Heart|Lab Grown|IGI

1.72ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG842652082

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842652082

Diamond specifications and retailer prices

From $420 USD
As of October 30, 2026
Save $3,730 USD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,150 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.72ct lab-grown heart diamond

This 1.72ct lab-grown heart 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 LG842652082 or 842652082. Listed at 20 retailers as of October 30, 2026, with prices from $420 to $4,150, a $3,730 spread on the same certified stone. Brilliant Earth lists it at $4,150. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842652082
Dimensions7.83 × 8.12 × 4.83 mm
L/W Ratio1.04
Girdle conditionFaceted
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
7.83 mm8.12 mm1.72 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842652082
Side View
Table 56.0%Crown 34°Girdle: STK-THKPavilion 41°Culet: NoneDepth 59.5%

Caratlytics Score

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A+
Exceptional
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: $1,914 USD|Low: $420 USD|High: $2,031 USD|Avg: $944 USD|-5.8%
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 6$420 USD
Retailer 19$470 USD
Retailer 10$486 USD
Retailer 13$521 USD
Retailer 11$540 USD
Retailer 12$551 USD
Retailer 18$576 USD
Retailer 7$700 USD
Retailer 2$720 USD
Retailer 16$770 USD
Retailer 17$854 USD
Retailer 15$858 USD
Retailer 9$926 USD
Retailer 8$1,255 USD
Retailer 4$1,511 USD
Retailer 3$1,658 USD
Retailer 14$1,674 USD
Retailer 5$1,818 USD
Retailer 1$1,914 USD

16 data points across 19 retailers

20 retailers$420 USD to $4,150 USD

A+
Cheapest Retailer
-
$420 USD
A
Retailer 2
-
$470 USD
View
Final sale: no returns
A
Retailer 3
-
$486 USD
View
A
Retailer 4
-
$521 USD
View
Retailer 5
-
$540 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$551 USD
£434 GBP
View
A
Retailer 7
-
$576 USD
HK$4,500 HKD
View
A
Retailer 8
-
$700 USD
View
A
Retailer 9
-
$720 USD
View
A
Retailer 10
-
$770 USD
View
A
Retailer 11
-
$854 USD
€813 EUR
View
A
Retailer 12
-
$858 USD
£676 GBP
View
A
Retailer 13
-
$926 USD
ZAR 14,953 ZAR
View
A
Retailer 14
-
$1,255 USD
A$1,930 AUD
View
B+
Retailer 15
-
$1,511 USD
View
B+
Retailer 16
-
$1,658 USD
SGD 2,240 SGD
View
B+
Retailer 17
-
$1,674 USD
View
B+
Retailer 18
-
$1,818 USD
View
B+
Retailer 19
-
$1,914 USD
£1,507 GBP
View
Most Expensive
B
Brilliant Earth
21813088A · Oct 31
$4,150 USD
View
19 more retailers have this diamond
Prices start from $420 USDSave up to $3,730 USD

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+
1.72ct Heart
$420 USD