Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG806625194

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG806625194

Diamond specifications and retailer prices

From $256 USD
As of October 30, 2026
Save $1,116 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,372 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806625194 or 806625194. Listed at 20 retailers as of October 30, 2026, with prices from $256 to $1,372, a $1,116 spread on the same certified stone. Reve Diamonds lists it at $1,372. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806625194
Dimensions7.07 × 5.97 × 4.08 mm
L/W Ratio1.18
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 mm5.97 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806625194
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.7%

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: $1,273 USD|Low: $256 USD|High: $1,701 USD|Avg: $626 USD|-25.2%
Retailer 1
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Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 2$256 USD
Retailer 7$286 USD
Retailer 17$297 USD
Retailer 3$317 USD
Retailer 14$317 USD
Retailer 12$327 USD
Retailer 10$358 USD
Retailer 8$428 USD
Retailer 15$475 USD
Retailer 19$545 USD
Retailer 4$559 USD
Retailer 5$560 USD
Retailer 13$606 USD
Retailer 18$772 USD
Retailer 11$852 USD
Retailer 9$975 USD
Retailer 16$1,020 USD
Retailer 6$1,072 USD
Retailer 1$1,273 USD
Reve Diamonds$1,372 USD

32 data points across 20 retailers

20 retailers$256 USD to $1,372 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$286 USD
View
Final sale: no returns
A
Retailer 3
-
$297 USD
View
A
Retailer 4
-
$317 USD
View
Retailer 5
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$317 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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$327 USD
£257 GBP
View
A
Retailer 7
-
$358 USD
HK$2,800 HKD
View
A
Retailer 8
-
$428 USD
View
A
Retailer 9
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$475 USD
View
A
Retailer 10
-
$545 USD
ZAR 8,810 ZAR
View
A
Retailer 11
-
$559 USD
View
A
Retailer 12
-
$560 USD
View
B+
Retailer 13
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$606 USD
£477 GBP
View
B+
Retailer 14
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$772 USD
A$1,188 AUD
View
B+
Retailer 15
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$852 USD
SGD 1,152 SGD
View
B+
Retailer 16
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$975 USD
View
B+
Retailer 17
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$1,020 USD
View
B
Retailer 18
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$1,072 USD
View
B
Retailer 19
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$1,273 USD
£1,002 GBP
View
Most Expensive
B
Reve Diamonds
F76D90498 · Nov 1
$1,372 USD
View
19 more retailers have this diamond
Prices start from $256 USDSave up to $1,116 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
1.00ct Heart
$256 USD