Radiant|Lab Grown|IGI

6.88ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG803641645

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

Certificate IGI LG803641645

Diamond specifications and retailer prices

From $947 USD
As of October 30, 2026
Save $345 USD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,305 USD at Helzberg Diamonds · As of October 7, 2026
View at Helzberg Diamonds

About this 6.88ct lab-grown radiant diamond

This 6.88ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803641645 or 803641645. Listed at 4 retailers as of October 30, 2026, with a 36% 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

6.88
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803641645
Dimensions12.84 × 9.47 × 6.40 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.84 mm9.47 mm6.88 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803641645
Side View
Table 67.0%Crown 47.1°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 67.6%

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: $9,305 USD|Low: $947 USD|High: $9,305 USD|Avg: $3,922 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$947 USD
Retailer 3$1,292 USD
Retailer 4$1,472 USD
Retailer 8$1,657 USD
Retailer 9$3,233 USD
Retailer 6$4,371 USD
Retailer 7$5,764 USD
Retailer 5$6,670 USD
Helzberg Diamonds$9,305 USD

20 data points across 9 retailers

4 retailers$947 USD to $1,292 USD

A
Cheapest Retailer
-
$947 USD
Final sale: no returns
B+
Retailer 2
-
$1,292 USD
View
Retailer 3
-
$6,670 USD
View
Price last confirmed 22 days ago
Most Expensive
Helzberg Diamonds
ZXZOGJMKHMKL · Oct 7
$9,305 USD
View
Price last confirmed 24 days ago
3 more retailers have this diamond
Prices start from $947 USDSave up to $345 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
6.88ct Radiant
$947 USD