Radiant|Lab Grown|IGI

5.99ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG826673856

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

Certificate IGI LG826673856

Diamond specifications and retailer prices

From €1,033 EUR
£909 GBP
As of October 27, 2026
Save €2,489 EUR (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,522 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.99ct lab-grown radiant diamond

This 5.99ct lab-grown radiant sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826673856 or 826673856. Listed at 18 retailers as of October 27, 2026, with prices from €1,033 to €3,522, a €2,489 spread on the same certified stone. Rare Carat lists it at €3,522. 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

5.99
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826673856
Dimensions12.97 × 8.67 × 5.79 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.97 mm8.67 mm5.99 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826673856
Side View
Table 66.0%Crown 47.6°Girdle: MED-STKPavilion 32.1°Culet: NoneDepth 66.8%

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 27
Current: €3,522 EUR|Low: €889 EUR|High: €5,908 EUR|Avg: €2,375 EUR|-1.0%
Rare Carat
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 3€889 EUR
Retailer 9€1,033 EUR
Retailer 5€1,066 EUR
Retailer 15€1,079 EUR
Retailer 12€1,395 EUR
Retailer 14€1,480 EUR
Retailer 10€1,853 EUR
Retailer 13€1,867 EUR
Retailer 6€2,537 EUR
Retailer 2€2,770 EUR
Retailer 4€3,092 EUR
Retailer 8€3,124 EUR
Retailer 7€3,197 EUR
Retailer 11€3,471 EUR
Rare Carat€3,522 EUR

35 data points across 15 retailers

18 retailers€1,033 EUR to €3,522 EUR

Retailer 1
-
€794 EUR
$887 USD
Price last confirmed 15 days ago
Retailer 2
-
€864 EUR
$965 USD
View
Price last confirmed 18 days ago
Retailer 3
-
€921 EUR
$1,029 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
€1,033 EUR
£909 GBP
View
A
Retailer 5
-
€1,066 EUR
HK$9,300 HKD
View
A
Retailer 6
-
€1,079 EUR
$1,205 USD
View
Retailer 7
-
€1,395 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,480 EUR
$1,653 USD
View
B+
Retailer 9
-
€1,853 EUR
ZAR 33,453 ZAR
View
B+
Retailer 10
-
€1,867 EUR
$2,086 USD
View
Retailer 11
-
€2,537 EUR
£2,232 GBP
View
Price last confirmed 16 days ago
Retailer 12
-
€2,589 EUR
$2,893 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
€2,770 EUR
$3,095 USD
View
B
Retailer 14
-
€3,092 EUR
SGD 4,668 SGD
View
B
Retailer 15
-
€3,124 EUR
$3,490 USD
View
B
Retailer 16
-
€3,197 EUR
$3,572 USD
View
Retailer 17
-
€3,471 EUR
£3,053 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Rare Carat
163784-BB · Oct 28
€3,522 EUR
$3,935 USD
View
17 more retailers have this diamond
Prices start from €1,033 EURSave up to €2,489 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
5.99ct Radiant
€1,033 EUR