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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6512578382

Certificate GIA 6512578382

Diamond specifications and retailer prices

From $7,552 USD
HK$59,000 HKD
Save $6,553 USD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,105 USD at MOH London
View at MOH London

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 6512578382. Listed at 20 retailers, with prices from $7,552 to $14,105 at MOH London, a $6,553 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512578382
Dimensions7.35 × 7.30 × 4.50 mm
L/W Ratio1.01
Top View
7.35 mm7.30 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512578382
Side View
Table 61.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.6%

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: $14,105 USD|Low: $7,552 USD|High: $14,105 USD|Avg: $9,085 USD|+1.1%
MOH London
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
October 1, 2026
Retailer 5$7,552 USD
Retailer 8$7,770 USD
Retailer 12$7,804 USD
Retailer 3$8,159 USD
Retailer 15$8,233 USD
Retailer 7$8,349 USD
Retailer 4$8,837 USD
Retailer 16$8,840 USD
Retailer 2$9,228 USD
Retailer 10$9,235 USD
Retailer 6$9,547 USD
Retailer 17$9,690 USD
Retailer 13$9,695 USD
Retailer 14$10,503 USD
Retailer 9$10,848 USD
Retailer 11$12,058 USD
MOH London$14,105 USD

37 data points across 17 retailers

20 retailers$7,552 USD to $14,105 USD

A
Cheapest Retailer
-
$7,552 USD
HK$59,000 HKD
A
Retailer 2
-
$7,770 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$7,804 USD
View
A
Retailer 4
-
$8,159 USD
View
A
Retailer 5
-
$8,233 USD
€7,841 EUR
View
Price last confirmed 5 days ago
B+
Retailer 6
-
$8,349 USD
SGD 11,282 SGD
View
B+
Retailer 7
-
$8,837 USD
View
B+
Retailer 8
-
$8,840 USD
View
B+
Retailer 9
-
$9,228 USD
A$14,198 AUD
View
B+
Retailer 10
-
$9,235 USD
£7,271 GBP
View
B+
Retailer 11
-
$9,454 USD
SGD 12,775 SGD
View
B+
Retailer 12
-
$9,547 USD
A$14,688 AUD
View
B+
Retailer 13
-
$9,690 USD
View
B+
Retailer 14
-
$9,695 USD
View
B+
Retailer 15
-
$9,990 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
$10,330 USD
View
Price last confirmed 45 days ago
B+
Retailer 17
-
$10,503 USD
€10,003 EUR
View
B+
Retailer 18
-
$10,848 USD
View
B
Retailer 19
-
$12,058 USD
ZAR 194,792 ZAR
View
Most Expensive
B
MOH London
A339AC71D · Oct 1
$14,105 USD
£11,106 GBP
View
19 more retailers have this diamond
Prices start from $7,552 USDSave up to $6,553 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
$7,552 USD