Oval|Lab Grown|IGI

6.43ct G IF Oval Lab Grown Diamond

ID • G/IF • IGI LG626461546

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG626461546

Diamond specifications and retailer prices

From $11,128 USD
As of November 1, 2026
Save $26,959 USD (71%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $47,479 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 6.43ct lab-grown oval diamond

This 6.43ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG626461546 or 626461546. Listed at 25 retailers as of October 31, 2026, with a 242% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.43
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626461546
Dimensions15.03 × 10.62 × 6.56 mm
L/W Ratio1.42
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
15.03 mm10.62 mm6.43 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626461546
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $47,479 USD|Low: $11,128 USD|High: $53,086 USD|Avg: $21,505 USD|-10.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 5$11,128 USD
Retailer 3$11,745 USD
Retailer 14$11,935 USD
Retailer 8$12,416 USD
Retailer 16$12,585 USD
Retailer 15$13,740 USD
Retailer 17$15,030 USD
Retailer 10$15,186 USD
Retailer 12$17,010 USD
Retailer 9$18,273 USD
Retailer 2$20,028 USD
Retailer 11$21,509 USD
Retailer 4$23,322 USD
Retailer 13$24,673 USD
Retailer 7$35,365 USD
Retailer 6$38,087 USD
Michael Trio$47,479 USD

41 data points across 17 retailers

25 retailers$11,128 USD to $38,087 USD

A
Cheapest Retailer
-
$11,128 USD
B+
Retailer 2
-
$11,745 USD
View
A
Retailer 3
-
$11,935 USD
View
Retailer 4
-
$11,950 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$12,291 USD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
$12,416 USD
View
B+
Retailer 7
-
$12,585 USD
View
Retailer 8
-
$12,751 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
$12,751 USD
View
Retailer 10
-
$12,751 USD
View
Price last confirmed 22 days ago
Retailer 11
-
$12,783 USD
View
Price last confirmed 36 days ago
Retailer 12
-
$13,362 USD
View
Price last confirmed 32 days ago
B+
Retailer 13
-
$13,740 USD
View
Retailer 14
-
$14,061 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
$15,030 USD
View
Final sale: no returns
B+
Retailer 16
-
$15,186 USD
£11,958 GBP
View
B+
Retailer 17
-
$17,010 USD
View
B
Retailer 18
-
$18,273 USD
£14,388 GBP
View
B+
Retailer 19
-
$20,028 USD
£15,770 GBP
View
B+
Retailer 20
-
$21,509 USD
€20,485 EUR
View
B
Retailer 21
-
$23,322 USD
View
B
Retailer 22
-
$24,673 USD
ZAR 398,598 ZAR
View
B
Retailer 23
-
$35,365 USD
View
B
Retailer 24
-
$38,087 USD
View
Most Expensive
Michael Trio
4082073140 · Oct 31
$47,479 USD
SGD 64,161 SGD
View
Price under review
24 more retailers have this diamond
Prices start from $11,128 USDSave up to $26,959 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.43ct Oval
$11,128 USD