CaratHunter
Plans
Round|Lab Grown|IGI

6.60ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG644485597

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644485597

Diamond specifications and retailer prices

From $935 USD
As of October 29, 2026
Save $5,545 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,480 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.6ct lab-grown round diamond

This 6.6ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644485597 or 644485597. Listed at 22 retailers as of October 29, 2026, with prices from $935 to $6,480, a $5,545 spread on the same certified stone. Brilliant Earth lists it at $6,480. 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

6.60
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644485597
Dimensions12.06 × 12.10 × 7.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.06 mm12.10 mm6.60 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644485597
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 41.1°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: $6,480 USD|Low: $935 USD|High: $6,480 USD|Avg: $2,429 USD
Brilliant Earth
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 8$935 USD
Retailer 19$1,017 USD
Retailer 6$1,047 USD
Retailer 3$1,084 USD
Retailer 5$1,084 USD
Retailer 16$1,260 USD
Retailer 4$1,426 USD
Retailer 9$1,572 USD
Retailer 17$1,651 USD
Retailer 11$1,737 USD
Retailer 2$1,788 USD
Retailer 13$2,009 USD
Retailer 18$2,098 USD
Retailer 20$2,412 USD
Retailer 10$2,826 USD
Retailer 7$3,048 USD
Retailer 12$3,373 USD
Retailer 14$3,392 USD
Retailer 21$3,696 USD
Retailer 15$3,771 USD
Retailer 22$5,215 USD
Brilliant Earth$6,480 USD

36 data points across 22 retailers

22 retailers$935 USD to $6,480 USD

A
Cheapest Retailer
-
$935 USD
A
Retailer 2
-
$1,017 USD
View
A
Retailer 3
-
$1,047 USD
View
Final sale: no returns
A
Retailer 4
-
$1,084 USD
View
Retailer 5
-
$1,084 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,260 USD
View
Retailer 7
-
$1,426 USD
£1,123 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
$1,572 USD
View
A
Retailer 9
-
$1,651 USD
£1,300 GBP
View
B+
Retailer 10
-
$1,737 USD
View
A
Retailer 11
-
$1,788 USD
€1,703 EUR
View
B+
Retailer 12
-
$2,009 USD
A$3,090 AUD
View
B+
Retailer 13
-
$2,098 USD
ZAR 33,887 ZAR
View
B+
Retailer 14
-
$2,412 USD
View
B+
Retailer 15
-
$2,826 USD
View
B+
Retailer 16
-
$3,048 USD
View
Retailer 17
-
$3,373 USD
View
Price last confirmed 20 days ago
B
Retailer 18
-
$3,392 USD
View
B
Retailer 19
-
$3,696 USD
£2,910 GBP
View
B
Retailer 20
-
$3,771 USD
View
Retailer 21
-
$5,215 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
11113182A · Oct 29
$6,480 USD
View
21 more retailers have this diamond
Prices start from $935 USDSave up to $5,545 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
6.60ct Round
$935 USD