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Heart|Natural|GIA

1.51ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 3425738172

Certificate GIA 3425738172

Diamond specifications and retailer prices

From ₹3,68,870 INR
As of October 31, 2026
Save ₹6,09,747 INR (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹9,78,617 INR at Adiamor · As of November 1, 2026
View at Adiamor

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3425738172. Listed at 15 retailers as of October 31, 2026, with prices from ₹3,68,870 to ₹9,78,617, a ₹6,09,747 spread on the same certified stone. Adiamor lists it at ₹9,78,617. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3425738172
Dimensions6.85 × 7.73 × 4.65 mm
L/W Ratio1.13
Top View
6.85 mm7.73 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3425738172
Side View
Table 59.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 60.2%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: ₹4,96,541 INR|Low: ₹3,52,116 INR|High: ₹8,51,153 INR|Avg: ₹5,49,327 INR|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3₹3,68,870 INR
Retailer 4₹3,69,314 INR
Retailer 5₹4,69,710 INR
Retailer 1₹4,96,541 INR
Retailer 6₹5,08,907 INR
Retailer 7₹5,08,907 INR
Retailer 2₹8,10,482 INR
Retailer 8₹8,51,153 INR

46 data points across 8 retailers

15 retailers₹3,68,870 INR to ₹9,78,617 INR

A
Cheapest Retailer
-
₹3,68,870 INR
A
Retailer 2
-
₹3,69,314 INR
HK$30,400 HKD
View
B+
Retailer 3
-
₹4,30,607 INR
$4,537 USD
View
B+
Retailer 4
-
₹4,43,799 INR
$4,676 USD
View
Retailer 5
-
₹4,69,440 INR
SGD 6,684 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
₹4,69,710 INR
$4,949 USD
View
Final sale: no returns
B+
Retailer 7
-
₹4,96,541 INR
£4,119 GBP
View
B+
Retailer 8
-
₹5,08,907 INR
$5,362 USD
View
B+
Retailer 9
-
₹5,08,907 INR
$5,362 USD
View
B+
Retailer 10
-
₹5,08,907 INR
$5,362 USD
View
B+
Retailer 11
-
₹5,23,424 INR
$5,515 USD
View
B+
Retailer 12
-
₹5,87,208 INR
$6,187 USD
View
B
Retailer 13
-
₹8,10,482 INR
£6,724 GBP
View
B
Retailer 14
-
₹8,51,153 INR
$8,968 USD
View
Most Expensive
B
Adiamor
D-64681383 · Nov 1
₹9,78,617 INR
$10,311 USD
View
14 more retailers have this diamond
Prices start from ₹3,68,870 INRSave up to ₹6,09,747 INR

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
1.51ct Heart
₹3,68,870 INR