Round|Lab Grown|IGI

6.30ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG618434503

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618434503

Diamond specifications and retailer prices

From €7,985 EUR
$8,921 USD
As of October 29, 2026
Save €13,589 EUR (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €49,830 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 6.3ct lab-grown round diamond

This 6.3ct lab-grown round 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 LG618434503 or 618434503. Listed at 15 retailers as of October 29, 2026, with a 170% 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

6.30
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618434503
Dimensions11.83 × 11.92 × 7.27 mm
L/W Ratio1.01
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
11.83 mm11.92 mm6.30 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618434503
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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 29
Current: €49,830 EUR|Low: €6,623 EUR|High: €50,877 EUR|Avg: €15,037 EUR|-2.1%
Do Amore Diamonds
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
October 31, 2026
Retailer 13€7,985 EUR
Retailer 14€8,081 EUR
Retailer 4€8,305 EUR
Retailer 7€9,132 EUR
Retailer 3€9,583 EUR
Retailer 10€9,657 EUR
Retailer 11€9,658 EUR
Retailer 6€9,748 EUR
Retailer 15€10,140 EUR
Retailer 12€10,714 EUR
Retailer 8€15,494 EUR
Retailer 9€16,514 EUR
Retailer 2€17,506 EUR
Retailer 5€21,574 EUR
Do Amore Diamonds€49,830 EUR

34 data points across 15 retailers

15 retailers€7,985 EUR to €21,574 EUR

A
Cheapest Retailer
-
€7,985 EUR
$8,921 USD
A
Retailer 2
-
€8,081 EUR
$9,028 USD
View
A
Retailer 3
-
€8,305 EUR
$9,278 USD
View
B+
Retailer 4
-
€8,691 EUR
$9,710 USD
View
B+
Retailer 5
-
€9,132 EUR
$10,202 USD
View
Final sale: no returns
B+
Retailer 6
-
€9,583 EUR
$10,706 USD
View
B+
Retailer 7
-
€9,658 EUR
$10,790 USD
View
Retailer 8
-
€9,748 EUR
$10,890 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
€10,140 EUR
$11,329 USD
View
B+
Retailer 10
-
€10,714 EUR
$11,970 USD
View
B+
Retailer 11
-
€15,494 EUR
$17,310 USD
View
B+
Retailer 12
-
€16,514 EUR
£14,527 GBP
View
B
Retailer 13
-
€17,506 EUR
View
B
Retailer 14
-
€21,574 EUR
$24,103 USD
View
Most Expensive
Do Amore Diamonds
27-29B5A0E67 · Oct 30
€49,830 EUR
$55,670 USD
View
Price under review
14 more retailers have this diamond
Prices start from €7,985 EURSave up to €13,589 EUR

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
6.30ct Round
€7,985 EUR