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Heart|Lab Grown|IGI

4.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG634444002

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG634444002

Diamond specifications and retailer prices

From $6,656 USD
As of November 2, 2026
Save $20,514 USD (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $27,170 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4.55ct lab-grown heart diamond

This 4.55ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634444002 or 634444002. Listed at 24 retailers as of November 1, 2026, with prices from $6,656 to $27,170, a $20,514 spread on the same certified stone. Novita Diamonds lists it at $27,170. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634444002
Dimensions11.17 × 10.64 × 6.42 mm
L/W Ratio1.05
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
11.17 mm10.64 mm4.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634444002
Side View
Table 64.0%Crown 34.8°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 57.5%

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: Nov 2
Current: $27,170 USD|Low: $6,390 USD|High: $30,523 USD|Avg: $13,196 USD|-11.0%
Novita Diamonds
Retailer 2
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
November 2, 2026
Retailer 4$6,656 USD
Retailer 11$6,900 USD
Retailer 8$6,922 USD
Retailer 3$7,690 USD
Retailer 6$7,721 USD
Retailer 9$7,721 USD
Retailer 16$7,727 USD
Retailer 2$8,425 USD
Retailer 7$9,165 USD
Retailer 17$9,622 USD
Retailer 19$11,412 USD
Retailer 12$12,753 USD
Retailer 14$15,436 USD
Retailer 18$16,433 USD
Retailer 13$17,063 USD
Retailer 15$18,704 USD
Retailer 5$22,270 USD
Retailer 10$26,964 USD
Novita Diamonds$27,170 USD

39 data points across 19 retailers

24 retailers$6,656 USD to $27,170 USD

A
Cheapest Retailer
-
$6,656 USD
A
Retailer 2
-
$6,900 USD
View
A
Retailer 3
-
$6,922 USD
View
A
Retailer 4
-
$7,690 USD
View
A
Retailer 5
-
$7,721 USD
View
Retailer 6
-
$7,721 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$7,727 USD
View
Final sale: no returns
A
Retailer 8
-
$8,425 USD
View
A
Retailer 9
-
$8,500 USD
View
B+
Retailer 10
-
$9,165 USD
View
B+
Retailer 11
-
$9,318 USD
HK$72,800 HKD
View
A
Retailer 12
-
$9,622 USD
£7,576 GBP
View
B+
Retailer 13
-
$11,412 USD
View
B+
Retailer 14
-
$12,753 USD
€12,146 EUR
View
B+
Retailer 15
-
$14,982 USD
View
B+
Retailer 16
-
$15,436 USD
£12,154 GBP
View
B+
Retailer 17
-
$16,433 USD
ZAR 265,477 ZAR
View
B+
Retailer 18
-
$17,063 USD
A$26,250 AUD
View
B+
Retailer 19
-
$18,704 USD
View
B
Retailer 20
-
$21,488 USD
View
B
Retailer 21
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$22,270 USD
View
B
Retailer 22
-
$26,525 USD
View
B
Retailer 23
-
$26,964 USD
SGD 36,438 SGD
View
Most Expensive
B
Novita Diamonds
cert_634444002 · Nov 1
$27,170 USD
A$41,800 AUD
View
23 more retailers have this diamond
Prices start from $6,656 USDSave up to $20,514 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
4.55ct Heart
$6,656 USD