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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG786640066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786640066

Diamond specifications and retailer prices

From ₹40,871 INR
$429 USD
As of October 29, 2026
Save ₹1,94,446 INR (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: ₹3,03,911 INR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786640066 or 786640066. Listed at 26 retailers as of October 29, 2026, with a 476% 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

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786640066
Dimensions7.42 × 7.46 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.42 mm7.46 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786640066
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: ₹2,35,317 INR|Low: ₹40,871 INR|High: ₹3,04,864 INR|Avg: ₹1,09,820 INR|-22.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 3₹40,871 INR
Retailer 2₹45,730 INR
Retailer 21₹45,825 INR
Retailer 7₹50,684 INR
Retailer 8₹50,684 INR
Retailer 20₹56,095 INR
Retailer 18₹64,307 INR
Retailer 9₹68,118 INR
Retailer 16₹79,527 INR
Retailer 6₹80,694 INR
Retailer 13₹83,389 INR
Retailer 17₹87,125 INR
Retailer 15₹89,049 INR
Retailer 5₹95,175 INR
Retailer 22₹1,22,327 INR
Retailer 11₹1,61,233 INR
Retailer 4₹1,63,007 INR
Retailer 14₹1,66,078 INR
Retailer 10₹1,83,385 INR
Retailer 19₹1,86,450 INR
Retailer 12₹1,89,778 INR
Brilliant Earth₹2,35,317 INR

34 data points across 22 retailers

26 retailers₹40,871 INR to ₹2,35,317 INR

A+
Cheapest Retailer
-
₹40,871 INR
$429 USD
A
Retailer 2
-
₹45,730 INR
$480 USD
View
Final sale: no returns
A
Retailer 3
-
₹45,825 INR
$481 USD
View
A
Retailer 4
-
₹50,684 INR
$532 USD
View
A
Retailer 5
-
₹50,684 INR
$532 USD
View
A
Retailer 6
-
₹56,095 INR
HK$4,600 HKD
View
A
Retailer 7
-
₹64,307 INR
$675 USD
View
A
Retailer 8
-
₹68,118 INR
$715 USD
View
A
Retailer 9
-
₹79,527 INR
€795 EUR
View
A
Retailer 10
-
₹80,694 INR
$847 USD
View
A
Retailer 11
-
₹83,389 INR
£689 GBP
View
A
Retailer 12
-
₹87,125 INR
ZAR 14,774 ZAR
View
A
Retailer 13
-
₹89,049 INR
A$1,438 AUD
View
A
Retailer 14
-
₹95,175 INR
$999 USD
View
B+
Retailer 15
-
₹1,22,327 INR
$1,284 USD
View
Retailer 16
-
₹1,26,900 INR
$1,332 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
₹1,61,233 INR
SGD 2,287 SGD
View
B+
Retailer 18
-
₹1,63,007 INR
$1,711 USD
View
B+
Retailer 19
-
₹1,66,078 INR
$1,743 USD
View
B+
Retailer 20
-
₹1,69,009 INR
$1,774 USD
View
B+
Retailer 21
-
₹1,77,107 INR
$1,859 USD
View
B+
Retailer 22
-
₹1,83,385 INR
$1,925 USD
View
B+
Retailer 23
-
₹1,86,450 INR
£1,541 GBP
View
B+
Retailer 24
-
₹1,89,778 INR
$1,992 USD
View
B
Retailer 25
-
₹2,35,317 INR
$2,470 USD
View
Most Expensive
Brilliant Earth
18904921A · Oct 16
₹3,03,911 INR
$3,190 USD
View
Price last confirmed 14 days ago
25 more retailers have this diamond
Prices start from ₹40,871 INRSave up to ₹1,94,446 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 Round
₹40,871 INR