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Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

GD • D/SI1 • GIA 7551699481

Certificate GIA 7551699481

Diamond specifications and retailer prices

From $4,659 USD
As of November 6, 2026
Save $5,831 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,490 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7551699481. Listed at 20 retailers as of November 5, 2026, with prices from $4,659 to $10,490, a $5,831 spread on the same certified stone. NZ Jewellers lists it at $10,490. 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

1.50
Carat
D
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7551699481
Dimensions7.50 × 5.76 × 3.94 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural, Natural
Top View
7.50 mm5.76 mm1.50 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551699481
Side View
Table 69.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 68.4%

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 6
Current: $10,490 USD|Low: $4,659 USD|High: $10,720 USD|Avg: $6,420 USD|-2.1%
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
Retailer 18
November 7, 2026
Retailer 17$4,659 USD
Retailer 13$4,948 USD
Retailer 6$4,955 USD
Retailer 14$5,107 USD
Retailer 7$5,470 USD
Retailer 11$5,510 USD
Retailer 9$5,729 USD
Retailer 12$5,900 USD
Retailer 15$5,994 USD
Retailer 2$6,211 USD
Retailer 5$6,272 USD
Retailer 10$6,364 USD
Retailer 18$6,390 USD
Retailer 16$6,460 USD
Retailer 3$7,167 USD
Retailer 4$7,652 USD
Retailer 8$9,215 USD
NZ Jewellers$10,490 USD

15 data points across 18 retailers

20 retailers$4,659 USD to $10,490 USD

A
Cheapest Retailer
-
$4,659 USD
A
Retailer 2
-
$4,948 USD
View
Final sale: no returns
A
Retailer 3
-
$4,955 USD
View
A
Retailer 4
-
$5,107 USD
View
A
Retailer 5
-
$5,470 USD
View
A
Retailer 6
-
$5,510 USD
View
A
Retailer 7
-
$5,729 USD
View
A
Retailer 8
-
$5,900 USD
View
B+
Retailer 9
-
$5,994 USD
View
Retailer 10
-
$6,199 USD
View
Price last confirmed 28 days ago
A
Retailer 11
-
$6,211 USD
View
A
Retailer 12
-
$6,272 USD
View
Retailer 13
-
$6,364 USD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$6,390 USD
View
A
Retailer 15
-
$6,460 USD
View
Retailer 16
-
$6,612 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$7,167 USD
View
B+
Retailer 18
-
$7,652 USD
View
B
Retailer 19
-
$9,215 USD
View
Most Expensive
B
NZ Jewellers
14fe732a-88a0-4827-abc5-ade167974442 · Nov 5
$10,490 USD
View
19 more retailers have this diamond
Prices start from $4,659 USDSave up to $5,831 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
1.50ct Radiant
$4,659 USD