CaratHunter
Plans
Heart|Natural|GIA

1.51ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2427009307

Certificate GIA 2427009307

Diamond specifications and retailer prices

From ₹3,37,361 INR
As of October 31, 2026
Save ₹5,56,852 INR (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹8,94,212 INR at Adiamor · As of November 5, 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 I 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 2427009307. Listed at 15 retailers as of October 31, 2026, with prices from ₹3,37,361 to ₹8,94,212, a ₹5,56,852 spread on the same certified stone. Adiamor lists it at ₹8,94,212. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427009307
Dimensions6.57 × 8.10 × 4.46 mm
L/W Ratio1.23
Top View
6.57 mm8.10 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2427009307
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.1%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: ₹8,02,171 INR|Low: ₹3,21,770 INR|High: ₹8,02,171 INR|Avg: ₹4,53,279 INR|+118.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5₹3,37,361 INR
Retailer 6₹3,37,736 INR
Retailer 4₹3,93,149 INR
Retailer 7₹4,29,402 INR
Retailer 2₹4,58,048 INR
Retailer 8₹4,65,280 INR
Retailer 3₹7,38,963 INR
Retailer 1₹8,02,171 INR

42 data points across 8 retailers

15 retailers₹3,37,361 INR to ₹8,94,212 INR

A
Cheapest Retailer
-
₹3,37,361 INR
A
Retailer 2
-
₹3,37,736 INR
View
A
Retailer 3
-
₹3,93,149 INR
View
B+
Retailer 4
-
₹3,97,282 INR
View
B+
Retailer 5
-
₹4,29,402 INR
View
Final sale: no returns
B+
Retailer 6
-
₹4,58,048 INR
View
B+
Retailer 7
-
₹4,65,280 INR
View
B+
Retailer 8
-
₹4,65,280 INR
View
Retailer 9
-
₹4,65,280 INR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
₹4,79,462 INR
View
B
Retailer 11
-
₹5,36,847 INR
View
B
Retailer 12
-
₹7,38,963 INR
View
B
Retailer 13
-
₹8,02,171 INR
View
B
Retailer 14
-
₹8,10,530 INR
View
Most Expensive
B
Adiamor
D-64680553 · Nov 5
₹8,94,212 INR
$9,521 USD
View
14 more retailers have this diamond
Prices start from ₹3,37,361 INRSave up to ₹5,56,852 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
₹3,37,361 INR