Heart|Lab Grown|IGI

1.85ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG660417077

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG660417077

Diamond specifications and retailer prices

From $329 USD
As of October 30, 2026
Save $4,491 USD (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,820 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.85ct lab-grown heart diamond

This 1.85ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660417077 or 660417077. Listed at 22 retailers as of October 28, 2026, with prices from $329 to $4,820, a $4,491 spread on the same certified stone. Brilliant Earth lists it at $4,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660417077
Dimensions7.34 × 8.58 × 5.10 mm
L/W Ratio1.17
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
7.34 mm8.58 mm1.85 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660417077
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.4%

Caratlytics Score

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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: $4,820 USD|Low: $329 USD|High: $4,820 USD|Avg: $1,270 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 6$329 USD
Retailer 7$368 USD
Retailer 3$382 USD
Retailer 19$408 USD
Retailer 20$408 USD
Retailer 13$465 USD
Retailer 18$560 USD
Retailer 8$659 USD
Retailer 4$753 USD
Retailer 17$774 USD
Retailer 15$812 USD
Retailer 16$1,045 USD
Retailer 21$1,160 USD
Retailer 10$1,196 USD
Retailer 12$1,447 USD
Retailer 2$1,541 USD
Retailer 5$1,604 USD
Retailer 11$1,640 USD
Retailer 14$1,905 USD
Retailer 9$2,920 USD
Brilliant Earth$4,820 USD

30 data points across 21 retailers

22 retailers$329 USD to $4,820 USD

A
Cheapest Retailer
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$329 USD
A
Retailer 2
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$368 USD
View
Final sale: no returns
A
Retailer 3
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$382 USD
View
A
Retailer 4
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$408 USD
View
A
Retailer 5
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$408 USD
View
A
Retailer 6
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$465 USD
£366 GBP
View
A
Retailer 7
-
$560 USD
View
A
Retailer 8
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$659 USD
View
A
Retailer 9
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$753 USD
View
A
Retailer 10
-
$774 USD
ZAR 12,500 ZAR
View
A
Retailer 11
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$812 USD
£639 GBP
View
A
Retailer 12
-
$1,045 USD
A$1,608 AUD
View
A
Retailer 13
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$1,160 USD
View
A
Retailer 14
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$1,196 USD
View
B+
Retailer 15
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$1,447 USD
View
B+
Retailer 16
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$1,541 USD
View
B+
Retailer 17
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$1,604 USD
View
B+
Retailer 18
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$1,640 USD
SGD 2,216 SGD
View
Retailer 19
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$1,905 USD
£1,500 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
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$2,920 USD
View
B
Retailer 21
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$3,950 USD
View
Most Expensive
B
Brilliant Earth
13717362Y · Oct 28
$4,820 USD
View
21 more retailers have this diamond
Prices start from $329 USDSave up to $4,491 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
1.85ct Heart
$329 USD