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Oval|Lab Grown|IGI

3.80ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG674520670

Certificate IGI LG674520670

Diamond specifications and retailer prices

From $2,377 USD
Save $8,473 USD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,850 USD at Brilliant Earth
View at Brilliant Earth

About this 3.8ct lab-grown oval diamond

This 3.8ct 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 LG674520670 or 674520670. Listed at 24 retailers, with prices from $2,377 to $10,850 at Brilliant Earth, a $8,473 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

3.80
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674520670
Dimensions12.75 × 8.91 × 5.37 mm
L/W Ratio1.43
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
12.75 mm8.91 mm3.80 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674520670
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.3%

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: Oct 1
Current: $10,850 USD|Low: $1,697 USD|High: $19,270 USD|Avg: $5,618 USD|-43.7%
Brilliant Earth
Retailer 2
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Retailer 22
October 1, 2026
Retailer 4$2,377 USD
Retailer 22$2,612 USD
Retailer 7$2,630 USD
Retailer 5$2,842 USD
Retailer 16$3,447 USD
Retailer 20$3,815 USD
Retailer 13$3,851 USD
Retailer 11$4,045 USD
Retailer 9$4,522 USD
Retailer 6$4,679 USD
Retailer 8$4,815 USD
Retailer 19$5,569 USD
Retailer 17$5,616 USD
Retailer 18$6,764 USD
Retailer 3$7,108 USD
Retailer 12$7,332 USD
Retailer 15$8,166 USD
Retailer 21$8,235 USD
Retailer 14$8,614 USD
Retailer 10$8,842 USD
Retailer 2$10,832 USD
Brilliant Earth$10,850 USD

37 data points across 22 retailers

24 retailers$2,377 USD to $10,850 USD

A
Cheapest Retailer
-
$2,377 USD
A
Retailer 2
-
$2,612 USD
View
A
Retailer 3
-
$2,630 USD
View
A
Retailer 4
-
$2,842 USD
HK$22,200 HKD
View
A
Retailer 5
-
$3,425 USD
£2,697 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
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$3,455 USD
£2,720 GBP
View
A
Retailer 7
-
$3,815 USD
€3,633 EUR
View
A
Retailer 8
-
$3,851 USD
View
A
Retailer 9
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$4,045 USD
View
B+
Retailer 10
-
$4,522 USD
View
B+
Retailer 11
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$4,679 USD
£3,684 GBP
View
B+
Retailer 12
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$4,815 USD
A$7,408 AUD
View
B+
Retailer 13
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$5,569 USD
A$8,568 AUD
View
B+
Retailer 14
-
$5,616 USD
ZAR 90,733 ZAR
View
B+
Retailer 15
-
$6,764 USD
£5,326 GBP
View
B+
Retailer 16
-
$6,813 USD
View
B+
Retailer 17
-
$7,108 USD
View
B+
Retailer 18
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$7,332 USD
View
B
Retailer 19
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$8,166 USD
£6,430 GBP
View
B
Retailer 20
-
$8,235 USD
SGD 11,129 SGD
View
B
Retailer 21
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$8,614 USD
View
B
Retailer 22
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$9,022 USD
View
B
Retailer 23
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$10,832 USD
A$16,665 AUD
View
Most Expensive
B
Brilliant Earth
14267582A · Oct 1
$10,850 USD
View
23 more retailers have this diamond
Prices start from $2,377 USDSave up to $8,473 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
3.80ct Oval
$2,377 USD