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Round|Lab Grown|IGI

5.03ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG578344770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578344770

Diamond specifications and retailer prices

From $3,770 USD
As of November 1, 2026
Save $11,689 USD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,459 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.03ct lab-grown round diamond

This 5.03ct lab-grown round sits in the over five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578344770 or 578344770. Listed at 21 retailers as of October 31, 2026, with prices from $3,770 to $15,459, a $11,689 spread on the same certified stone. Taylor and Hart lists it at $15,459. 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

5.03
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578344770
Dimensions10.87 × 10.80 × 6.78 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
10.87 mm10.80 mm5.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578344770
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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 1
Current: $7,072 USD|Low: $3,619 USD|High: $19,270 USD|Avg: $7,561 USD|+2.7%
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
November 2, 2026
Retailer 16$3,770 USD
Retailer 5$4,222 USD
Retailer 6$4,290 USD
Retailer 4$4,373 USD
Retailer 7$4,373 USD
Retailer 14$4,375 USD
Retailer 9$5,699 USD
Retailer 15$5,799 USD
Retailer 2$6,777 USD
Retailer 1$7,072 USD
Retailer 13$8,883 USD
Retailer 11$8,971 USD
Retailer 10$9,366 USD
Retailer 3$10,524 USD
Retailer 12$10,790 USD
Retailer 8$12,764 USD

42 data points across 16 retailers

21 retailers$3,770 USD to $15,459 USD

A
Cheapest Retailer
-
$3,770 USD
A
Retailer 2
-
$3,951 USD
View
A
Retailer 3
-
$4,222 USD
View
Final sale: no returns
A
Retailer 4
-
$4,290 USD
View
A
Retailer 5
-
$4,373 USD
View
Retailer 6
-
$4,373 USD
View
Price last confirmed 21 days ago
A
Retailer 7
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$4,375 USD
View
A
Retailer 8
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$5,464 USD
View
A
Retailer 9
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$5,699 USD
£4,488 GBP
View
A
Retailer 10
-
$5,799 USD
View
A
Retailer 11
-
$6,777 USD
View
A
Retailer 12
-
$7,072 USD
€6,735 EUR
View
B+
Retailer 13
-
$8,179 USD
View
B+
Retailer 14
-
$8,883 USD
ZAR 143,505 ZAR
View
B+
Retailer 15
-
$8,971 USD
A$13,801 AUD
View
B+
Retailer 16
-
$9,366 USD
£7,375 GBP
View
B+
Retailer 17
-
$10,524 USD
View
B+
Retailer 18
-
$10,790 USD
View
B+
Retailer 19
-
$11,019 USD
View
B
Retailer 20
-
$12,764 USD
View
Most Expensive
B
Taylor and Hart
9M6J4YZ · Oct 31
$15,459 USD
View
20 more retailers have this diamond
Prices start from $3,770 USDSave up to $11,689 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
5.03ct Round
$3,770 USD