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Heart|Lab Grown|IGI

1.76ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG844643008

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844643008

Diamond specifications and retailer prices

From $1,454 USD
As of October 30, 2026
Save $5,124 USD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,578 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 1.76ct lab-grown heart diamond

This 1.76ct lab-grown heart 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 LG844643008 or 844643008. Listed at 17 retailers as of October 29, 2026, with prices from $1,454 to $6,578, a $5,124 spread on the same certified stone. Riddles Jewelry lists it at $6,578. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844643008
Dimensions8.37 × 7.45 × 4.75 mm
L/W Ratio1.12
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
8.37 mm7.45 mm1.76 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844643008
Side View
Table 58.0%Crown 39.9°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
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: $1,856 USD|Low: $1,430 USD|High: $6,578 USD|Avg: $3,256 USD|-3.0%
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
Riddles Jewelry
October 30, 2026
Retailer 3$1,454 USD
Retailer 14$1,455 USD
Retailer 10$1,455 USD
Retailer 13$1,601 USD
Retailer 4$1,782 USD
Retailer 1$1,856 USD
Retailer 8$2,188 USD
Retailer 9$2,354 USD
Retailer 16$3,136 USD
Retailer 15$3,415 USD
Retailer 12$3,880 USD
Retailer 5$4,078 USD
Retailer 11$4,120 USD
Retailer 7$4,477 USD
Retailer 2$5,023 USD
Retailer 6$6,176 USD
Riddles Jewelry$6,578 USD

17 data points across 17 retailers

17 retailers$1,454 USD to $6,578 USD

B+
Cheapest Retailer
-
$1,454 USD
Final sale: no returns
Retailer 2
-
$1,455 USD
£1,146 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,455 USD
View
B+
Retailer 4
-
$1,601 USD
View
B+
Retailer 5
-
$1,782 USD
View
B+
Retailer 6
-
$1,856 USD
£1,461 GBP
View
B+
Retailer 7
-
$2,188 USD
View
B+
Retailer 8
-
$2,354 USD
ZAR 38,026 ZAR
View
B
Retailer 9
-
$3,136 USD
View
B
Retailer 10
-
$3,415 USD
View
B
Retailer 11
-
$3,880 USD
CA$5,389 CAD
View
B
Retailer 12
-
$4,078 USD
View
B
Retailer 13
-
$4,120 USD
£3,244 GBP
View
B
Retailer 14
-
$4,477 USD
View
B
Retailer 15
-
$5,023 USD
View
B
Retailer 16
-
$6,176 USD
View
Most Expensive
B
Riddles Jewelry
1993598053 · Oct 29
$6,578 USD
View
16 more retailers have this diamond
Prices start from $1,454 USDSave up to $5,124 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
1.76ct Heart
$1,454 USD