Oval|Lab Grown|IGI

4.51ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG627461273

Certificate IGI LG627461273

Diamond specifications and retailer prices

From $5,498 USD
Save $18,674 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $37,190 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.51ct lab-grown oval diamond

This 4.51ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627461273 or 627461273. Listed at 18 retailers, with a 340% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.51
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627461273
Dimensions13.13 × 9.32 × 5.83 mm
L/W Ratio1.41
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
13.13 mm9.32 mm4.51 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627461273
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $37,190 USD|Low: $4,324 USD|High: $43,848 USD|Avg: $13,832 USD
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 12
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Retailer 18
September 29, 2026
Retailer 7$5,498 USD
Retailer 17$5,832 USD
Retailer 16$6,054 USD
Retailer 6$6,280 USD
Retailer 10$8,158 USD
Retailer 13$8,380 USD
Retailer 11$8,834 USD
Retailer 4$9,659 USD
Retailer 18$9,860 USD
Retailer 5$13,124 USD
Retailer 12$14,252 USD
Retailer 2$14,462 USD
Retailer 8$15,100 USD
Retailer 3$20,503 USD
Retailer 14$23,841 USD
Retailer 9$24,172 USD
Do Amore Diamonds$37,190 USD
Retailer 15$43,848 USD

35 data points across 18 retailers

18 retailers$5,498 USD to $24,172 USD

A
Cheapest Retailer
-
$5,498 USD
B+
Retailer 2
-
$5,832 USD
View
B+
Retailer 3
-
$6,054 USD
View
B+
Retailer 4
-
$6,280 USD
View
B+
Retailer 5
-
$8,158 USD
View
B+
Retailer 6
-
$8,380 USD
View
B+
Retailer 7
-
$8,853 USD
£6,971 GBP
View
B
Retailer 8
-
$9,659 USD
View
B
Retailer 9
-
$9,860 USD
£7,764 GBP
View
B
Retailer 10
-
$13,124 USD
View
B
Retailer 11
-
$14,252 USD
£11,222 GBP
View
B
Retailer 12
-
$14,462 USD
ZAR 233,636 ZAR
View
B
Retailer 13
-
$15,100 USD
View
B
Retailer 14
-
$20,503 USD
View
B
Retailer 15
-
$23,841 USD
View
B
Retailer 16
-
$24,172 USD
View
Most Expensive
B
Do Amore Diamonds
27-7A11C8656 · Sep 30
$37,190 USD
View
Price under review
16 more retailers have this diamond
Prices start from $5,498 USDSave up to $18,674 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.

A
4.51ct Oval
$5,498 USD