Radiant|Lab Grown|IGI

6.05ct H IF Radiant Lab Grown Diamond

EX • H/IF • IGI LG621414508

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG621414508

Diamond specifications and retailer prices

From $5,142 USD
As of November 2, 2026
Save $17,709 USD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $34,770 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 6.05ct lab-grown radiant diamond

This 6.05ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621414508 or 621414508. Listed at 24 retailers as of October 31, 2026, with a 344% 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

6.05
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621414508
Dimensions13.27 × 9.20 × 6.05 mm
L/W Ratio1.44
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 Faint Blue
Top View
13.27 mm9.20 mm6.05 ctH / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621414508
Side View
Table 62.0%Crown 41.8°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.8%

Caratlytics Score

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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 2
Current: $34,770 USD|Low: $5,142 USD|High: $34,770 USD|Avg: $10,630 USD
Do Amore Diamonds
Retailer 2
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Retailer 23
November 2, 2026
Retailer 3$5,142 USD
Retailer 22$5,471 USD
Retailer 11$5,579 USD
Retailer 7$5,660 USD
Retailer 16$5,847 USD
Retailer 5$5,863 USD
Retailer 6$5,885 USD
Retailer 12$6,472 USD
Retailer 2$6,583 USD
Retailer 23$7,352 USD
Retailer 8$7,683 USD
Retailer 4$7,834 USD
Retailer 18$8,746 USD
Retailer 14$9,190 USD
Retailer 20$11,440 USD
Retailer 19$12,147 USD
Retailer 17$12,340 USD
Retailer 21$12,522 USD
Retailer 13$13,169 USD
Retailer 9$16,138 USD
Retailer 10$22,666 USD
Retailer 15$22,851 USD
Do Amore Diamonds$34,770 USD

35 data points across 23 retailers

24 retailers$5,142 USD to $22,851 USD

A
Cheapest Retailer
-
$5,142 USD
A
Retailer 2
-
$5,471 USD
View
Retailer 3
-
$5,579 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$5,660 USD
View
Final sale: no returns
Retailer 5
-
$5,847 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$5,863 USD
View
A
Retailer 7
-
$5,885 USD
View
Retailer 8
-
$6,472 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$6,583 USD
£5,184 GBP
View
A
Retailer 10
-
$7,352 USD
View
A
Retailer 11
-
$7,683 USD
View
B+
Retailer 12
-
$7,834 USD
HK$61,200 HKD
View
B+
Retailer 13
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$8,746 USD
View
B+
Retailer 14
-
$9,190 USD
£7,236 GBP
View
B+
Retailer 15
-
$11,440 USD
View
B+
Retailer 16
-
$12,147 USD
€11,569 EUR
View
B+
Retailer 17
-
$12,340 USD
A$18,985 AUD
View
B+
Retailer 18
-
$12,522 USD
ZAR 202,294 ZAR
View
B+
Retailer 19
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$13,169 USD
£10,369 GBP
View
Retailer 20
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$13,620 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
$16,138 USD
View
B+
Retailer 22
-
$22,666 USD
SGD 30,630 SGD
View
B+
Retailer 23
-
$22,851 USD
View
Most Expensive
Do Amore Diamonds
27-796FE0C0A · Nov 2
$34,770 USD
View
Price under review
23 more retailers have this diamond
Prices start from $5,142 USDSave up to $17,709 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
6.05ct Radiant
$5,142 USD