Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG793643349

Certificate IGI LG793643349

Diamond specifications and retailer prices

From $3,346 USD
Save $12,699 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,045 USD at Novita Diamonds
View at Novita 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 LG793643349 or 793643349. Listed at 11 retailers, with prices from $3,346 to $16,045 at Novita Diamonds, a $12,699 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793643349
Dimensions12.98 × 9.21 × 5.73 mm
L/W Ratio1.41
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 mm9.21 mm4.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793643349
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.2%

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 30
Current: $16,045 USD|Low: $3,208 USD|High: $16,095 USD|Avg: $7,480 USD|-0.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 7$3,346 USD
Retailer 10$3,827 USD
Retailer 4$4,565 USD
Retailer 6$5,136 USD
Retailer 2$5,142 USD
Retailer 8$5,645 USD
Retailer 3$7,013 USD
Retailer 5$8,479 USD
Retailer 11$11,517 USD
Retailer 9$11,905 USD
Novita Diamonds$16,045 USD

35 data points across 11 retailers

11 retailers$3,346 USD to $16,045 USD

A
Cheapest Retailer
-
$3,346 USD
A
Retailer 2
-
$3,827 USD
HK$29,900 HKD
View
A
Retailer 3
-
$4,571 USD
£3,599 GBP
View
A
Retailer 4
-
$5,136 USD
€4,891 EUR
View
A
Retailer 5
-
$5,142 USD
View
A
Retailer 6
-
$5,645 USD
View
B+
Retailer 7
-
$7,013 USD
View
Price last confirmed 66 days ago
B+
Retailer 8
-
$8,479 USD
£6,676 GBP
View
B
Retailer 9
-
$11,517 USD
View
B
Retailer 10
-
$12,148 USD
View
Most Expensive
B
Novita Diamonds
cert_793643349 · Oct 1
$16,045 USD
A$24,684 AUD
View
10 more retailers have this diamond
Prices start from $3,346 USDSave up to $12,699 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
$3,346 USD