Oval|Lab Grown|IGI

3.89ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG700587305

Certificate IGI LG700587305

Diamond specifications and retailer prices

From $2,392 USD
Save $17,288 USD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $19,680 USD at Brilliant Earth
View at Brilliant Earth

About this 3.89ct lab-grown oval diamond

This 3.89ct 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 LG700587305 or 700587305. Listed at 25 retailers, with prices from $2,392 to $19,680 at Brilliant Earth, a $17,288 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

3.89
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700587305
Dimensions12.49 × 8.99 × 5.60 mm
L/W Ratio1.39
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
12.49 mm8.99 mm3.89 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700587305
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.3%

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: Sep 29
Current: $19,680 USD|Low: $1,912 USD|High: $19,680 USD|Avg: $6,553 USD
Brilliant Earth
Retailer 2
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Retailer 20
October 1, 2026
Retailer 4$2,678 USD
Retailer 18$2,775 USD
Retailer 5$2,940 USD
Retailer 20$2,974 USD
Retailer 7$3,677 USD
Retailer 2$3,679 USD
Retailer 12$3,899 USD
Retailer 14$4,229 USD
Retailer 13$4,328 USD
Retailer 10$4,350 USD
Retailer 9$4,503 USD
Retailer 6$5,806 USD
Retailer 16$6,924 USD
Retailer 15$6,984 USD
Retailer 3$7,724 USD
Retailer 17$8,301 USD
Retailer 19$10,475 USD
Retailer 11$10,682 USD
Retailer 8$16,460 USD
Brilliant Earth$19,680 USD

38 data points across 20 retailers

25 retailers$2,392 USD to $19,680 USD

A
Cheapest Retailer
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$2,392 USD
A
Retailer 2
-
$2,603 USD
View
A
Retailer 3
-
$2,678 USD
View
A
Retailer 4
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$2,737 USD
View
A
Retailer 5
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$2,775 USD
View
A
Retailer 6
-
$2,940 USD
View
A
Retailer 7
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$2,974 USD
View
A
Retailer 8
-
$3,677 USD
View
A
Retailer 9
-
$3,679 USD
£2,897 GBP
View
A
Retailer 10
-
$4,210 USD
View
A
Retailer 11
-
$4,234 USD
£3,334 GBP
View
B+
Retailer 12
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$4,328 USD
View
B+
Retailer 13
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$4,350 USD
View
B+
Retailer 14
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$4,503 USD
€4,289 EUR
View
Price last confirmed 47 days ago
B+
Retailer 15
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$5,806 USD
£4,572 GBP
View
B+
Retailer 16
-
$6,924 USD
A$10,653 AUD
View
B+
Retailer 17
-
$6,984 USD
ZAR 112,823 ZAR
View
B
Retailer 18
-
$7,724 USD
View
B
Retailer 19
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$8,006 USD
View
B
Retailer 20
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$8,301 USD
£6,536 GBP
View
B
Retailer 21
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$10,475 USD
SGD 14,155 SGD
View
B
Retailer 22
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$10,682 USD
View
B
Retailer 23
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$16,460 USD
View
B
Retailer 24
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$18,030 USD
View
Most Expensive
B
Brilliant Earth
21068768Y · Oct 1
$19,680 USD
View
24 more retailers have this diamond
Prices start from $2,392 USDSave up to $17,288 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
3.89ct Oval
$2,392 USD