CaratHunter
Plans
Heart|Lab Grown|IGI

6.58ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG651406131

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG651406131

Diamond specifications and retailer prices

From $17,323 USD
As of October 30, 2026
Save $39,719 USD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $57,042 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 6.58ct lab-grown heart diamond

This 6.58ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG651406131 or 651406131. Listed at 19 retailers as of October 30, 2026, with prices from $17,323 to $57,042, a $39,719 spread on the same certified stone. Reve Diamonds lists it at $57,042. 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

6.58
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651406131
Dimensions11.27 × 13.02 × 7.47 mm
L/W Ratio1.16
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
11.27 mm13.02 mm6.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651406131
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 57.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $39,585 USD|Low: $16,798 USD|High: $72,199 USD|Avg: $32,598 USD|-16.5%
Retailer 1
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
Retailer 18
Reve Diamonds
October 29, 2026
Retailer 6$17,323 USD
Retailer 15$17,635 USD
Retailer 3$18,058 USD
Retailer 2$19,171 USD
Retailer 7$19,750 USD
Retailer 14$20,154 USD
Retailer 18$20,229 USD
Retailer 17$20,456 USD
Retailer 5$23,178 USD
Retailer 8$26,580 USD
Retailer 11$31,570 USD
Retailer 13$33,190 USD
Retailer 10$37,539 USD
Retailer 12$38,416 USD
Retailer 1$39,585 USD
Retailer 16$49,119 USD
Retailer 9$49,721 USD
Reve Diamonds$57,042 USD
Retailer 4$72,199 USD

23 data points across 19 retailers

19 retailers$17,323 USD to $57,042 USD

A
Cheapest Retailer
-
$17,323 USD
A
Retailer 2
-
$17,635 USD
View
A
Retailer 3
-
$18,058 USD
View
A
Retailer 4
-
$19,171 USD
View
A
Retailer 5
-
$19,750 USD
View
Final sale: no returns
A
Retailer 6
-
$20,154 USD
View
A
Retailer 7
-
$20,229 USD
View
Retailer 8
-
$20,456 USD
View
Price last confirmed 14 days ago
A
Retailer 9
-
$20,456 USD
View
B+
Retailer 10
-
$26,580 USD
View
B+
Retailer 11
-
$31,570 USD
£24,858 GBP
View
B+
Retailer 12
-
$33,190 USD
View
Retailer 13
-
$38,416 USD
A$59,101 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$39,585 USD
ZAR 639,501 ZAR
View
B
Retailer 15
-
$49,119 USD
View
B
Retailer 16
-
$49,721 USD
View
B
Retailer 17
-
$52,138 USD
View
Most Expensive
B
Reve Diamonds
35CFBEDCB · Oct 30
$57,042 USD
View
17 more retailers have this diamond
Prices start from $17,323 USDSave up to $39,719 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
6.58ct Heart
$17,323 USD