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Round|Lab Grown|IGI

5.45ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754593991

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754593991

Diamond specifications and retailer prices

From $5,382 USD
£4,237 GBP
As of November 1, 2026
Save $33,498 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $38,880 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 5.45ct lab-grown round diamond

This 5.45ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754593991 or 754593991. Listed at 18 retailers as of November 1, 2026, with prices from $5,382 to $38,880, a $33,498 spread on the same certified stone. Do Amore Diamonds lists it at $38,880. 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

5.45
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754593991
Dimensions11.41 × 11.48 × 6.89 mm
L/W Ratio1.01
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
11.41 mm11.48 mm5.45 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754593991
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: $38,880 USD|Low: $5,382 USD|High: $38,880 USD|Avg: $12,877 USD
Do Amore Diamonds
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
November 1, 2026
Retailer 10$5,382 USD
Retailer 16$5,652 USD
Retailer 6$5,923 USD
Retailer 3$5,949 USD
Retailer 4$7,932 USD
Retailer 13$7,935 USD
Retailer 5$8,590 USD
Retailer 8$8,720 USD
Retailer 15$10,122 USD
Retailer 12$12,179 USD
Retailer 2$14,467 USD
Retailer 7$15,128 USD
Retailer 9$15,147 USD
Retailer 14$20,260 USD
Retailer 11$28,092 USD
Do Amore Diamonds$38,880 USD

33 data points across 16 retailers

18 retailers$5,382 USD to $38,880 USD

A+
Cheapest Retailer
-
$5,382 USD
£4,237 GBP
A
Retailer 2
-
$5,652 USD
View
A
Retailer 3
-
$5,923 USD
View
A
Retailer 4
-
$5,949 USD
View
A
Retailer 5
-
$6,564 USD
View
Final sale: no returns
A
Retailer 6
-
$7,932 USD
View
A
Retailer 7
-
$7,935 USD
View
A
Retailer 8
-
$8,526 USD
View
A
Retailer 9
-
$8,590 USD
View
Retailer 10
-
$8,720 USD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$10,122 USD
View
A
Retailer 12
-
$12,179 USD
€11,599 EUR
View
A
Retailer 13
-
$14,467 USD
£11,391 GBP
View
A
Retailer 14
-
$15,128 USD
View
A
Retailer 15
-
$15,147 USD
A$23,303 AUD
View
B+
Retailer 16
-
$20,260 USD
View
B+
Retailer 17
-
$28,092 USD
A$43,219 AUD
View
Most Expensive
B
Do Amore Diamonds
27-FBE14CDE6 · Nov 1
$38,880 USD
View
17 more retailers have this diamond
Prices start from $5,382 USDSave up to $33,498 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+
5.45ct Round
$5,382 USD