CaratHunter
Plans
Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6511757228

Certificate GIA 6511757228

Diamond specifications and retailer prices

From $2,253 USD
HK$17,600 HKD
Save $2,413 USD (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,665 USD at Wholesale Diamonds Direct
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511757228. Listed at 7 retailers, with prices from $2,253 to $4,665 at Wholesale Diamonds Direct, a $2,413 spread on the same certified stone. 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
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6511757228
Dimensions7.30 × 7.25 × 4.53 mm
L/W Ratio1.01
Top View
7.30 mm7.25 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511757228
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Sep 27
Current: $4,019 USD|Low: $2,253 USD|High: $4,689 USD|Avg: $3,376 USD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 1, 2026
Retailer 4$2,253 USD
Retailer 6$2,939 USD
Retailer 5$2,982 USD
Retailer 2$3,091 USD
Retailer 3$3,488 USD
Retailer 7$3,847 USD
Retailer 1$4,019 USD
Wholesale Diamonds Direct$4,665 USD

19 data points across 8 retailers

7 retailers$2,253 USD to $4,665 USD

A
Cheapest Retailer
-
$2,253 USD
HK$17,600 HKD
B+
Retailer 2
-
$2,982 USD
A$4,588 AUD
View
B+
Retailer 3
-
$3,091 USD
View
B
Retailer 4
-
$3,488 USD
€3,322 EUR
View
B
Retailer 5
-
$3,847 USD
ZAR 62,155 ZAR
View
Price last confirmed 43 days ago
B
Retailer 6
-
$4,019 USD
£3,165 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
369147822 · Sep 25
$4,665 USD
View
6 more retailers have this diamond
Prices start from $2,253 USDSave up to $2,413 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.

A
1.50ct Round
$2,253 USD