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Oval|Lab Grown|IGI

3.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG754507836

Certificate IGI LG754507836

Diamond specifications and retailer prices

From $1,678 USD
Save $9,933 USD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $11,611 USD at Blue Nile
View at Blue Nile

About this 3.55ct lab-grown oval diamond

This 3.55ct 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 LG754507836 or 754507836. Listed at 28 retailers, with prices from $1,678 to $11,611 at Blue Nile, a $9,933 spread on the same certified stone. 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

3.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507836
Dimensions12.64 × 8.57 × 5.23 mm
L/W Ratio1.47
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
12.64 mm8.57 mm3.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507836
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $11,611 USD|Low: $1,512 USD|High: $12,353 USD|Avg: $4,751 USD|-6.0%
Blue Nile
Retailer 2
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Retailer 28
October 1, 2026
Retailer 28$1,678 USD
Retailer 8$1,826 USD
Retailer 18$1,920 USD
Retailer 22$2,015 USD
Retailer 9$2,162 USD
Retailer 5$2,173 USD
Retailer 15$2,606 USD
Retailer 13$2,688 USD
Retailer 14$3,003 USD
Retailer 23$3,004 USD
Retailer 12$3,347 USD
Retailer 24$3,443 USD
Retailer 4$4,028 USD
Retailer 21$4,159 USD
Retailer 11$4,450 USD
Retailer 27$4,858 USD
Retailer 25$4,900 USD
Retailer 6$5,623 USD
Retailer 3$5,655 USD
Retailer 19$5,669 USD
Retailer 16$5,844 USD
Retailer 26$6,212 USD
Retailer 10$7,530 USD
Retailer 17$7,788 USD
Retailer 2$9,245 USD
Retailer 20$10,780 USD
Retailer 7$11,550 USD
Blue Nile$11,611 USD

39 data points across 28 retailers

28 retailers$1,678 USD to $11,611 USD

A
Cheapest Retailer
-
$1,678 USD
A
Retailer 2
-
$1,826 USD
View
A
Retailer 3
-
$1,920 USD
View
A
Retailer 4
-
$2,015 USD
View
A
Retailer 5
-
$2,162 USD
View
A
Retailer 6
-
$2,173 USD
View
A
Retailer 7
-
$2,606 USD
View
A
Retailer 8
-
$2,688 USD
HK$21,000 HKD
View
A
Retailer 9
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$3,003 USD
View
A
Retailer 10
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$3,004 USD
£2,365 GBP
View
A
Retailer 11
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$3,347 USD
€3,188 EUR
View
A
Retailer 12
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$3,443 USD
View
A
Retailer 13
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$4,028 USD
View
B+
Retailer 14
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$4,159 USD
A$6,398 AUD
View
B+
Retailer 15
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$4,450 USD
£3,504 GBP
View
B+
Retailer 16
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$4,858 USD
A$7,474 AUD
View
B+
Retailer 17
-
$4,900 USD
ZAR 79,157 ZAR
View
B+
Retailer 18
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$5,623 USD
View
B+
Retailer 19
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$5,655 USD
View
B+
Retailer 20
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$5,669 USD
View
B+
Retailer 21
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$5,844 USD
View
B+
Retailer 22
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$6,212 USD
£4,891 GBP
View
B+
Retailer 23
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$7,530 USD
View
B+
Retailer 24
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$7,788 USD
SGD 10,524 SGD
View
B
Retailer 25
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$9,245 USD
A$14,223 AUD
View
B
Retailer 26
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$10,780 USD
View
B
Retailer 27
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$11,550 USD
View
Most Expensive
B
Blue Nile
28929932 · Sep 29
$11,611 USD
View
27 more retailers have this diamond
Prices start from $1,678 USDSave up to $9,933 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
3.55ct Oval
$1,678 USD