Oval|Lab Grown|IGI

1.51ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG795618617

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG795618617

Diamond specifications and retailer prices

From $650 USD
As of October 29, 2026
Save $2,542 USD (80%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,330 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG795618617 or 795618617. Listed at 26 retailers as of October 29, 2026, with a 391% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795618617
Dimensions9.43 × 6.35 × 3.98 mm
L/W Ratio1.49
Girdle conditionFaceted
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
9.43 mm6.35 mm1.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795618617
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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: Oct 29
Current: $5,330 USD|Low: $624 USD|High: $5,330 USD|Avg: $1,776 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 31, 2026
Retailer 3$650 USD
Retailer 16$707 USD
Retailer 5$753 USD
Retailer 6$753 USD
Retailer 10$854 USD
Retailer 2$930 USD
Retailer 7$1,080 USD
Retailer 15$1,169 USD
Retailer 11$1,201 USD
Retailer 13$1,384 USD
Retailer 17$1,925 USD
Retailer 4$2,118 USD
Retailer 8$2,432 USD
Retailer 14$2,487 USD
Retailer 9$2,541 USD
Retailer 12$3,192 USD
Brilliant Earth$5,330 USD

37 data points across 17 retailers

26 retailers$650 USD to $3,192 USD

A
Cheapest Retailer
-
$650 USD
A
Retailer 2
-
$707 USD
View
A
Retailer 3
-
$727 USD
View
Final sale: no returns
Retailer 4
-
$753 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$753 USD
View
A
Retailer 6
-
$854 USD
£673 GBP
View
B+
Retailer 7
-
$930 USD
View
B+
Retailer 8
-
$997 USD
View
B+
Retailer 9
-
$1,080 USD
View
B+
Retailer 10
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$1,129 USD
View
B+
Retailer 11
-
$1,169 USD
A$1,798 AUD
View
B+
Retailer 12
-
$1,201 USD
£946 GBP
View
B+
Retailer 13
-
$1,384 USD
ZAR 22,364 ZAR
View
B
Retailer 14
-
$1,752 USD
View
Retailer 15
-
$1,925 USD
View
Price last confirmed 11 days ago
B
Retailer 16
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$2,118 USD
View
B
Retailer 17
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$2,347 USD
£1,848 GBP
View
B
Retailer 18
-
$2,432 USD
View
B
Retailer 19
-
$2,487 USD
€2,369 EUR
View
B
Retailer 20
-
$2,541 USD
SGD 3,434 SGD
View
B
Retailer 21
-
$2,570 USD
View
B
Retailer 22
-
$2,600 USD
View
B
Retailer 23
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$2,628 USD
View
B
Retailer 24
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$3,192 USD
£2,513 GBP
View
Retailer 25
-
$3,747 USD
View
Price last confirmed 60 days ago
Most Expensive
Brilliant Earth
20223690A · Oct 29
$5,330 USD
View
Price under review
25 more retailers have this diamond
Prices start from $650 USDSave up to $2,542 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
1.51ct Oval
$650 USD