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Oval|Lab Grown|IGI

4.51ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG704585422

Certificate IGI LG704585422

Diamond specifications and retailer prices

From $6,132 USD
Save $20,297 USD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $41,130 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG704585422 or 704585422. Listed at 20 retailers, with a 331% 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704585422
Dimensions13.18 × 9.37 × 5.78 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
13.18 mm9.37 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704585422
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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: Sep 29
Current: $41,130 USD|Low: $4,781 USD|High: $48,642 USD|Avg: $16,157 USD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
September 29, 2026
Retailer 8$6,132 USD
Retailer 19$6,400 USD
Retailer 20$6,695 USD
Retailer 7$6,925 USD
Retailer 16$8,425 USD
Retailer 12$8,857 USD
Retailer 13$9,800 USD
Retailer 5$10,679 USD
Retailer 3$10,927 USD
Retailer 6$14,560 USD
Retailer 15$15,488 USD
Retailer 2$15,997 USD
Retailer 14$16,948 USD
Retailer 11$19,088 USD
Retailer 4$22,826 USD
Retailer 9$23,300 USD
Retailer 10$26,332 USD
Retailer 17$26,429 USD
Do Amore Diamonds$41,130 USD
Retailer 18$48,642 USD

35 data points across 20 retailers

20 retailers$6,132 USD to $26,429 USD

A
Cheapest Retailer
-
$6,132 USD
A
Retailer 2
-
$6,400 USD
View
A
Retailer 3
-
$6,695 USD
View
A
Retailer 4
-
$6,925 USD
View
B+
Retailer 5
-
$8,425 USD
View
B+
Retailer 6
-
$8,857 USD
View
B+
Retailer 7
-
$9,822 USD
£7,734 GBP
View
B+
Retailer 8
-
$10,679 USD
View
B+
Retailer 9
-
$10,927 USD
£8,604 GBP
View
B
Retailer 10
-
$14,560 USD
View
B+
Retailer 11
-
$15,488 USD
£12,195 GBP
View
B
Retailer 12
-
$15,997 USD
ZAR 258,433 ZAR
View
B
Retailer 13
-
$16,948 USD
A$26,074 AUD
View
B
Retailer 14
-
$19,088 USD
View
B
Retailer 15
-
$22,826 USD
View
B
Retailer 16
-
$23,300 USD
View
B
Retailer 17
-
$26,332 USD
View
B
Retailer 18
-
$26,429 USD
View
Most Expensive
B
Do Amore Diamonds
27-BC437A31B · Sep 30
$41,130 USD
View
Price under review
18 more retailers have this diamond
Prices start from $6,132 USDSave up to $20,297 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
$6,132 USD