Oval|Lab Grown|IGI

0.51ct E IF Oval Lab Grown Diamond

VG • E/IF • IGI LG778617177

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778617177

Diamond specifications and retailer prices

From $201 USD
As of October 29, 2026
Save $1,529 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,730 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG778617177 or 778617177. Listed at 21 retailers as of October 29, 2026, with prices from $201 to $1,730, a $1,529 spread on the same certified stone. Do Amore Diamonds lists it at $1,730. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778617177
Dimensions6.73 × 4.49 × 2.75 mm
L/W Ratio1.50
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
6.73 mm4.49 mm0.51 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778617177
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: $1,730 USD|Low: $202 USD|High: $1,730 USD|Avg: $671 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
October 29, 2026
Retailer 7$202 USD
Retailer 18$224 USD
Retailer 4$233 USD
Retailer 8$250 USD
Retailer 12$268 USD
Retailer 11$306 USD
Retailer 13$380 USD
Retailer 16$497 USD
Retailer 5$501 USD
Retailer 20$540 USD
Retailer 14$572 USD
Retailer 9$590 USD
Retailer 3$698 USD
Retailer 17$699 USD
Retailer 6$889 USD
Retailer 19$1,054 USD
Retailer 10$1,082 USD
Retailer 2$1,106 USD
Retailer 15$1,196 USD
Do Amore Diamonds$1,730 USD

31 data points across 20 retailers

21 retailers$201 USD to $1,730 USD

A
Cheapest Retailer
-
$201 USD
Retailer 2
-
$202 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$224 USD
View
Final sale: no returns
Retailer 4
-
$233 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$233 USD
View
Retailer 6
-
$250 USD
View
Price last confirmed 11 days ago
A
Retailer 7
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$268 USD
View
A
Retailer 8
-
$306 USD
View
B+
Retailer 9
-
$380 USD
View
B+
Retailer 10
-
$497 USD
ZAR 8,021 ZAR
View
B+
Retailer 11
-
$540 USD
View
B+
Retailer 12
-
$572 USD
A$880 AUD
View
B
Retailer 13
-
$590 USD
View
B
Retailer 14
-
$698 USD
CA$969 CAD
View
B
Retailer 15
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$699 USD
A$1,076 AUD
View
Retailer 16
-
$889 USD
View
Price last confirmed 12 days ago
B
Retailer 17
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$1,054 USD
View
Retailer 18
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$1,082 USD
£852 GBP
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,106 USD
£871 GBP
View
B
Retailer 20
-
$1,196 USD
View
Most Expensive
B
Do Amore Diamonds
32-LG778617177 · Oct 29
$1,730 USD
View
20 more retailers have this diamond
Prices start from $201 USDSave up to $1,529 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
0.51ct Oval
$201 USD