Heart|Lab Grown|IGI

1.71ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG839608314

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839608314

Diamond specifications and retailer prices

From $406 USD
As of October 30, 2026
Save $3,798 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,204 USD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.71ct lab-grown heart diamond

This 1.71ct 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 LG839608314 or 839608314. Listed at 16 retailers as of October 30, 2026, with prices from $406 to $4,204, a $3,798 spread on the same certified stone. Novita Diamonds lists it at $4,204. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608314
Dimensions7.07 × 8.13 × 5.05 mm
L/W Ratio1.15
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
7.07 mm8.13 mm1.71 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608314
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.1%

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: $4,204 USD|Low: $406 USD|High: $4,269 USD|Avg: $1,702 USD|-1.0%
Novita Diamonds
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
November 1, 2026
Retailer 12$406 USD
Retailer 3$455 USD
Retailer 2$588 USD
Retailer 13$663 USD
Retailer 11$725 USD
Retailer 16$797 USD
Retailer 5$1,031 USD
Retailer 10$1,294 USD
Retailer 14$1,412 USD
Retailer 17$1,786 USD
Retailer 9$1,945 USD
Retailer 7$2,045 USD
Retailer 8$2,071 USD
Retailer 4$3,370 USD
Retailer 15$3,600 USD
Retailer 6$4,100 USD
Novita Diamonds$4,204 USD

31 data points across 17 retailers

16 retailers$406 USD to $4,204 USD

A+
Cheapest Retailer
-
$406 USD
A
Retailer 2
-
$455 USD
View
A
Retailer 3
-
$588 USD
£463 GBP
View
A
Retailer 4
-
$663 USD
View
A
Retailer 5
-
$725 USD
View
A
Retailer 6
-
$797 USD
View
A
Retailer 7
-
$1,031 USD
View
B+
Retailer 8
-
$1,294 USD
A$1,991 AUD
View
B+
Retailer 9
-
$1,412 USD
View
B+
Retailer 10
-
$1,786 USD
View
Retailer 11
-
$2,045 USD
£1,610 GBP
View
Price last confirmed 14 days ago
Retailer 12
-
$2,071 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$3,370 USD
View
B
Retailer 14
-
$3,600 USD
View
B
Retailer 15
-
$4,100 USD
View
Most Expensive
B
Novita Diamonds
cert_839608314 · Oct 31
$4,204 USD
A$6,468 AUD
View
15 more retailers have this diamond
Prices start from $406 USDSave up to $3,798 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+
1.71ct Heart
$406 USD