Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

GD • I/SI1 • GIA 6531885205

Certificate GIA 6531885205

Diamond specifications and retailer prices

From $4,607 USD
A$7,088 AUD
Save $7,479 USD (62%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,086 USD at NZ Jewellers
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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6531885205. Listed at 22 retailers, with prices from $4,607 to $12,086 at NZ Jewellers, a $7,479 spread on the same certified stone. 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
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531885205
Dimensions7.48 × 5.71 × 3.77 mm
L/W Ratio1.31
Top View
7.48 mm5.71 mm1.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531885205
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $7,747 USD|Low: $3,764 USD|High: $10,192 USD|Avg: $6,436 USD|+2.9%
Retailer 1
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
Retailer 19
Retailer 20
October 1, 2026
Retailer 6$3,764 USD
Retailer 8$4,607 USD
Retailer 5$4,845 USD
Retailer 9$4,930 USD
Retailer 7$5,290 USD
Retailer 11$5,290 USD
Retailer 10$5,470 USD
Retailer 20$5,710 USD
Retailer 2$5,783 USD
Retailer 4$6,043 USD
Retailer 17$6,080 USD
Retailer 18$6,093 USD
Retailer 15$6,958 USD
Retailer 12$7,057 USD
Retailer 1$7,747 USD
Retailer 13$7,814 USD
Retailer 3$7,963 USD
Retailer 19$8,028 USD
Retailer 14$8,713 USD
Retailer 16$10,192 USD

16 data points across 20 retailers

22 retailers$4,607 USD to $12,086 USD

B+
Cheapest Retailer
-
$4,607 USD
A$7,088 AUD
B+
Retailer 2
-
$4,845 USD
MYR 19,736 MYR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$4,930 USD
SGD 6,662 SGD
View
B+
Retailer 4
-
$5,290 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$5,290 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$5,470 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$5,710 USD
View
B+
Retailer 8
-
$5,783 USD
View
B+
Retailer 9
-
$6,043 USD
View
B+
Retailer 10
-
$6,080 USD
View
B+
Retailer 11
-
$6,093 USD
View
B
Retailer 12
-
$6,547 USD
View
B
Retailer 13
-
$6,647 USD
View
B
Retailer 14
-
$6,973 USD
£5,491 GBP
View
B
Retailer 15
-
$7,057 USD
A$10,857 AUD
View
B
Retailer 16
-
$7,554 USD
View
B
Retailer 17
-
$7,747 USD
€7,378 EUR
View
B
Retailer 18
-
$7,963 USD
View
B
Retailer 19
-
$8,028 USD
View
B
Retailer 20
-
$8,713 USD
ZAR 140,765 ZAR
View
C
Retailer 21
-
$10,192 USD
£8,025 GBP
View
Most Expensive
C
NZ Jewellers
b23b14f7-d8fd-4851-944a-0b2e779d6632 · Sep 30
$12,086 USD
View
21 more retailers have this diamond
Prices start from $4,607 USDSave up to $7,479 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.

B+
1.50ct Radiant
$4,607 USD