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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6561292606

Certificate GIA 6561292606

Diamond specifications and retailer prices

From $7,871 USD
₹749,572 INR
As of November 2, 2026
Save $6,578 USD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,449 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561292606. Listed at 22 retailers as of October 30, 2026, with prices from $7,871 to $14,449, a $6,578 spread on the same certified stone. NZ Jewellers lists it at $14,449. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561292606
Dimensions11.40 × 5.99 × 3.60 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity
Top View
11.40 mm5.99 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561292606
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $14,449 USD|Low: $7,855 USD|High: $14,449 USD|Avg: $10,300 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
Retailer 16
Retailer 17
November 2, 2026
Retailer 2$7,871 USD
Retailer 4$8,785 USD
Retailer 12$9,399 USD
Retailer 8$9,475 USD
Retailer 17$9,522 USD
Retailer 15$9,569 USD
Retailer 16$9,570 USD
Retailer 10$9,768 USD
Retailer 6$9,990 USD
Retailer 5$10,367 USD
Retailer 3$10,527 USD
Retailer 9$10,626 USD
Retailer 11$10,921 USD
Retailer 7$11,962 USD
Retailer 14$12,736 USD
Retailer 13$13,539 USD
NZ Jewellers$14,449 USD

26 data points across 17 retailers

22 retailers$7,871 USD to $14,449 USD

A
Cheapest Retailer
-
$7,871 USD
₹749,572 INR
A
Retailer 2
-
$7,981 USD
View
A
Retailer 3
-
$8,107 USD
A$12,472 AUD
View
B+
Retailer 4
-
$8,785 USD
View
B+
Retailer 5
-
$8,879 USD
View
B+
Retailer 6
-
$9,138 USD
View
B+
Retailer 7
-
$9,399 USD
£7,401 GBP
View
B+
Retailer 8
-
$9,475 USD
View
Retailer 9
-
$9,522 USD
A$14,650 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$9,569 USD
View
Final sale: no returns
B+
Retailer 11
-
$9,570 USD
View
B+
Retailer 12
-
$9,768 USD
£7,691 GBP
View
B+
Retailer 13
-
$9,990 USD
View
B+
Retailer 14
-
$10,354 USD
View
B+
Retailer 15
-
$10,367 USD
View
B+
Retailer 16
-
$10,527 USD
View
B
Retailer 17
-
$10,626 USD
View
B+
Retailer 18
-
$10,921 USD
€10,401 EUR
View
B
Retailer 19
-
$11,962 USD
View
B
Retailer 20
-
$12,736 USD
ZAR 205,758 ZAR
View
B
Retailer 21
-
$13,539 USD
£10,661 GBP
View
Most Expensive
B
NZ Jewellers
41d27a8a-ad8c-4bdf-a0bc-d2fa15a3f87a · Oct 30
$14,449 USD
View
21 more retailers have this diamond
Prices start from $7,871 USDSave up to $6,578 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.

A
1.51ct Marquise
$7,871 USD