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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG778644701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778644701

Diamond specifications and retailer prices

From ₹30,574 INR
$322 USD
As of November 1, 2026
Save ₹2,09,650 INR (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: ₹2,40,224 INR at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778644701 or 778644701. Listed at 24 retailers as of October 31, 2026, with prices from ₹30,574 to ₹2,40,224, a ₹2,09,650 spread on the same certified stone. Brilliant Earth lists it at ₹2,40,224. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778644701
Dimensions7.33 × 7.35 × 4.57 mm
L/W Ratio1.00
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
7.33 mm7.35 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778644701
Side View
Table 56.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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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: Nov 1
Current: ₹2,40,224 INR|Low: ₹30,574 INR|High: ₹3,72,204 INR|Avg: ₹92,738 INR|-35.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 7₹30,574 INR
Retailer 8₹34,182 INR
Retailer 22₹35,511 INR
Retailer 18₹37,885 INR
Retailer 14₹38,170 INR
Retailer 13₹48,538 INR
Retailer 12₹52,697 INR
Retailer 17₹60,516 INR
Retailer 3₹61,528 INR
Retailer 11₹65,615 INR
Retailer 16₹67,543 INR
Retailer 10₹88,997 INR
Retailer 5₹91,437 INR
Retailer 20₹92,481 INR
Retailer 9₹1,21,485 INR
Retailer 19₹1,21,916 INR
Retailer 6₹1,26,167 INR
Retailer 15₹1,35,779 INR
Retailer 4₹1,50,316 INR
Retailer 2₹1,51,939 INR
Retailer 21₹1,60,898 INR
Brilliant Earth₹2,40,224 INR

23 data points across 22 retailers

24 retailers₹30,574 INR to ₹2,40,224 INR

A
Cheapest Retailer
-
₹30,574 INR
$322 USD
A
Retailer 2
-
₹34,182 INR
$360 USD
View
Final sale: no returns
A
Retailer 3
-
₹35,511 INR
$374 USD
View
A
Retailer 4
-
₹37,885 INR
$399 USD
View
Retailer 5
-
₹38,170 INR
$402 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
₹48,538 INR
£403 GBP
View
A
Retailer 7
-
₹52,697 INR
$555 USD
View
A
Retailer 8
-
₹60,516 INR
€607 EUR
View
A
Retailer 9
-
₹61,528 INR
$648 USD
View
A
Retailer 10
-
₹65,615 INR
ZAR 11,164 ZAR
View
A
Retailer 11
-
₹66,531 INR
A$1,078 AUD
View
A
Retailer 12
-
₹67,543 INR
£560 GBP
View
A
Retailer 13
-
₹88,997 INR
A$1,442 AUD
View
B+
Retailer 14
-
₹91,437 INR
$963 USD
View
B+
Retailer 15
-
₹92,481 INR
$974 USD
View
B+
Retailer 16
-
₹94,190 INR
$992 USD
View
B+
Retailer 17
-
₹1,21,485 INR
SGD 1,729 SGD
View
B+
Retailer 18
-
₹1,21,916 INR
$1,284 USD
View
B+
Retailer 19
-
₹1,26,167 INR
$1,329 USD
View
B+
Retailer 20
-
₹1,35,779 INR
$1,430 USD
View
B+
Retailer 21
-
₹1,50,316 INR
$1,583 USD
View
B+
Retailer 22
-
₹1,51,939 INR
£1,260 GBP
View
B+
Retailer 23
-
₹1,60,898 INR
A$2,607 AUD
View
Most Expensive
B
Brilliant Earth
21000796A · Oct 31
₹2,40,224 INR
$2,530 USD
View
23 more retailers have this diamond
Prices start from ₹30,574 INRSave up to ₹2,09,650 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
₹30,574 INR