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Oval|Lab Grown|IGI

3.50ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG803655317

Certificate IGI LG803655317

Diamond specifications and retailer prices

From $1,958 USD
Save $15,872 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $17,830 USD at Brilliant Earth
View at Brilliant Earth

About this 3.5ct lab-grown oval diamond

This 3.5ct 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 LG803655317 or 803655317. Listed at 25 retailers, with prices from $1,958 to $17,830 at Brilliant Earth, a $15,872 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

3.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803655317
Dimensions11.98 × 8.58 × 5.38 mm
L/W Ratio1.40
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
11.98 mm8.58 mm3.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803655317
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

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 29
Current: $17,830 USD|Low: $1,558 USD|High: $17,830 USD|Avg: $5,075 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 14$1,558 USD
Retailer 4$2,192 USD
Retailer 18$2,272 USD
Retailer 13$2,330 USD
Retailer 21$2,426 USD
Retailer 10$2,624 USD
Retailer 15$3,177 USD
Retailer 6$3,430 USD
Retailer 8$3,821 USD
Retailer 9$3,892 USD
Retailer 19$3,898 USD
Retailer 5$4,313 USD
Retailer 17$5,135 USD
Retailer 16$5,179 USD
Retailer 3$6,354 USD
Retailer 2$6,566 USD
Retailer 11$6,804 USD
Retailer 7$7,417 USD
Retailer 20$7,584 USD
Retailer 12$7,952 USD
Brilliant Earth$17,830 USD

37 data points across 21 retailers

25 retailers$1,958 USD to $17,830 USD

A
Cheapest Retailer
-
$1,958 USD
A
Retailer 2
-
$2,131 USD
View
A
Retailer 3
-
$2,192 USD
View
A
Retailer 4
-
$2,240 USD
View
A
Retailer 5
-
$2,272 USD
View
A
Retailer 6
-
$2,330 USD
View
A
Retailer 7
-
$2,426 USD
View
A
Retailer 8
-
$2,624 USD
HK$20,500 HKD
View
A
Retailer 9
-
$3,122 USD
View
A
Retailer 10
-
$3,184 USD
£2,507 GBP
View
A
Retailer 11
-
$3,430 USD
View
B+
Retailer 12
-
$3,821 USD
View
B+
Retailer 13
-
$3,892 USD
View
B+
Retailer 14
-
$3,898 USD
€3,712 EUR
View
B+
Retailer 15
-
$4,313 USD
£3,396 GBP
View
B+
Retailer 16
-
$5,135 USD
A$7,900 AUD
View
B+
Retailer 17
-
$5,179 USD
ZAR 83,665 ZAR
View
B
Retailer 18
-
$6,354 USD
View
B
Retailer 19
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$6,566 USD
£5,170 GBP
View
B
Retailer 20
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$6,614 USD
View
B
Retailer 21
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$6,804 USD
View
B
Retailer 22
-
$7,417 USD
£5,840 GBP
View
B
Retailer 23
-
$7,584 USD
SGD 10,249 SGD
View
B
Retailer 24
-
$7,952 USD
View
Most Expensive
B
Brilliant Earth
19897884A · Oct 1
$17,830 USD
View
24 more retailers have this diamond
Prices start from $1,958 USDSave up to $15,872 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
3.50ct Oval
$1,958 USD