Radiant|Lab Grown|IGI

1.64ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG705509687

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG705509687

Diamond specifications and retailer prices

From ₹32,948 INR
$347 USD
As of October 30, 2026
Save ₹2,86,084 INR (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: ₹3,74,103 INR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG705509687 or 705509687. Listed at 28 retailers as of October 30, 2026, with a 868% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705509687
Dimensions8.89 × 5.91 × 3.77 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.89 mm5.91 mm1.64 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705509687
Side View
Table 60.0%Crown 38.7°Girdle: MediumPavilion 33.1°Culet: NoneDepth 63.8%

Caratlytics Score

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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 30
Current: ₹3,19,032 INR|Low: ₹32,473 INR|High: ₹3,92,144 INR|Avg: ₹1,24,323 INR|-18.6%
Brilliant Earth
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
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 30, 2026
Retailer 12₹32,473 INR
Retailer 6₹32,948 INR
Retailer 10₹37,695 INR
Retailer 16₹40,259 INR
Retailer 5₹51,045 INR
Retailer 21₹51,273 INR
Retailer 2₹53,077 INR
Retailer 22₹61,528 INR
Retailer 11₹67,296 INR
Retailer 20₹69,230 INR
Retailer 13₹72,308 INR
Retailer 4₹87,259 INR
Retailer 18₹93,502 INR
Retailer 24₹1,12,136 INR
Retailer 14₹1,29,512 INR
Retailer 17₹1,33,559 INR
Retailer 3₹1,40,241 INR
Retailer 8₹1,46,215 INR
Retailer 9₹1,47,974 INR
Retailer 15₹1,56,280 INR
Retailer 7₹1,61,706 INR
Retailer 23₹2,61,113 INR
Retailer 19₹2,63,012 INR
Brilliant Earth₹3,19,032 INR

32 data points across 24 retailers

28 retailers₹32,948 INR to ₹3,19,032 INR

Retailer 1
-
₹32,473 INR
$342 USD
Price last confirmed 10 days ago
A
Retailer 2
-
₹32,948 INR
$347 USD
View
Final sale: no returns
Retailer 3
-
₹37,695 INR
$397 USD
View
Price last confirmed 11 days ago
Retailer 4
-
₹40,259 INR
$424 USD
View
Price last confirmed 16 days ago
Retailer 5
-
₹40,259 INR
$424 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
₹51,045 INR
HK$4,200 HKD
View
A
Retailer 7
-
₹51,273 INR
$540 USD
View
A
Retailer 8
-
₹53,077 INR
$559 USD
View
A
Retailer 9
-
₹61,528 INR
$648 USD
View
Retailer 10
-
₹67,296 INR
€675 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
₹69,230 INR
ZAR 11,779 ZAR
View
A
Retailer 12
-
₹72,308 INR
£600 GBP
View
A
Retailer 13
-
₹87,259 INR
$919 USD
View
A
Retailer 14
-
₹93,502 INR
A$1,515 AUD
View
B+
Retailer 15
-
₹1,12,136 INR
$1,181 USD
View
Retailer 16
-
₹1,29,512 INR
$1,364 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
₹1,33,559 INR
$1,407 USD
View
B+
Retailer 18
-
₹1,37,583 INR
$1,449 USD
View
B+
Retailer 19
-
₹1,40,241 INR
$1,477 USD
View
B+
Retailer 20
-
₹1,46,215 INR
$1,540 USD
View
B+
Retailer 21
-
₹1,47,974 INR
SGD 2,106 SGD
View
Retailer 22
-
₹1,56,280 INR
£1,296 GBP
View
Price last confirmed 10 days ago
B+
Retailer 23
-
₹1,61,706 INR
£1,341 GBP
View
B
Retailer 24
-
₹2,61,113 INR
$2,750 USD
View
B
Retailer 25
-
₹2,63,012 INR
$2,770 USD
View
B
Retailer 26
-
₹2,86,996 INR
£2,380 GBP
View
B
Retailer 27
-
₹3,19,032 INR
$3,360 USD
View
Most Expensive
Brilliant Earth
14166265A · Oct 24
₹3,74,103 INR
$3,940 USD
View
Price last confirmed 7 days ago
27 more retailers have this diamond
Prices start from ₹32,948 INRSave up to ₹2,86,084 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
1.64ct Radiant
₹32,948 INR