CaratHunter
Plans
Heart|Lab Grown|IGI

4.45ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG633464403

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG633464403

Diamond specifications and retailer prices

From $2,914 USD
£2,295 GBP
As of November 2, 2026
Save $9,271 USD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,185 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.45ct lab-grown heart diamond

This 4.45ct 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 LG633464403 or 633464403. Listed at 23 retailers as of October 31, 2026, with prices from $2,914 to $12,185, a $9,271 spread on the same certified stone. Taylor and Hart lists it at $12,185. 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

4.45
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633464403
Dimensions10.31 × 11.20 × 6.69 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.31 mm11.20 mm4.45 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633464403
Side View
Table 59.0%Crown 39.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,464 USD|Low: $2,914 USD|High: $12,185 USD|Avg: $6,060 USD|-31.8%
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
Taylor and Hart
November 2, 2026
Retailer 9$2,914 USD
Retailer 3$3,379 USD
Retailer 8$3,499 USD
Retailer 16$3,499 USD
Retailer 2$3,529 USD
Retailer 5$3,660 USD
Retailer 10$4,729 USD
Retailer 15$4,925 USD
Retailer 14$5,000 USD
Retailer 1$5,464 USD
Retailer 7$6,249 USD
Retailer 13$7,449 USD
Retailer 12$7,496 USD
Retailer 6$8,790 USD
Retailer 11$8,870 USD
Retailer 4$9,708 USD
Taylor and Hart$12,185 USD

31 data points across 17 retailers

23 retailers$2,914 USD to $12,185 USD

A
Cheapest Retailer
-
$2,914 USD
£2,295 GBP
Retailer 2
-
$3,017 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$3,379 USD
View
Final sale: no returns
Retailer 4
-
$3,499 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$3,499 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$3,529 USD
View
A
Retailer 7
-
$3,660 USD
View
Retailer 8
-
$4,350 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$4,559 USD
View
Price last confirmed 34 days ago
A
Retailer 10
-
$4,729 USD
£3,724 GBP
View
A
Retailer 11
-
$4,925 USD
View
Retailer 12
-
$4,976 USD
View
Price last confirmed 36 days ago
A
Retailer 13
-
$5,000 USD
View
A
Retailer 14
-
$5,464 USD
€5,204 EUR
View
A
Retailer 15
-
$6,249 USD
View
Retailer 16
-
$6,305 USD
View
Price last confirmed 32 days ago
A
Retailer 17
-
$7,449 USD
ZAR 120,338 ZAR
View
A
Retailer 18
-
$7,496 USD
A$11,533 AUD
View
Retailer 19
-
$8,788 USD
£6,920 GBP
View
Price last confirmed 24 days ago
A
Retailer 20
-
$8,790 USD
View
A
Retailer 21
-
$8,870 USD
£6,984 GBP
View
B+
Retailer 22
-
$9,708 USD
View
Most Expensive
B+
Taylor and Hart
W3FTNLM · Oct 31
$12,185 USD
View
22 more retailers have this diamond
Prices start from $2,914 USDSave up to $9,271 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
4.45ct Heart
$2,914 USD