Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2245072899

Certificate GIA 2245072899

Diamond specifications and retailer prices

From $9,536 USD
HK$74,500 HKD
As of October 29, 2026
Save $8,825 USD (48%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $18,361 USD at With Clarity · As of October 29, 2026
View at With Clarity

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245072899. Listed at 26 retailers as of October 29, 2026, with prices from $9,536 to $18,361, a $8,825 spread on the same certified stone. With Clarity lists it at $18,361. 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

1.50
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2245072899
Dimensions7.30 × 7.33 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.30 mm7.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245072899
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $16,312 USD|Low: $9,536 USD|High: $18,361 USD|Avg: $12,787 USD|-6.2%
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
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
With Clarity
October 30, 2026
Retailer 6$9,536 USD
Retailer 24$9,834 USD
Retailer 5$10,185 USD
Retailer 15$10,691 USD
Retailer 7$10,895 USD
Retailer 3$10,943 USD
Retailer 9$11,090 USD
Retailer 21$11,198 USD
Retailer 8$11,210 USD
Retailer 10$11,521 USD
Retailer 23$11,522 USD
Retailer 12$11,671 USD
Retailer 17$11,698 USD
Retailer 20$12,047 USD
Retailer 4$12,482 USD
Retailer 2$12,674 USD
Retailer 11$12,744 USD
Retailer 19$12,782 USD
Retailer 22$12,987 USD
Retailer 16$13,119 USD
Retailer 14$14,403 USD
Retailer 18$14,844 USD
Retailer 13$15,254 USD
Retailer 1$16,312 USD
Retailer 25$16,389 USD
With Clarity$18,361 USD

18 data points across 26 retailers

26 retailers$9,536 USD to $18,361 USD

B+
Cheapest Retailer
-
$9,536 USD
HK$74,500 HKD
B+
Retailer 2
-
$9,834 USD
₹936,586 INR
View
B+
Retailer 3
-
$10,185 USD
View
B+
Retailer 4
-
$10,691 USD
View
Retailer 5
-
$10,868 USD
SGD 14,687 SGD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$10,895 USD
View
B+
Retailer 7
-
$10,943 USD
View
B+
Retailer 8
-
$11,090 USD
SGD 14,987 SGD
View
B+
Retailer 9
-
$11,198 USD
£8,817 GBP
View
B+
Retailer 10
-
$11,210 USD
View
B+
Retailer 11
-
$11,521 USD
View
Final sale: no returns
B+
Retailer 12
-
$11,522 USD
View
B+
Retailer 13
-
$11,671 USD
View
B+
Retailer 14
-
$11,698 USD
A$17,996 AUD
View
B+
Retailer 15
-
$12,047 USD
£9,485 GBP
View
B
Retailer 16
-
$12,482 USD
View
B
Retailer 17
-
$12,674 USD
View
B
Retailer 18
-
$12,744 USD
View
B
Retailer 19
-
$12,782 USD
View
B
Retailer 20
-
$12,987 USD
€12,369 EUR
View
B
Retailer 21
-
$13,119 USD
View
B
Retailer 22
-
$14,403 USD
View
B
Retailer 23
-
$15,254 USD
ZAR 246,428 ZAR
View
B
Retailer 24
-
$16,312 USD
View
B
Retailer 25
-
$16,389 USD
£12,905 GBP
View
Most Expensive
B
With Clarity
2245072899 · Oct 29
$18,361 USD
View
25 more retailers have this diamond
Prices start from $9,536 USDSave up to $8,825 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+
1.50ct Round
$9,536 USD