,556 USD

35 data points across 15 retailers

22 retailers$8,485 USD to $15,556 USD

B+
Cheapest Retailer
-
$8,485 USD
B+
Retailer 2
-
$8,739 USD
View
B+
Retailer 3
-
$8,749 USD
View
B+
Retailer 4
-
$9,334 USD
View
B+
Retailer 5
-
$9,334 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,412 USD
View
B+
Retailer 7
-
$9,953 USD
View
B+
Retailer 8
-
$9,985 USD
View
B+
Retailer 9
-
$10,112 USD
View
B+
Retailer 10
-
$10,130 USD
£7,976 GBP
View
B+
Retailer 11
-
$10,267 USD
View
B
Retailer 12
-
$10,570 USD
View
B
Retailer 13
-
$10,570 USD
View
B+
Retailer 14
-
$10,813 USD
£8,514 GBP
View
B
Retailer 15
-
$10,920 USD
View
B
Retailer 16
-
$11,667 USD
View
Retailer 17
-
$11,667 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$11,757 USD
€11,197 EUR
View
Retailer 19
-
$12,284 USD
View
Price last confirmed 18 days ago
B
Retailer 20
-
$13,881 USD
£10,930 GBP
View
B
Retailer 21
-
$14,577 USD
£11,478 GBP
View
Most Expensive
B
NZ Jewellers
116673ab-6131-4634-8d9b-3ee3961d970b · Oct 30
$15,556 USD
View
21 more retailers have this diamond
Prices start from $8,485 USDSave up to $7,071 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+
1.51ct Marquise
$8,485 USD