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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6505413429

Certificate GIA 6505413429

Diamond specifications and retailer prices

From ₹2,64,948 INR
HK$21,800 HKD
As of October 31, 2026
Save ₹3,18,690 INR (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: ₹6,26,385 INR at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505413429. Listed at 22 retailers as of October 29, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505413429
Dimensions6.35 × 6.39 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.35 mm6.39 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505413429
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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: ₹4,26,700 INR|Low: ₹2,62,518 INR|High: ₹5,95,336 INR|Avg: ₹3,59,375 INR|+0.0%
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
October 31, 2026
Retailer 11₹2,64,948 INR
Retailer 10₹2,66,187 INR
Retailer 3₹2,95,016 INR
Retailer 7₹3,08,208 INR
Retailer 5₹3,13,905 INR
Retailer 2₹3,20,361 INR
Retailer 16₹3,33,275 INR
Retailer 14₹3,35,017 INR
Retailer 8₹3,36,490 INR
Retailer 15₹3,47,137 INR
Retailer 12₹3,60,602 INR
Retailer 13₹3,60,962 INR
Retailer 9₹3,77,742 INR
Retailer 6₹3,89,817 INR
Retailer 4₹4,00,347 INR
Retailer 1₹4,26,700 INR
Retailer 17₹5,83,639 INR

22 data points across 17 retailers

22 retailers₹2,64,948 INR to ₹5,83,639 INR

A
Cheapest Retailer
-
₹2,64,948 INR
HK$21,800 HKD
A
Retailer 2
-
₹2,66,187 INR
View
A
Retailer 3
-
₹2,95,016 INR
A$4,780 AUD
View
A
Retailer 4
-
₹3,08,208 INR
$3,246 USD
View
A
Retailer 5
-
₹3,13,905 INR
$3,306 USD
View
B+
Retailer 6
-
₹3,20,361 INR
$3,374 USD
View
Final sale: no returns
B+
Retailer 7
-
₹3,33,275 INR
$3,510 USD
View
B+
Retailer 8
-
₹3,35,017 INR
£2,778 GBP
View
Retailer 9
-
₹3,36,490 INR
SGD 4,789 SGD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
₹3,47,137 INR
$3,656 USD
View
B+
Retailer 11
-
₹3,56,604 INR
A$5,778 AUD
View
Retailer 12
-
₹3,59,576 INR
$3,787 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
₹3,60,602 INR
£2,990 GBP
View
B+
Retailer 14
-
₹3,60,962 INR
$3,802 USD
View
Retailer 15
-
₹3,76,192 INR
$3,962 USD
View
Price last confirmed 32 days ago
Retailer 16
-
₹3,77,742 INR
A$6,121 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
₹3,89,817 INR
€3,910 EUR
View
B+
Retailer 18
-
₹4,00,347 INR
£3,320 GBP
View
Retailer 19
-
₹4,14,837 INR
$4,369 USD
View
Price last confirmed 27 days ago
B+
Retailer 20
-
₹4,26,700 INR
ZAR 72,600 ZAR
View
B
Retailer 21
-
₹5,83,639 INR
£4,840 GBP
View
Most Expensive
NZ Jewellers
fffea347-5731-4485-9be8-40672ac21573 · Oct 3
₹6,26,385 INR
$6,597 USD
View
Price last confirmed 28 days ago
21 more retailers have this diamond
Prices start from ₹2,64,948 INRSave up to ₹3,18,690 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
1.00ct Round
₹2,64,948 INR