Marquise|Natural|IGI

1.51ct I IF Marquise Natural Diamond

VG • I/IF • IGI 841646172

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 841646172

Diamond specifications and retailer prices

From $6,628 USD
As of November 1, 2026
Save $6,084 USD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,712 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 841646172. Listed at 16 retailers as of October 30, 2026, with prices from $6,628 to $12,712, a $6,084 spread on the same certified stone. NZ Jewellers lists it at $12,712. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 841646172
Dimensions11.15 × 6.00 × 3.75 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
11.15 mm6.00 mm1.51 ctI / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 841646172
Side View
Table 59.0%Crown 39.8°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $12,712 USD|Low: $6,628 USD|High: $13,312 USD|Avg: $8,495 USD|-4.5%
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
November 2, 2026
Retailer 7$6,628 USD
Retailer 4$6,668 USD
Retailer 2$6,758 USD
Retailer 3$7,015 USD
Retailer 5$7,015 USD
Retailer 15$7,016 USD
Retailer 10$7,203 USD
Retailer 8$7,507 USD
Retailer 12$7,600 USD
Retailer 16$7,717 USD
Retailer 6$8,230 USD
Retailer 9$8,303 USD
Retailer 14$8,770 USD
Retailer 13$9,338 USD
Retailer 11$10,592 USD
NZ Jewellers$12,712 USD

23 data points across 16 retailers

16 retailers$6,628 USD to $12,712 USD

A
Cheapest Retailer
-
$6,628 USD
A
Retailer 2
-
$6,668 USD
View
A
Retailer 3
-
$6,758 USD
£5,321 GBP
View
A
Retailer 4
-
$7,015 USD
View
A
Retailer 5
-
$7,015 USD
View
Final sale: no returns
A
Retailer 6
-
$7,016 USD
View
A
Retailer 7
-
$7,203 USD
£5,672 GBP
View
Retailer 8
-
$7,507 USD
₹714,990 INR
View
Price last confirmed 12 days ago
A
Retailer 9
-
$7,600 USD
View
A
Retailer 10
-
$7,717 USD
View
A
Retailer 11
-
$8,230 USD
£6,480 GBP
View
A
Retailer 12
-
$8,303 USD
€7,908 EUR
View
A
Retailer 13
-
$8,770 USD
View
A
Retailer 14
-
$9,338 USD
ZAR 150,861 ZAR
View
B+
Retailer 15
-
$10,592 USD
£8,340 GBP
View
Most Expensive
B
NZ Jewellers
f75061e3-ea73-47e7-bd2f-1d878be516db · Oct 30
$12,712 USD
View
15 more retailers have this diamond
Prices start from $6,628 USDSave up to $6,084 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
$6,628 USD