Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG770633964

Certificate IGI LG770633964

Diamond specifications and retailer prices

From $3,028 USD
Save $16,995 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $20,023 USD at Yadav Diamonds
View at Yadav Diamonds

About this 4.21ct lab-grown oval diamond

This 4.21ct 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 LG770633964 or 770633964. Listed at 20 retailers, with prices from $3,028 to $20,023 at Yadav Diamonds, a $16,995 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

4.21
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770633964
Dimensions12.98 × 9.09 × 5.69 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
12.98 mm9.09 mm4.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770633964
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

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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: $9,340 USD|Low: $2,441 USD|High: $20,023 USD|Avg: $7,287 USD|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Yadav Diamonds
September 29, 2026
Retailer 7$3,028 USD
Retailer 8$3,300 USD
Retailer 11$3,667 USD
Retailer 2$4,303 USD
Retailer 21$4,390 USD
Retailer 12$4,779 USD
Retailer 3$4,808 USD
Retailer 19$5,117 USD
Retailer 9$5,974 USD
Retailer 15$7,238 USD
Retailer 16$7,427 USD
Retailer 6$8,649 USD
Retailer 17$8,884 USD
Retailer 1$9,340 USD
Retailer 13$9,512 USD
Retailer 14$10,326 USD
Retailer 10$12,057 USD
Retailer 4$15,858 USD
Retailer 18$16,440 USD
Retailer 20$16,440 USD
Retailer 5$18,610 USD
Yadav Diamonds$20,023 USD

27 data points across 22 retailers

20 retailers$3,028 USD to $20,023 USD

A
Cheapest Retailer
-
$3,028 USD
A
Retailer 2
-
$3,300 USD
View
A
Retailer 3
-
$3,667 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$4,303 USD
View
A
Retailer 5
-
$4,390 USD
View
A
Retailer 6
-
$4,790 USD
£3,771 GBP
View
A
Retailer 7
-
$4,808 USD
View
A
Retailer 8
-
$5,117 USD
€4,873 EUR
View
A
Retailer 9
-
$5,974 USD
£4,704 GBP
View
B+
Retailer 10
-
$7,238 USD
ZAR 116,927 ZAR
View
B+
Retailer 11
-
$7,427 USD
A$11,426 AUD
View
B+
Retailer 12
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$8,649 USD
View
B+
Retailer 13
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$8,884 USD
£6,995 GBP
View
B+
Retailer 14
-
$9,340 USD
View
B+
Retailer 15
-
$12,057 USD
View
B
Retailer 16
-
$15,858 USD
View
B
Retailer 17
-
$16,440 USD
View
B
Retailer 18
-
$16,440 USD
View
B
Retailer 19
-
$18,610 USD
View
Most Expensive
B
Yadav Diamonds
13275880 · Sep 30
$20,023 USD
View
19 more retailers have this diamond
Prices start from $3,028 USDSave up to $16,995 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
4.21ct Oval
$3,028 USD